diff --git a/src/main/java/com/metaweb/gridworks/commands/recon/ReconcileCommand.java b/src/main/java/com/metaweb/gridworks/commands/recon/ReconcileCommand.java
index 2dd9904f9..a1f67cf9a 100644
--- a/src/main/java/com/metaweb/gridworks/commands/recon/ReconcileCommand.java
+++ b/src/main/java/com/metaweb/gridworks/commands/recon/ReconcileCommand.java
@@ -3,9 +3,11 @@ package com.metaweb.gridworks.commands.recon;
 import javax.servlet.http.HttpServletRequest;
 
 import org.json.JSONObject;
+import org.json.JSONTokener;
 
 import com.metaweb.gridworks.commands.EngineDependentCommand;
 import com.metaweb.gridworks.model.AbstractOperation;
+import com.metaweb.gridworks.model.recon.ReconConfig;
 import com.metaweb.gridworks.operations.ReconOperation;
 
 public class ReconcileCommand extends EngineDependentCommand {
@@ -15,11 +17,11 @@ public class ReconcileCommand extends EngineDependentCommand {
 			JSONObject engineConfig) throws Exception {
 		
 		String columnName = request.getParameter("columnName");
-		String typeID = request.getParameter("typeID");
-		String typeName = request.getParameter("typeName");
-        boolean autoMatch = "true".equals(request.getParameter("autoMatch"));
-        double minScore = autoMatch ? Double.parseDouble(request.getParameter("minScore")) : 0;
+		String configString = request.getParameter("config");
 		
-		return new ReconOperation(engineConfig, columnName, typeID, typeName, autoMatch, minScore);
+    	JSONTokener t = new JSONTokener(configString);
+    	JSONObject config = (JSONObject) t.nextValue();
+		
+		return new ReconOperation(engineConfig, columnName, ReconConfig.reconstruct(config));
 	}
 }
diff --git a/src/main/java/com/metaweb/gridworks/model/AbstractOperation.java b/src/main/java/com/metaweb/gridworks/model/AbstractOperation.java
index 8bb96262b..0dcd40b8f 100644
--- a/src/main/java/com/metaweb/gridworks/model/AbstractOperation.java
+++ b/src/main/java/com/metaweb/gridworks/model/AbstractOperation.java
@@ -18,7 +18,7 @@ abstract public class AbstractOperation implements Serializable, Jsonizable {
     private static final long serialVersionUID = 3916055862440019600L;
 
     public Process createProcess(Project project, Properties options) throws Exception {
-		return new QuickHistoryEntryProcess(project, getBriefDescription()) {
+		return new QuickHistoryEntryProcess(project, getBriefDescription(null)) {
 			@Override
 			protected HistoryEntry createHistoryEntry() throws Exception {
 				return AbstractOperation.this.createHistoryEntry(_project);
@@ -30,7 +30,7 @@ abstract public class AbstractOperation implements Serializable, Jsonizable {
 		throw new NotImplementedException();
 	}
 	
-	protected String getBriefDescription() {
+	protected String getBriefDescription(Project project) {
 		throw new NotImplementedException();
 	}
 }
diff --git a/src/main/java/com/metaweb/gridworks/model/Column.java b/src/main/java/com/metaweb/gridworks/model/Column.java
index b73e84ec6..0589a2c9e 100644
--- a/src/main/java/com/metaweb/gridworks/model/Column.java
+++ b/src/main/java/com/metaweb/gridworks/model/Column.java
@@ -9,6 +9,7 @@ import org.json.JSONException;
 import org.json.JSONWriter;
 
 import com.metaweb.gridworks.Jsonizable;
+import com.metaweb.gridworks.model.recon.ReconConfig;
 
 public class Column implements Serializable, Jsonizable {
 	private static final long serialVersionUID = -1063342490951563563L;
diff --git a/src/main/java/com/metaweb/gridworks/model/ReconConfig.java b/src/main/java/com/metaweb/gridworks/model/ReconConfig.java
deleted file mode 100644
index 426bf0d96..000000000
--- a/src/main/java/com/metaweb/gridworks/model/ReconConfig.java
+++ /dev/null
@@ -1,33 +0,0 @@
-package com.metaweb.gridworks.model;
-
-import java.io.Serializable; 
-import java.util.Properties;
-
-import org.json.JSONException;
-import org.json.JSONWriter;
-
-import com.metaweb.gridworks.Jsonizable;
-
-public class ReconConfig implements Serializable, Jsonizable {
-    private static final long serialVersionUID = -4831409797104437854L;
-
-    final public String typeID;
-    final public String typeName;
-    
-    public ReconConfig(String typeID, String typeName) {
-        this.typeID = typeID;
-        this.typeName = typeName;
-    }
-
-    public void write(JSONWriter writer, Properties options)
-            throws JSONException {
-        
-        writer.object();
-        writer.key("type"); 
-        	writer.object();
-        	writer.key("id"); writer.value(typeID);
-        	writer.key("name"); writer.value(typeName);
-        	writer.endObject();
-        writer.endObject();
-    }
-}
diff --git a/src/main/java/com/metaweb/gridworks/model/changes/ReconChange.java b/src/main/java/com/metaweb/gridworks/model/changes/ReconChange.java
index 41e4afb49..391b6e032 100644
--- a/src/main/java/com/metaweb/gridworks/model/changes/ReconChange.java
+++ b/src/main/java/com/metaweb/gridworks/model/changes/ReconChange.java
@@ -7,8 +7,8 @@ import java.util.List;
 
 import com.metaweb.gridworks.model.Column;
 import com.metaweb.gridworks.model.Project;
-import com.metaweb.gridworks.model.ReconConfig;
 import com.metaweb.gridworks.model.ReconStats;
+import com.metaweb.gridworks.model.recon.ReconConfig;
 
 public class ReconChange extends MassCellChange {
     private static final long serialVersionUID = 7048806528587330543L;
diff --git a/src/main/java/com/metaweb/gridworks/model/recon/HeuristicReconConfig.java b/src/main/java/com/metaweb/gridworks/model/recon/HeuristicReconConfig.java
new file mode 100644
index 000000000..1a053458d
--- /dev/null
+++ b/src/main/java/com/metaweb/gridworks/model/recon/HeuristicReconConfig.java
@@ -0,0 +1,399 @@
+package com.metaweb.gridworks.model.recon;
+
+import java.io.InputStream;
+import java.io.Serializable;
+import java.io.StringWriter;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Properties;
+import java.util.Set;
+
+import org.apache.commons.lang.StringUtils;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.json.JSONWriter;
+
+import com.metaweb.gridworks.model.Cell;
+import com.metaweb.gridworks.model.Project;
+import com.metaweb.gridworks.model.Recon;
+import com.metaweb.gridworks.model.ReconCandidate;
+import com.metaweb.gridworks.model.Row;
+import com.metaweb.gridworks.model.Recon.Judgment;
+import com.metaweb.gridworks.protograph.FreebaseProperty;
+import com.metaweb.gridworks.util.ParsingUtilities;
+
+public class HeuristicReconConfig extends ReconConfig {
+	private static final long serialVersionUID = 423145327938373362L;
+	
+	static public class ColumnDetail implements Serializable {
+		private static final long serialVersionUID = -8996704822460155543L;
+		
+		final public String columnName;
+		final public FreebaseProperty property;
+		
+		public ColumnDetail(String columnName, FreebaseProperty property) {
+			this.columnName = columnName;
+			this.property = property;
+		}
+	}
+	
+    static public ReconConfig reconstruct(JSONObject obj) throws Exception {
+    	List<ColumnDetail> columnDetails = null;
+    	if (obj.has("columnDetails")) {
+	    	JSONArray columnDetailsA = obj.getJSONArray("columnDetails");
+	    	int l = columnDetailsA.length();
+	    	
+	    	columnDetails = new ArrayList<ColumnDetail>(l);
+	    	for (int i = 0; i < l; i++) {
+	    		JSONObject o = columnDetailsA.getJSONObject(i);
+	    		JSONObject p = o.getJSONObject("property");
+	    		
+	    		columnDetails.add(new ColumnDetail(
+	    			o.getString("column"),
+	    			new FreebaseProperty(
+	    				p.getString("id"),
+	    				p.getString("name")
+	    			)
+	    		));
+	    	}
+    	} else {
+	    	columnDetails = new ArrayList<ColumnDetail>();
+    	}
+    	
+		JSONObject t = obj.getJSONObject("type");
+		
+    	return new HeuristicReconConfig(
+            obj.getString("service"),
+            t.getString("id"),
+            t.getString("name"),
+            obj.getBoolean("autoMatch"),
+            columnDetails
+        );
+    }
+    
+    static protected class HeuristicReconJob extends ReconJob {
+    	String text;
+    	
+    	public int getKey() {
+    		return text.hashCode();
+    	}
+    }
+	
+    final public String		service; // either "recon" or "relevance"
+	final public String 	typeID;
+    final public String 	typeName;
+    final public boolean 	autoMatch;
+    final public List<ColumnDetail> columnDetails;
+    
+    public HeuristicReconConfig(
+    	String service,
+		String typeID, 
+		String typeName,
+		boolean autoMatch,
+		List<ColumnDetail> columnDetails
+	) {
+    	this.service = service;
+        this.typeID = typeID;
+        this.typeName = typeName;
+        this.autoMatch = autoMatch;
+        this.columnDetails = new ArrayList<ColumnDetail>();
+    }
+
+    public void write(JSONWriter writer, Properties options)
+            throws JSONException {
+        
+        writer.object();
+        writer.key("mode"); writer.value("heuristic"); 
+        writer.key("service"); writer.value(service); 
+        writer.key("type"); 
+        	writer.object();
+        	writer.key("id"); writer.value(typeID);
+        	writer.key("name"); writer.value(typeName);
+        	writer.endObject();
+        writer.key("autoMatch"); writer.value(autoMatch);
+        writer.key("columnDetails");
+        	writer.array();
+        	for (ColumnDetail c : columnDetails) {
+        		writer.object();
+        		writer.key("column"); writer.value(c.columnName);
+        		writer.key("property"); c.property.write(writer, options);
+        		writer.endObject();
+        	}
+        	writer.endArray();
+        writer.endObject();
+    }
+
+	@Override
+	public int getBatchSize() {
+		return 10;
+	}
+
+	@Override
+	public String getBriefDescription(Project project, String columnName) {
+        return "Reconcile cells in column " + columnName + " to type " + typeID;
+	}
+
+	@Override
+	public ReconJob createJob(Project project, int rowIndex, Row row,
+			String columnName, Cell cell) {
+		
+		HeuristicReconJob job = new HeuristicReconJob();
+		
+		job.text = cell.value.toString();
+		
+		return job;
+	}
+	
+	@Override
+	public List<Recon> batchRecon(List<ReconJob> jobs) {
+		if ("relevance".equals(service)) {
+			return batchReconUsingRelevance(jobs);
+		} else {
+			return batchReconUsingReconService(jobs);
+		}
+	}
+	
+	protected List<Recon> batchReconUsingRelevance(List<ReconJob> jobs) {
+		List<Recon> recons = new ArrayList<Recon>(jobs.size());
+		
+		try {
+			StringWriter stringWriter = new StringWriter();
+			JSONWriter jsonWriter = new JSONWriter(stringWriter);
+			
+			jsonWriter.object();
+			for (int i = 0; i < jobs.size(); i++) {
+				HeuristicReconJob job = (HeuristicReconJob) jobs.get(i);
+				
+				jsonWriter.key("q" + i + ":search");
+				
+				jsonWriter.object();
+					jsonWriter.key("query"); jsonWriter.value(job.text);
+					jsonWriter.key("limit"); jsonWriter.value(3);
+					jsonWriter.key("type"); jsonWriter.value(typeID);
+					jsonWriter.key("type_strict"); jsonWriter.value("should");
+					jsonWriter.key("type_exclude"); jsonWriter.value("/common/image");
+					jsonWriter.key("domain_exclude"); jsonWriter.value("/freebase");
+				jsonWriter.endObject();
+			}
+			jsonWriter.endObject();
+			
+			StringBuffer sb = new StringBuffer();
+			sb.append("http://api.freebase.com/api/service/search?indent=1&queries=");
+			sb.append(ParsingUtilities.encode(stringWriter.toString()));
+			
+			URL url = new URL(sb.toString());
+			URLConnection connection = url.openConnection();
+			connection.setConnectTimeout(5000);
+			connection.connect();
+			
+			InputStream is = connection.getInputStream();
+			try {
+				String s = ParsingUtilities.inputStreamToString(is);
+				JSONObject o = ParsingUtilities.evaluateJsonStringToObject(s);
+				
+				for (int i = 0; i < jobs.size(); i++) {
+					HeuristicReconJob job = (HeuristicReconJob) jobs.get(i);
+					
+					String text = job.text;
+					String key = "q" + i + ":search";
+					if (!o.has(key)) {
+						continue;
+					}
+					
+					Recon recon = null;
+					
+					JSONObject o2 = o.getJSONObject(key);
+					if (o2.has("result")) {
+						JSONArray results = o2.getJSONArray("result");
+						
+						recon = createReconFromRelevanceResults(text, results);
+					} else {
+						recon = new Recon();
+					}
+					
+					recons.add(recon);
+				}
+			} finally {
+				is.close();
+			}
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		
+		System.gc();
+		
+		return recons;
+	}
+
+	protected Recon createReconFromRelevanceResults(String text, JSONArray results) {
+		Recon recon = new Recon();
+		try {
+			int length = results.length();
+			int count = 0;
+			for (int i = 0; i < length && count < 3; i++) {
+				JSONObject result = results.getJSONObject(i);
+				if (!result.has("name")) {
+					continue;
+				}
+				
+				JSONArray types = result.getJSONArray("type");
+				String[] typeIDs = new String[types.length()];
+				for (int j = 0; j < typeIDs.length; j++) {
+					typeIDs[j] = types.getJSONObject(j).getString("id");
+				}
+				
+				double score = result.getDouble("relevance:score");
+				ReconCandidate candidate = new ReconCandidate(
+					result.getString("id"),
+					result.getString("guid"),
+					result.getString("name"),
+					typeIDs,
+					score
+				);
+				
+				// best match
+				if (i == 0) {
+					recon.setFeature(Recon.Feature_nameMatch, text.equalsIgnoreCase(candidate.topicName));
+					recon.setFeature(Recon.Feature_nameLevenshtein, StringUtils.getLevenshteinDistance(text, candidate.topicName));
+					recon.setFeature(Recon.Feature_nameWordDistance, wordDistance(text, candidate.topicName));
+					
+					recon.setFeature(Recon.Feature_typeMatch, false);
+					for (String typeID : candidate.typeIDs) {
+						if (typeID.equals(typeID)) {
+							recon.setFeature(Recon.Feature_typeMatch, true);
+	                        if (autoMatch && score >= 100) {
+	                            recon.match = candidate;
+	                            recon.judgment = Judgment.Matched;
+	                        }
+							break;
+						}
+					}
+				}
+				
+				recon.addCandidate(candidate);
+				count++;
+			}
+		} catch (JSONException e) {
+			e.printStackTrace();
+		}
+		return recon;
+	}
+	
+	protected List<Recon> batchReconUsingReconService(List<ReconJob> jobs) {
+		List<Recon> recons = new ArrayList<Recon>(jobs.size());
+		
+		try {
+			StringWriter stringWriter = new StringWriter();
+			JSONWriter jsonWriter = new JSONWriter(stringWriter);
+			
+			jsonWriter.object();
+			for (int i = 0; i < jobs.size(); i++) {
+				HeuristicReconJob job = (HeuristicReconJob) jobs.get(i);
+				
+				jsonWriter.key("q" + i + ":search");
+				
+				jsonWriter.object();
+					jsonWriter.key("query"); jsonWriter.value(job.text);
+					jsonWriter.key("limit"); jsonWriter.value(3);
+					jsonWriter.key("type"); jsonWriter.value(typeID);
+					jsonWriter.key("type_strict"); jsonWriter.value("should");
+					jsonWriter.key("type_exclude"); jsonWriter.value("/common/image");
+					jsonWriter.key("domain_exclude"); jsonWriter.value("/freebase");
+				jsonWriter.endObject();
+			}
+			jsonWriter.endObject();
+			
+			StringBuffer sb = new StringBuffer();
+			sb.append("http://api.freebase.com/api/service/search?indent=1&queries=");
+			sb.append(ParsingUtilities.encode(stringWriter.toString()));
+			
+			URL url = new URL(sb.toString());
+			URLConnection connection = url.openConnection();
+			connection.setConnectTimeout(5000);
+			connection.connect();
+			
+			InputStream is = connection.getInputStream();
+			try {
+				String s = ParsingUtilities.inputStreamToString(is);
+				JSONObject o = ParsingUtilities.evaluateJsonStringToObject(s);
+				
+				for (int i = 0; i < jobs.size(); i++) {
+					HeuristicReconJob job = (HeuristicReconJob) jobs.get(i);
+					
+					String text = job.text;
+					String key = "q" + i + ":search";
+					if (!o.has(key)) {
+						continue;
+					}
+					
+					Recon recon = null;
+					
+					JSONObject o2 = o.getJSONObject(key);
+					if (o2.has("result")) {
+						JSONArray results = o2.getJSONArray("result");
+						
+						recon = createReconFromRelevanceResults(text, results);
+					} else {
+						recon = new Recon();
+					}
+					
+					recons.add(recon);
+				}
+			} finally {
+				is.close();
+			}
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		
+		System.gc();
+		
+		return recons;
+	}
+
+	
+	static protected double wordDistance(String s1, String s2) {
+		Set<String> words1 = breakWords(s1);
+		Set<String> words2 = breakWords(s2);
+		return words1.size() >= words2.size() ? wordDistance(words1, words2) : wordDistance(words2, words1);
+	}
+	
+	static protected double wordDistance(Set<String> longWords, Set<String> shortWords) {
+		double common = 0;
+		for (String word : shortWords) {
+			if (longWords.contains(word)) {
+				common++;
+			}
+		}
+		return common / longWords.size();
+	}
+	
+	static protected Set<String> s_stopWords;
+	static {
+		s_stopWords = new HashSet<String>();
+		s_stopWords.add("the");
+		s_stopWords.add("a");
+		s_stopWords.add("and");
+		s_stopWords.add("of");
+		s_stopWords.add("on");
+		s_stopWords.add("in");
+		s_stopWords.add("at");
+		s_stopWords.add("by");
+	}
+	
+	static protected Set<String> breakWords(String s) {
+		String[] words = s.toLowerCase().split("\\s+");
+		
+		Set<String> set = new HashSet<String>(words.length);
+		for (String word : words) {
+			if (!s_stopWords.contains(word)) {
+				set.add(word);
+			}
+		}
+		return set;
+	}
+}
diff --git a/src/main/java/com/metaweb/gridworks/model/recon/ReconConfig.java b/src/main/java/com/metaweb/gridworks/model/recon/ReconConfig.java
new file mode 100644
index 000000000..68c9c9e3e
--- /dev/null
+++ b/src/main/java/com/metaweb/gridworks/model/recon/ReconConfig.java
@@ -0,0 +1,38 @@
+package com.metaweb.gridworks.model.recon;
+
+import java.io.Serializable; 
+import java.util.List;
+
+import org.json.JSONObject;
+
+import com.metaweb.gridworks.Jsonizable;
+import com.metaweb.gridworks.model.Cell;
+import com.metaweb.gridworks.model.Project;
+import com.metaweb.gridworks.model.Recon;
+import com.metaweb.gridworks.model.Row;
+
+abstract public class ReconConfig implements Serializable, Jsonizable {
+    private static final long serialVersionUID = -4831409797104437854L;
+    
+    static public ReconConfig reconstruct(JSONObject obj) throws Exception {
+        String mode = obj.getString("mode");
+        if ("heuristic".equals(mode)) {
+        	return HeuristicReconConfig.reconstruct(obj);
+        }
+        return null;
+    }
+    
+    abstract public int getBatchSize();
+    
+	abstract public String getBriefDescription(Project project, String columnName);
+	
+	abstract public ReconJob createJob(
+		Project 	project, 
+		int 		rowIndex, 
+		Row 		row,
+		String		columnName,
+		Cell		cell
+	);
+    
+	abstract public List<Recon> batchRecon(List<ReconJob> jobs);
+}
diff --git a/src/main/java/com/metaweb/gridworks/model/recon/ReconJob.java b/src/main/java/com/metaweb/gridworks/model/recon/ReconJob.java
new file mode 100644
index 000000000..7e8becbe8
--- /dev/null
+++ b/src/main/java/com/metaweb/gridworks/model/recon/ReconJob.java
@@ -0,0 +1,5 @@
+package com.metaweb.gridworks.model.recon;
+
+abstract public class ReconJob {
+	abstract public int getKey();
+}
diff --git a/src/main/java/com/metaweb/gridworks/operations/ColumnAdditionOperation.java b/src/main/java/com/metaweb/gridworks/operations/ColumnAdditionOperation.java
index c4b09f556..b012c6d1c 100644
--- a/src/main/java/com/metaweb/gridworks/operations/ColumnAdditionOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/ColumnAdditionOperation.java
@@ -66,7 +66,7 @@ public class ColumnAdditionOperation extends EngineDependentOperation {
 		
 		writer.object();
 		writer.key("op"); writer.value(OperationRegistry.s_opClassToName.get(this.getClass()));
-		writer.key("description"); writer.value(getBriefDescription());
+		writer.key("description"); writer.value(getBriefDescription(null));
 		writer.key("engineConfig"); writer.value(getEngineConfig());
 		writer.key("headerLabel"); writer.value(_headerLabel);
 		writer.key("columnInsertIndex"); writer.value(_columnInsertIndex);
@@ -75,7 +75,7 @@ public class ColumnAdditionOperation extends EngineDependentOperation {
 		writer.endObject();
 	}
 
-	protected String getBriefDescription() {
+	protected String getBriefDescription(Project project) {
         return "Create column " + _headerLabel + 
             " at index " + _columnInsertIndex + 
             " based on column " + _baseColumnName + 
diff --git a/src/main/java/com/metaweb/gridworks/operations/ColumnRemovalOperation.java b/src/main/java/com/metaweb/gridworks/operations/ColumnRemovalOperation.java
index 40d72bb6d..d2dc08a28 100644
--- a/src/main/java/com/metaweb/gridworks/operations/ColumnRemovalOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/ColumnRemovalOperation.java
@@ -41,7 +41,7 @@ public class ColumnRemovalOperation extends AbstractOperation {
     }
 
 
-	protected String getBriefDescription() {
+	protected String getBriefDescription(Project project) {
 		return "Remove column " + _columnName;
 	}
 
diff --git a/src/main/java/com/metaweb/gridworks/operations/MultiValuedCellJoinOperation.java b/src/main/java/com/metaweb/gridworks/operations/MultiValuedCellJoinOperation.java
index 6cf0a4e22..a983f5431 100644
--- a/src/main/java/com/metaweb/gridworks/operations/MultiValuedCellJoinOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/MultiValuedCellJoinOperation.java
@@ -47,14 +47,14 @@ public class MultiValuedCellJoinOperation extends AbstractOperation {
         
         writer.object();
         writer.key("op"); writer.value(OperationRegistry.s_opClassToName.get(this.getClass()));
-        writer.key("description"); writer.value(getBriefDescription());
+        writer.key("description"); writer.value(getBriefDescription(null));
         writer.key("columnName"); writer.value(_columnName);
         writer.key("keyColumnName"); writer.value(_keyColumnName);
         writer.key("separator"); writer.value(_separator);
         writer.endObject();
     }
     
-	protected String getBriefDescription() {
+	protected String getBriefDescription(Project project) {
 		return "Join multi-valued cells in column " + _columnName;
 	}
 
@@ -121,7 +121,7 @@ public class MultiValuedCellJoinOperation extends AbstractOperation {
 		
 		return new HistoryEntry(
 		    project, 
-		    getBriefDescription(), 
+		    getBriefDescription(null), 
 		    this, 
 		    new MassRowChange(newRows)
 		);
diff --git a/src/main/java/com/metaweb/gridworks/operations/MultiValuedCellSplitOperation.java b/src/main/java/com/metaweb/gridworks/operations/MultiValuedCellSplitOperation.java
index 946dcbcb9..132d300d2 100644
--- a/src/main/java/com/metaweb/gridworks/operations/MultiValuedCellSplitOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/MultiValuedCellSplitOperation.java
@@ -59,7 +59,7 @@ public class MultiValuedCellSplitOperation extends AbstractOperation {
        writer.endObject();
     }
 
-	protected String getBriefDescription() {
+	protected String getBriefDescription(Project project) {
 		return "Split multi-valued cells in column " + _columnName;
 	}
 
@@ -139,7 +139,7 @@ public class MultiValuedCellSplitOperation extends AbstractOperation {
 		
 		return new HistoryEntry(
 		    project, 
-		    getBriefDescription(), 
+		    getBriefDescription(null), 
 		    this, 
 		    new MassRowChange(newRows)
 		);
diff --git a/src/main/java/com/metaweb/gridworks/operations/ReconDiscardJudgmentsOperation.java b/src/main/java/com/metaweb/gridworks/operations/ReconDiscardJudgmentsOperation.java
index 257e89d31..71fefe7ad 100644
--- a/src/main/java/com/metaweb/gridworks/operations/ReconDiscardJudgmentsOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/ReconDiscardJudgmentsOperation.java
@@ -41,13 +41,13 @@ public class ReconDiscardJudgmentsOperation extends EngineDependentMassCellOpera
 		
 		writer.object();
 		writer.key("op"); writer.value(OperationRegistry.s_opClassToName.get(this.getClass()));
-		writer.key("description"); writer.value(getBriefDescription());
+		writer.key("description"); writer.value(getBriefDescription(null));
 		writer.key("engineConfig"); writer.value(getEngineConfig());
 		writer.key("columnName"); writer.value(_columnName);
 		writer.endObject();
 	}
 
-	protected String getBriefDescription() {
+	protected String getBriefDescription(Project project) {
 		return "Discard recon judgments for cells in column " + _columnName;
 	}
 
diff --git a/src/main/java/com/metaweb/gridworks/operations/ReconJudgeSimilarCellsOperation.java b/src/main/java/com/metaweb/gridworks/operations/ReconJudgeSimilarCellsOperation.java
index 33cd2634f..eb5a9d75e 100644
--- a/src/main/java/com/metaweb/gridworks/operations/ReconJudgeSimilarCellsOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/ReconJudgeSimilarCellsOperation.java
@@ -89,7 +89,7 @@ public class ReconJudgeSimilarCellsOperation extends EngineDependentMassCellOper
 		
 		writer.object();
 		writer.key("op"); writer.value(OperationRegistry.s_opClassToName.get(this.getClass()));
-		writer.key("description"); writer.value(getBriefDescription());
+		writer.key("description"); writer.value(getBriefDescription(null));
 		writer.key("engineConfig"); writer.value(getEngineConfig());
 		writer.key("columnName"); writer.value(_columnName);
 		writer.key("similarValue"); writer.value(_similarValue);
@@ -102,7 +102,7 @@ public class ReconJudgeSimilarCellsOperation extends EngineDependentMassCellOper
 		writer.endObject();
 	}
 	
-	protected String getBriefDescription() {
+	protected String getBriefDescription(Project project) {
 		if (_judgment == Judgment.None) {
 			return "Discard recon judgments for cells containing \"" +
 				_similarValue + "\" in column " + _columnName;
diff --git a/src/main/java/com/metaweb/gridworks/operations/ReconMarkNewTopicsOperation.java b/src/main/java/com/metaweb/gridworks/operations/ReconMarkNewTopicsOperation.java
index 25b61a7c8..a5d9277a3 100644
--- a/src/main/java/com/metaweb/gridworks/operations/ReconMarkNewTopicsOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/ReconMarkNewTopicsOperation.java
@@ -46,14 +46,14 @@ public class ReconMarkNewTopicsOperation extends EngineDependentMassCellOperatio
 		
 		writer.object();
 		writer.key("op"); writer.value(OperationRegistry.s_opClassToName.get(this.getClass()));
-		writer.key("description"); writer.value(getBriefDescription());
+		writer.key("description"); writer.value(getBriefDescription(null));
 		writer.key("engineConfig"); writer.value(getEngineConfig());
 		writer.key("columnName"); writer.value(_columnName);
 		writer.key("shareNewTopics"); writer.value(_shareNewTopics);
 		writer.endObject();
 	}
 	
-	protected String getBriefDescription() {
+	protected String getBriefDescription(Project project) {
 		return "Mark to create new topics for cells in column " + _columnName +
 			(_shareNewTopics ? 
 				", one topic for each group of similar cells" : 
diff --git a/src/main/java/com/metaweb/gridworks/operations/ReconMatchBestCandidatesOperation.java b/src/main/java/com/metaweb/gridworks/operations/ReconMatchBestCandidatesOperation.java
index 9fb80239f..5cbbbfc97 100644
--- a/src/main/java/com/metaweb/gridworks/operations/ReconMatchBestCandidatesOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/ReconMatchBestCandidatesOperation.java
@@ -41,13 +41,13 @@ public class ReconMatchBestCandidatesOperation extends EngineDependentMassCellOp
 		
 		writer.object();
 		writer.key("op"); writer.value(OperationRegistry.s_opClassToName.get(this.getClass()));
-		writer.key("description"); writer.value(getBriefDescription());
+		writer.key("description"); writer.value(getBriefDescription(null));
 		writer.key("engineConfig"); writer.value(getEngineConfig());
 		writer.key("columnName"); writer.value(_columnName);
 		writer.endObject();
 	}
 
-	protected String getBriefDescription() {
+	protected String getBriefDescription(Project project) {
 		return "Match each cell to its best recon candidate in column " + _columnName;
 	}
 
diff --git a/src/main/java/com/metaweb/gridworks/operations/ReconMatchSpecificTopicOperation.java b/src/main/java/com/metaweb/gridworks/operations/ReconMatchSpecificTopicOperation.java
index a490e2e26..332dfa0d6 100644
--- a/src/main/java/com/metaweb/gridworks/operations/ReconMatchSpecificTopicOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/ReconMatchSpecificTopicOperation.java
@@ -60,7 +60,7 @@ public class ReconMatchSpecificTopicOperation extends EngineDependentMassCellOpe
 		
 		writer.object();
 		writer.key("op"); writer.value(OperationRegistry.s_opClassToName.get(this.getClass()));
-		writer.key("description"); writer.value(getBriefDescription());
+		writer.key("description"); writer.value(getBriefDescription(null));
 		writer.key("engineConfig"); writer.value(getEngineConfig());
 		writer.key("columnName"); writer.value(_columnName);
 		writer.key("match");
@@ -78,7 +78,7 @@ public class ReconMatchSpecificTopicOperation extends EngineDependentMassCellOpe
 		writer.endObject();
 	}
 	
-	protected String getBriefDescription() {
+	protected String getBriefDescription(Project project) {
 		return "Match specific topic " +
 			match.topicName + " (" + 
 			match.topicID + ") to cells in column " + _columnName;
diff --git a/src/main/java/com/metaweb/gridworks/operations/ReconOperation.java b/src/main/java/com/metaweb/gridworks/operations/ReconOperation.java
index af1e92c88..5d0c22a73 100644
--- a/src/main/java/com/metaweb/gridworks/operations/ReconOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/ReconOperation.java
@@ -1,20 +1,11 @@
 package com.metaweb.gridworks.operations;
 
-import java.io.InputStream;
-import java.io.StringWriter;
-import java.net.URL;
-import java.net.URLConnection;
 import java.util.ArrayList;
 import java.util.HashMap;
-import java.util.HashSet;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
-import java.util.Set;
 
-import org.apache.commons.lang.StringUtils;
-import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
 import org.json.JSONWriter;
@@ -30,24 +21,19 @@ import com.metaweb.gridworks.model.Cell;
 import com.metaweb.gridworks.model.Column;
 import com.metaweb.gridworks.model.Project;
 import com.metaweb.gridworks.model.Recon;
-import com.metaweb.gridworks.model.ReconCandidate;
-import com.metaweb.gridworks.model.ReconConfig;
 import com.metaweb.gridworks.model.Row;
-import com.metaweb.gridworks.model.Recon.Judgment;
 import com.metaweb.gridworks.model.changes.CellChange;
 import com.metaweb.gridworks.model.changes.ReconChange;
+import com.metaweb.gridworks.model.recon.ReconConfig;
+import com.metaweb.gridworks.model.recon.ReconJob;
 import com.metaweb.gridworks.process.LongRunningProcess;
 import com.metaweb.gridworks.process.Process;
-import com.metaweb.gridworks.util.ParsingUtilities;
 
 public class ReconOperation extends EngineDependentOperation {
 	private static final long serialVersionUID = 838795186905314865L;
 	
 	final protected String		_columnName;
-	final protected String 		_typeID;
-	final protected String 		_typeName;
-	final protected boolean     _autoMatch;
-	final protected double      _minScore;
+	final protected ReconConfig _reconConfig;
 	
     static public AbstractOperation reconstruct(Project project, JSONObject obj) throws Exception {
         JSONObject engineConfig = obj.getJSONObject("engineConfig");
@@ -55,39 +41,30 @@ public class ReconOperation extends EngineDependentOperation {
         return new ReconOperation(
             engineConfig, 
             obj.getString("columnName"),
-            obj.getString("typeID"),
-            obj.getString("typeName"),
-            obj.getBoolean("autoMatch"),
-            obj.getDouble("minScore")
+            ReconConfig.reconstruct(obj.getJSONObject("config"))
         );
     }
     
 	public ReconOperation(
         JSONObject engineConfig, 
         String columnName, 
-        String typeID, 
-        String typeName, 
-        boolean autoMatch, 
-        double minScore
+        ReconConfig reconConfig
     ) {
 		super(engineConfig);
 		_columnName = columnName;
-		_typeID = typeID;
-		_typeName = typeName;
-		_autoMatch = autoMatch;
-		_minScore = minScore;
+		_reconConfig = reconConfig;
 	}
 
 	public Process createProcess(Project project, Properties options) throws Exception {
 		return new ReconProcess(
 			project, 
 			getEngineConfig(),
-			getBriefDescription()
+			getBriefDescription(null)
 		);
 	}
 	
-	protected String getBriefDescription() {
-        return "Reconcile cells in column " + _columnName + " to type " + _typeID;
+	protected String getBriefDescription(Project project) {
+        return _reconConfig.getBriefDescription(project, _columnName);
 	}
 
 	public void write(JSONWriter writer, Properties options)
@@ -95,12 +72,9 @@ public class ReconOperation extends EngineDependentOperation {
 		
 		writer.object();
 		writer.key("op"); writer.value(OperationRegistry.s_opClassToName.get(this.getClass()));
-		writer.key("description"); writer.value(getBriefDescription());
+		writer.key("description"); writer.value(getBriefDescription(null));
 		writer.key("columnName"); writer.value(_columnName);
-		writer.key("typeID"); writer.value(_typeID);
-		writer.key("typeName"); writer.value(_typeName);
-        writer.key("autoMatch"); writer.value(_autoMatch);
-        writer.key("minScore"); writer.value(_minScore);
+		writer.key("config"); _reconConfig.write(writer, options);
 		writer.key("engineConfig"); writer.value(getEngineConfig());
 		writer.endObject();
 	}
@@ -114,6 +88,14 @@ public class ReconOperation extends EngineDependentOperation {
 			this.cell = cell;
 		}
 	}
+	static protected class JobGroup {
+		final public ReconJob job;
+		final public List<ReconEntry> entries = new ArrayList<ReconEntry>();
+		
+		public JobGroup(ReconJob job) {
+			this.job = job;
+		}
+	}
 	
 	public class ReconProcess extends LongRunningProcess implements Runnable {
 		final protected Project		_project;
@@ -169,31 +151,60 @@ public class ReconOperation extends EngineDependentOperation {
 				e2.printStackTrace();
 			}
 			
-			Map<String, List<ReconEntry>> valueToEntries = new HashMap<String, List<ReconEntry>>();
+			Map<Integer, JobGroup> jobKeyToGroup = new HashMap<Integer, JobGroup>();
 			
 			for (ReconEntry entry : _entries) {
-				Object value = entry.cell.value;
-				if (value != null && value instanceof String) {
-					List<ReconEntry> entries2;
-					if (valueToEntries.containsKey(value)) {
-						entries2 = valueToEntries.get(value);
-					} else {
-						entries2 = new LinkedList<ReconEntry>();
-						valueToEntries.put((String) value, entries2);
-					}
-					entries2.add(entry);
+				ReconJob job = _reconConfig.createJob(
+					_project, 
+					entry.rowIndex, 
+					_project.rows.get(entry.rowIndex), 
+					_columnName, 
+					entry.cell
+				);
+				
+				int key = job.getKey();
+				JobGroup group = jobKeyToGroup.get(key);
+				if (group == null) {
+					group = new JobGroup(job);
+					jobKeyToGroup.put(key, group);
 				}
+				group.entries.add(entry);
 			}
 			
 			List<CellChange> cellChanges = new ArrayList<CellChange>(_entries.size());
-			List<String> values = new ArrayList<String>(valueToEntries.keySet());
+			List<JobGroup> groups = new ArrayList<JobGroup>(jobKeyToGroup.values());
 			
-			final int batchSize = 10;
-			for (int i = 0; i < values.size(); i += batchSize) {
-				recon(valueToEntries, values, i, Math.min(i + batchSize, values.size()), cellChanges);
+			int batchSize = _reconConfig.getBatchSize();
+			for (int i = 0; i < groups.size(); i += batchSize) {
+				int to = Math.min(i + batchSize, groups.size());
 				
-				_progress = i * 100 / values.size();
+				List<ReconJob> jobs = new ArrayList<ReconJob>(to - i);
+				for (int j = i; j < to; j++) {
+					jobs.add(groups.get(j).job);
+				}
 				
+				List<Recon> recons = _reconConfig.batchRecon(jobs);
+				for (int j = i; j < to; j++) {
+					Recon recon = recons.get(j - i);
+					if (recon == null) {
+						recon = new Recon();
+					}
+					
+					for (ReconEntry entry : groups.get(j).entries) {
+						Cell oldCell = entry.cell;
+						Cell newCell = new Cell(oldCell.value, recon);
+						
+						CellChange cellChange = new CellChange(
+							entry.rowIndex, 
+							_cellIndex, 
+							oldCell, 
+							newCell
+						);
+						cellChanges.add(cellChange);
+					}
+				}
+				
+				_progress = i * 100 / groups.size();
 				try {
 					Thread.sleep(50);
 				} catch (InterruptedException e) {
@@ -206,7 +217,7 @@ public class ReconOperation extends EngineDependentOperation {
 			Change reconChange = new ReconChange(
 				cellChanges, 
 				_columnName, 
-				new ReconConfig(_typeID, _typeName),
+				_reconConfig,
 				null
 			);
 			
@@ -220,204 +231,5 @@ public class ReconOperation extends EngineDependentOperation {
 			_project.history.addEntry(historyEntry);
 			_project.processManager.onDoneProcess(this);
 		}
-		
-		protected void recon(
-			Map<String, List<ReconEntry>> valueToEntries, 
-			List<String> values, 
-			int from, 
-			int to,
-			List<CellChange> cellChanges
-		) {
-			try {
-				StringWriter stringWriter = new StringWriter();
-				JSONWriter jsonWriter = new JSONWriter(stringWriter);
-				
-				jsonWriter.object();
-				for (int i = 0; from + i < to; i++) {
-					jsonWriter.key("q" + i + ":search");
-					
-					jsonWriter.object();
-					
-					jsonWriter.key("query"); jsonWriter.value(values.get(from + i));
-					jsonWriter.key("limit"); jsonWriter.value(3);
-					jsonWriter.key("type"); jsonWriter.value(_typeID);
-					jsonWriter.key("type_strict"); jsonWriter.value("should");
-					//jsonWriter.key("indent"); jsonWriter.value(1);
-					jsonWriter.key("type_exclude"); jsonWriter.value("/common/image");
-					jsonWriter.key("domain_exclude"); jsonWriter.value("/freebase");
-					
-					jsonWriter.endObject();
-				}
-				jsonWriter.endObject();
-				
-				StringBuffer sb = new StringBuffer();
-				sb.append("http://api.freebase.com/api/service/search?indent=1&queries=");
-				sb.append(ParsingUtilities.encode(stringWriter.toString()));
-				
-				URL url = new URL(sb.toString());
-				URLConnection connection = url.openConnection();
-				connection.setConnectTimeout(5000);
-				connection.connect();
-				
-				InputStream is = connection.getInputStream();
-				try {
-					String s = ParsingUtilities.inputStreamToString(is);
-					JSONObject o = ParsingUtilities.evaluateJsonStringToObject(s);
-					
-					for (int i = 0; from + i < to; i++) {
-						String value = values.get(from + i);
-						String key = "q" + i + ":search";
-						if (!o.has(key)) {
-							continue;
-						}
-						
-						Recon recon;
-						
-						JSONObject o2 = o.getJSONObject(key);
-						if (o2.has("result")) {
-							JSONArray results = o2.getJSONArray("result");
-							
-							recon = createRecon(value, results);
-						} else {
-							recon = new Recon();
-						}
-						
-						for (ReconEntry entry : valueToEntries.get(value)) {
-							Cell oldCell = entry.cell;
-							
-							Cell newCell = new Cell(oldCell.value, recon);
-							
-							CellChange cellChange = new CellChange(
-								entry.rowIndex, 
-								_cellIndex, 
-								oldCell, 
-								newCell
-							);
-							cellChanges.add(cellChange);
-						}
-						
-						valueToEntries.remove(value);
-					}
-				} finally {
-					is.close();
-				}
-			} catch (Exception e) {
-				e.printStackTrace();
-			}
-			
-			for (List<ReconEntry> entries : valueToEntries.values()) {
-				Recon recon = new Recon();
-				
-				for (ReconEntry entry : entries) {
-					Cell oldCell = entry.cell;
-					Cell newCell = new Cell(oldCell.value, recon);
-					
-					CellChange cellChange = new CellChange(
-						entry.rowIndex, 
-						_cellIndex, 
-						oldCell, 
-						newCell
-					);
-					cellChanges.add(cellChange);
-				}
-			}
-			
-			System.gc();
-		}
-	
-		protected Recon createRecon(String text, JSONArray results) {
-			Recon recon = new Recon();
-			try {
-				int length = results.length();
-				int count = 0;
-				for (int i = 0; i < length && count < 3; i++) {
-					JSONObject result = results.getJSONObject(i);
-					if (!result.has("name")) {
-						continue;
-					}
-					
-					JSONArray types = result.getJSONArray("type");
-					String[] typeIDs = new String[types.length()];
-					for (int j = 0; j < typeIDs.length; j++) {
-						typeIDs[j] = types.getJSONObject(j).getString("id");
-					}
-					
-					double score = result.getDouble("relevance:score");
-					ReconCandidate candidate = new ReconCandidate(
-						result.getString("id"),
-						result.getString("guid"),
-						result.getString("name"),
-						typeIDs,
-						score
-					);
-					
-					// best match
-					if (i == 0) {
-						recon.setFeature(Recon.Feature_nameMatch, text.equalsIgnoreCase(candidate.topicName));
-						recon.setFeature(Recon.Feature_nameLevenshtein, StringUtils.getLevenshteinDistance(text, candidate.topicName));
-						recon.setFeature(Recon.Feature_nameWordDistance, wordDistance(text, candidate.topicName));
-						
-						recon.setFeature(Recon.Feature_typeMatch, false);
-						for (String typeID : candidate.typeIDs) {
-							if (_typeID.equals(typeID)) {
-								recon.setFeature(Recon.Feature_typeMatch, true);
-		                        if (_autoMatch && score >= _minScore) {
-		                            recon.match = candidate;
-		                            recon.judgment = Judgment.Matched;
-		                        }
-								break;
-							}
-						}
-					}
-					
-					recon.addCandidate(candidate);
-					count++;
-				}
-			} catch (JSONException e) {
-				e.printStackTrace();
-			}
-			return recon;
-		}
-	}
-	
-	static protected double wordDistance(String s1, String s2) {
-		Set<String> words1 = breakWords(s1);
-		Set<String> words2 = breakWords(s2);
-		return words1.size() >= words2.size() ? wordDistance(words1, words2) : wordDistance(words2, words1);
-	}
-	
-	static protected double wordDistance(Set<String> longWords, Set<String> shortWords) {
-		double common = 0;
-		for (String word : shortWords) {
-			if (longWords.contains(word)) {
-				common++;
-			}
-		}
-		return common / longWords.size();
-	}
-	
-	static protected Set<String> s_stopWords;
-	static {
-		s_stopWords = new HashSet<String>();
-		s_stopWords.add("the");
-		s_stopWords.add("a");
-		s_stopWords.add("and");
-		s_stopWords.add("of");
-		s_stopWords.add("on");
-		s_stopWords.add("in");
-		s_stopWords.add("at");
-		s_stopWords.add("by");
-	}
-	
-	static protected Set<String> breakWords(String s) {
-		String[] words = s.toLowerCase().split("\\s+");
-		
-		Set<String> set = new HashSet<String>(words.length);
-		for (String word : words) {
-			if (!s_stopWords.contains(word)) {
-				set.add(word);
-			}
-		}
-		return set;
 	}
 }
diff --git a/src/main/java/com/metaweb/gridworks/operations/RowStarOperation.java b/src/main/java/com/metaweb/gridworks/operations/RowStarOperation.java
index 8dcea557d..331184218 100644
--- a/src/main/java/com/metaweb/gridworks/operations/RowStarOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/RowStarOperation.java
@@ -44,13 +44,13 @@ public class RowStarOperation extends EngineDependentOperation {
 		
 		writer.object();
 		writer.key("op"); writer.value(OperationRegistry.s_opClassToName.get(this.getClass()));
-		writer.key("description"); writer.value(getBriefDescription());
+		writer.key("description"); writer.value(getBriefDescription(null));
 		writer.key("engineConfig"); writer.value(getEngineConfig());
 		writer.key("starred"); writer.value(_starred);
 		writer.endObject();
 	}
 
-	protected String getBriefDescription() {
+	protected String getBriefDescription(Project project) {
 		return (_starred ? "Star rows" : "Unstar rows");
 	}
 
diff --git a/src/main/java/com/metaweb/gridworks/operations/SaveProtographOperation.java b/src/main/java/com/metaweb/gridworks/operations/SaveProtographOperation.java
index ac9251424..5bad8b721 100644
--- a/src/main/java/com/metaweb/gridworks/operations/SaveProtographOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/SaveProtographOperation.java
@@ -39,7 +39,7 @@ public class SaveProtographOperation extends AbstractOperation {
         writer.endObject();
     }
 
-	protected String getBriefDescription() {
+	protected String getBriefDescription(Project project) {
 		return "Save schema skeleton";
 	}
 
diff --git a/src/main/java/com/metaweb/gridworks/operations/TextTransformOperation.java b/src/main/java/com/metaweb/gridworks/operations/TextTransformOperation.java
index 0a60ab0a0..d803c7da3 100644
--- a/src/main/java/com/metaweb/gridworks/operations/TextTransformOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/TextTransformOperation.java
@@ -43,14 +43,14 @@ public class TextTransformOperation extends EngineDependentMassCellOperation {
 		
 		writer.object();
 		writer.key("op"); writer.value(OperationRegistry.s_opClassToName.get(this.getClass()));
-		writer.key("description"); writer.value(getBriefDescription());
+		writer.key("description"); writer.value(getBriefDescription(null));
 		writer.key("engineConfig"); writer.value(getEngineConfig());
 		writer.key("columnName"); writer.value(_columnName);
 		writer.key("expression"); writer.value(_expression);
 		writer.endObject();
 	}
 
-	protected String getBriefDescription() {
+	protected String getBriefDescription(Project project) {
 		return "Text transform on cells in column " + _columnName + " using expression " + _expression;
 	}
 
diff --git a/src/main/webapp/scripts/dialogs/recon-dialog.js b/src/main/webapp/scripts/dialogs/recon-dialog.js
index 0242417cf..82dc46bb1 100644
--- a/src/main/webapp/scripts/dialogs/recon-dialog.js
+++ b/src/main/webapp/scripts/dialogs/recon-dialog.js
@@ -59,11 +59,17 @@ ReconDialog.prototype._createDialog = function() {
                             '<div class="recon-dialog-heuristic-details-container" bind="heuristicDetailContainer"></div>' +
                         '</td>' +
                     '</tr>' +
+                    '<tr>' +
+                        '<td>' +
+                            '<input type="checkbox" checked bind="heuristicAutomatchCheck" /> Auto-match correctly-typed candidates scoring' +
+                        '</td>' +
+                        '<td>' +
+                            'Use ' +
+                            '<input type="radio" name="recon-dialog-heuristic-service" value="recon" checked /> recon service ' +
+                            '<input type="radio" name="recon-dialog-heuristic-service" value="relevance" /> relevance service ' +
+                        '</td>' +
+                    '</tr>' +
                 '</table>' +
-                '<p>' +
-                    '<input type="checkbox" checked bind="heuristicAutomatchCheck" /> Auto-match correctly-typed candidates scoring at least ' +
-                    '<input size="3" value="100" bind="heuristicAutomatchScoreInput" />' +
-                '</p>' +
             '</div>' +
             '<div id="recon-dialog-tabs-strict" style="display: none;">' +
                 '<p>Each cell contains:</p>' +
@@ -203,19 +209,24 @@ ReconDialog.prototype._onDoHeuristic = function() {
     if (type == null)  {
         alert("Please specify a type.");
     } else {
-        this._dismiss();
-        
         Gridworks.postProcess(
             "reconcile",
+            {},
             {
-                columnName: this._column.headerLabel, 
-                typeID: type.id, 
-                typeName: type.name,
-                autoMatch: this._elmts.heuristicAutomatchCheck[0].checked,
-                minScore: this._elmts.heuristicAutomatchScoreInput[0].value
-            }, 
-            null,
+                columnName: this._column.headerLabel,
+                config: JSON.stringify({
+                    mode: "heuristic",
+                    service: $('input[name="recon-dialog-heuristic-service"]:checked')[0].value,
+                    type: {
+                        id: type.id, 
+                        name: type.name
+                    },
+                    autoMatch: this._elmts.heuristicAutomatchCheck[0].checked
+                })
+            },
             { cellsChanged: true, columnStatsChanged: true }
         );
+        
+        this._dismiss();
     }
 };
\ No newline at end of file