diff --git a/src/main/java/com/metaweb/gridworks/GridworksServlet.java b/src/main/java/com/metaweb/gridworks/GridworksServlet.java
index d29a9582e..f5d8f078d 100644
--- a/src/main/java/com/metaweb/gridworks/GridworksServlet.java
+++ b/src/main/java/com/metaweb/gridworks/GridworksServlet.java
@@ -16,6 +16,7 @@ import org.json.JSONTokener;
 
 import com.metaweb.gridworks.commands.Command;
 import com.metaweb.gridworks.commands.edit.AddColumnCommand;
+import com.metaweb.gridworks.commands.edit.ApplyOperationsCommand;
 import com.metaweb.gridworks.commands.edit.CreateProjectCommand;
 import com.metaweb.gridworks.commands.edit.DoTextTransformCommand;
 import com.metaweb.gridworks.commands.edit.JoinMultiValueCellsCommand;
@@ -60,6 +61,8 @@ public class GridworksServlet extends HttpServlet {
 		_commands.put("get-operations", new GetOperationsCommand());
 		
 		_commands.put("undo-redo", new UndoRedoCommand());
+		_commands.put("apply-operations", new ApplyOperationsCommand());
+		
 		_commands.put("compute-facets", new ComputeFacetsCommand());
 		_commands.put("do-text-transform", new DoTextTransformCommand());
 		
diff --git a/src/main/java/com/metaweb/gridworks/commands/edit/ApplyOperationsCommand.java b/src/main/java/com/metaweb/gridworks/commands/edit/ApplyOperationsCommand.java
new file mode 100644
index 000000000..fc43836e6
--- /dev/null
+++ b/src/main/java/com/metaweb/gridworks/commands/edit/ApplyOperationsCommand.java
@@ -0,0 +1,118 @@
+package com.metaweb.gridworks.commands.edit;
+
+import java.io.IOException;
+import java.util.Properties;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import com.metaweb.gridworks.commands.Command;
+import com.metaweb.gridworks.model.AbstractOperation;
+import com.metaweb.gridworks.model.Project;
+import com.metaweb.gridworks.model.operations.ApproveNewReconOperation;
+import com.metaweb.gridworks.model.operations.ApproveReconOperation;
+import com.metaweb.gridworks.model.operations.ColumnAdditionOperation;
+import com.metaweb.gridworks.model.operations.ColumnRemovalOperation;
+import com.metaweb.gridworks.model.operations.DiscardReconOperation;
+import com.metaweb.gridworks.model.operations.MultiValueCellJoinOperation;
+import com.metaweb.gridworks.model.operations.MultiValueCellSplitOperation;
+import com.metaweb.gridworks.model.operations.ReconOperation;
+import com.metaweb.gridworks.model.operations.SaveProtographOperation;
+import com.metaweb.gridworks.model.operations.TextTransformOperation;
+import com.metaweb.gridworks.process.Process;
+import com.metaweb.gridworks.protograph.Protograph;
+
+public class ApplyOperationsCommand extends Command {
+	
+	@Override
+	public void doPost(HttpServletRequest request, HttpServletResponse response)
+			throws ServletException, IOException {
+		
+		Project project = getProject(request);
+		String jsonString = request.getParameter("operations");
+		try {
+			JSONArray a = jsonStringToArray(jsonString);
+			int count = a.length();
+			for (int i = 0; i < count; i++) {
+				JSONObject obj = a.getJSONObject(i);
+				
+				reconstructOperation(project, obj);
+			}
+
+			respond(response, "{ \"code\" : \"pending\" }");
+		} catch (JSONException e) {
+			respondException(response, e);
+		}
+	}
+	
+	protected void reconstructOperation(Project project, JSONObject obj) {
+		try {
+			String op = obj.getString("op");
+			AbstractOperation operation = null;
+			
+			JSONObject engineConfig = obj.has("engineConfig") ? obj.getJSONObject("engineConfig") : null;
+			String columnName = obj.has("columnName") ? obj.getString("columnName") : null;
+			
+			if ("approve-new-recon".equals(op)) {
+				operation = new ApproveNewReconOperation(engineConfig, columnName);
+			} else if ("approve-recon".equals(op)) {
+				operation = new ApproveReconOperation(engineConfig, columnName);
+			} else if ("add-column".equals(op)) {
+				operation = new ColumnAdditionOperation(
+					engineConfig,
+					obj.getString("baseColumnName"),
+					obj.getString("expression"),
+					obj.getString("headerLabel"),
+					obj.getInt("columnInsertIndex")
+				);
+			} else if ("remove-column".equals(op)) {
+				operation = new ColumnRemovalOperation(columnName);
+			} else if ("discard-recon".equals(op)) {
+				operation = new DiscardReconOperation(engineConfig, columnName);
+			} else if ("join-multivalued-cells".equals(op)) {
+				operation = new MultiValueCellJoinOperation(
+					columnName,
+					obj.getString("keyColumnName"),
+					obj.getString("separator")
+				);
+			} else if ("split-multivalued-cells".equals(op)) {
+				operation = new MultiValueCellSplitOperation(
+					columnName,
+					obj.getString("keyColumnName"),
+					obj.getString("separator"),
+					obj.getString("mode")
+				);
+			} else if ("recon".equals(op)) {
+				operation = new ReconOperation(
+					engineConfig, 
+					columnName,
+					obj.getString("typeID")
+				);
+			} else if ("save-protograph".equals(op)) {
+				operation = new SaveProtographOperation(
+					Protograph.reconstruct(obj.getJSONObject("protograph"))
+				);
+			} else if ("text-transform".equals(op)) {
+				operation = new TextTransformOperation(
+					engineConfig, 
+					columnName,
+					obj.getString("expression")
+				);
+			}
+			
+			if (operation != null) {
+				Process process = operation.createProcess(project, new Properties());
+				
+				project.processManager.queueProcess(process);
+			}
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		
+	}
+}
diff --git a/src/main/java/com/metaweb/gridworks/model/operations/DiscardReconOperation.java b/src/main/java/com/metaweb/gridworks/model/operations/DiscardReconOperation.java
index 51b8f3a9b..fcb709c59 100644
--- a/src/main/java/com/metaweb/gridworks/model/operations/DiscardReconOperation.java
+++ b/src/main/java/com/metaweb/gridworks/model/operations/DiscardReconOperation.java
@@ -25,8 +25,8 @@ public class DiscardReconOperation extends EngineDependentMassCellOperation {
 			throws JSONException {
 		
 		writer.object();
-		writer.key("op"); writer.value("disapprove-recon");
-		writer.key("description"); writer.value("Discard recon judgments in column " + _columnName);
+		writer.key("op"); writer.value("discard-recon");
+		writer.key("description"); writer.value("Discard recon matches in column " + _columnName);
 		writer.key("engineConfig"); writer.value(getEngineConfig());
 		writer.key("columnName"); writer.value(_columnName);
 		writer.endObject();
diff --git a/src/main/webapp/scripts/project/history-widget.js b/src/main/webapp/scripts/project/history-widget.js
index e65faa11f..6fff05f96 100644
--- a/src/main/webapp/scripts/project/history-widget.js
+++ b/src/main/webapp/scripts/project/history-widget.js
@@ -18,15 +18,26 @@ HistoryWidget.prototype._render = function() {
     var self = this;
     
     this._div.empty();
+    this._div.unbind();
     
     $('<h3>Undo/Redo History</h3>').appendTo(this._div);
     
     var bodyDiv = $('<div></div>').addClass("history-panel-body").appendTo(this._div);
     bodyDiv.mouseenter(function(evt) {
-        $(this).addClass("history-panel-body-expanded");
+        bodyDiv.addClass("history-panel-body-expanded");
+    });
+    
+    this._div.mouseenter(function(evt) {
+        if (self._timerID != null) {
+            window.clearTimeout(self._timerID);
+            self._timerID = null;
+        }
     }).mouseleave(function(evt) {
-        $(this).removeClass("history-panel-body-expanded");
-        autoscroll();
+        self._timerID = window.setTimeout(function() {
+            self._timerID = null;
+            bodyDiv.removeClass("history-panel-body-expanded");
+            autoscroll();
+        }, 1000);
     });
     
     var renderEntry = function(container, entry, lastDoneID, title) {
@@ -71,7 +82,7 @@ HistoryWidget.prototype._render = function() {
     });
     $('<span> &bull; </span>').appendTo(footerDiv);
     $('<a href="javascript:{}"></a>').text("apply").appendTo(footerDiv).click(function() {
-        self._applyOperations();
+        self._showApplyOperationsDialog();
     });
 };
 
@@ -99,22 +110,26 @@ HistoryWidget.prototype._extractOperations = function() {
         null,
         function(data) {
             if ("operations" in data) {
-                self._showOperationsDialog(data.operations);
+                self._showExtractOperationsDialog(data.operations);
             }
         },
         "jsonp"
     );
 };
 
-HistoryWidget.prototype._showOperationsDialog = function(json) {
+HistoryWidget.prototype._showExtractOperationsDialog = function(json) {
     var self = this;
     var frame = DialogSystem.createDialog();
     frame.width("800px");
     
-    var header = $('<div></div>').addClass("dialog-header").text("Operations").appendTo(frame);
+    var header = $('<div></div>').addClass("dialog-header").text("Extract Operations").appendTo(frame);
     var body = $('<div></div>').addClass("dialog-body").appendTo(frame);
     var footer = $('<div></div>').addClass("dialog-footer").appendTo(frame);
     
+    $('<p></p>').text(
+        "The following JSON code encodes the operations you have done that can be abstracted. " + 
+        "You can copy and save it in order to apply the same operations in the future.").appendTo(body);
+        
     var textarea = $('<textarea />').attr("wrap", "hard").width("100%").height("400px").appendTo(body);
     textarea.text(JSON.stringify(json, null, 2));
     
@@ -124,5 +139,51 @@ HistoryWidget.prototype._showOperationsDialog = function(json) {
     
     var level = DialogSystem.showDialog(frame);
     
+    textarea[0].select();
+};
+
+HistoryWidget.prototype._showApplyOperationsDialog = function(json) {
+    var self = this;
+    var frame = DialogSystem.createDialog();
+    frame.width("800px");
+    
+    var header = $('<div></div>').addClass("dialog-header").text("Apply Operations").appendTo(frame);
+    var body = $('<div></div>').addClass("dialog-body").appendTo(frame);
+    var footer = $('<div></div>').addClass("dialog-footer").appendTo(frame);
+    
+    $('<p></p>').text(
+        "Paste the JSON code encoding the operations to perform.").appendTo(body);
+        
+    var textarea = $('<textarea />').attr("wrap", "hard").width("100%").height("400px").appendTo(body);
+    textarea.text(JSON.stringify(json, null, 2));
+    
+    $('<button></button>').text("Apply").click(function() {
+        try {
+            var json = JSON.parse(textarea[0].value);
+        } catch (e) {
+            alert("The JSON you pasted is invalid.");
+            return;
+        }
+        
+        DialogSystem.dismissUntil(level - 1);
+        
+        $.post(
+            "/command/apply-operations?" + $.param({ project: theProject.id }),
+            { operations: JSON.stringify(json) },
+            function(data) {
+                self.update();
+                ui.dataTableView.update(true);
+                ui.processWidget.update();
+            },
+            "json"
+        );
+    }).appendTo(footer);
+    
+    $('<button></button>').text("Cancel").click(function() {
+        DialogSystem.dismissUntil(level - 1);
+    }).appendTo(footer);
+    
+    var level = DialogSystem.showDialog(frame);
+    
     textarea[0].focus();
 };