diff --git a/src/main/java/com/metaweb/gridworks/browsing/ConjunctiveFilteredRows.java b/src/main/java/com/metaweb/gridworks/browsing/ConjunctiveFilteredRows.java
index c0a1d72f0..55323214f 100644
--- a/src/main/java/com/metaweb/gridworks/browsing/ConjunctiveFilteredRows.java
+++ b/src/main/java/com/metaweb/gridworks/browsing/ConjunctiveFilteredRows.java
@@ -9,10 +9,12 @@ import com.metaweb.gridworks.model.Row;
 
 public class ConjunctiveFilteredRows implements FilteredRows {
     final protected List<RowFilter> _rowFilters = new LinkedList<RowFilter>();
-    final protected boolean            _contextual;
+    final protected boolean         _includeContextual;
+    final protected boolean			_includeDependent;
     
-    public ConjunctiveFilteredRows(boolean contextual) {
-        _contextual = contextual;
+    public ConjunctiveFilteredRows(boolean includeContextual, boolean includeDependent) {
+        _includeContextual = includeContextual;
+        _includeDependent = includeDependent;
     }
     
     public void add(RowFilter rowFilter) {
@@ -20,63 +22,66 @@ public class ConjunctiveFilteredRows implements FilteredRows {
     }
     
     public void accept(Project project, RowVisitor visitor) {
-        if (_contextual) {
-            contextualAccept(project, visitor);
-        } else {
-            simpleAccept(project, visitor);
-        }
-    }
-    
-    protected void simpleAccept(Project project, RowVisitor visitor) {
-        for (int i = 0; i < project.rows.size(); i++) {
-            Row row = project.rows.get(i);
-            
-            boolean ok = true;
-            for (RowFilter rowFilter : _rowFilters) {
-                if (!rowFilter.filterRow(project, i, row)) {
-                    ok = false;
-                    break;
-                }
-            }
-            
-            if (ok) {
-                visitor.visit(project, i, row, false);
-            }
-        }
-    }
-    
-    protected void contextualAccept(Project project, RowVisitor visitor) {
         int lastVisitedRow = -1;
-        
-        for (int i = 0; i < project.rows.size(); i++) {
+    	int lastRecordRowAccepted = -1;
+    	
+    	int c = project.rows.size();
+        for (int i = 0; i < c; i++) {
             Row row = project.rows.get(i);
             
-            boolean ok = true;
-            for (RowFilter rowFilter : _rowFilters) {
-                if (!rowFilter.filterRow(project, i, row)) {
-                    ok = false;
-                    break;
-                }
+            if (checkRow(project, i, row)) {
+            	if (row.recordIndex >= 0) {
+            		// this is a record row itself
+            		
+            		lastRecordRowAccepted = i;
+            	}
+            	
+            	visitRow(project, visitor, i, row, lastVisitedRow);
+            	
+                lastVisitedRow = i;
+            } else if (
+            	_includeDependent &&
+            	row.recordIndex < 0 &&
+            	row.contextRows != null &&
+            	row.contextRows.size() > 0) {
+            	
+            	if (row.contextRows.get(0) == lastRecordRowAccepted) {
+                    visitor.visit(project, i, row, false, true);
+                    lastVisitedRow = i;
+            	}
             }
-            
-            if (ok) {
-                if (row.contextRows != null && lastVisitedRow < i - 1) {
-                    for (int contextRowIndex : row.contextRows) {
-                        if (contextRowIndex > lastVisitedRow) {
-                            visitor.visit(
-                                project, 
-                                contextRowIndex, 
-                                project.rows.get(contextRowIndex), 
-                                true
-                            );
-                            lastVisitedRow = contextRowIndex;
-                        }
+        }
+    }
+    
+    protected void visitRow(Project project, RowVisitor visitor, int rowIndex, Row row, int lastVisitedRow) {
+    	if (_includeContextual) {
+            if (row.contextRows != null && lastVisitedRow < rowIndex - 1) {
+                for (int contextRowIndex : row.contextRows) {
+                    if (contextRowIndex > lastVisitedRow) {
+                        visitor.visit(
+                            project, 
+                            contextRowIndex, 
+                            project.rows.get(contextRowIndex), 
+                            true,
+                            false
+                        );
+                        lastVisitedRow = contextRowIndex;
                     }
                 }
-                
-                visitor.visit(project, i, row, false);
-                lastVisitedRow = i;
+            }
+            
+            visitor.visit(project, rowIndex, row, false, false);
+    	} else {
+            visitor.visit(project, rowIndex, row, false, false);
+    	}
+    }
+    
+    protected boolean checkRow(Project project, int rowIndex, Row row) {
+        for (RowFilter rowFilter : _rowFilters) {
+            if (!rowFilter.filterRow(project, rowIndex, row)) {
+                return false;
             }
         }
+        return true;
     }
 }
diff --git a/src/main/java/com/metaweb/gridworks/browsing/Engine.java b/src/main/java/com/metaweb/gridworks/browsing/Engine.java
index f3de287f5..afa85489a 100644
--- a/src/main/java/com/metaweb/gridworks/browsing/Engine.java
+++ b/src/main/java/com/metaweb/gridworks/browsing/Engine.java
@@ -20,17 +20,18 @@ import com.metaweb.gridworks.model.Project;
 public class Engine implements Jsonizable {
     protected Project         _project;
     protected List<Facet>     _facets = new LinkedList<Facet>();
+    protected boolean		  _includeDependent;
     
     public Engine(Project project) {
         _project  = project;
     }
     
-    public FilteredRows getAllFilteredRows(boolean contextual) {
-        return getFilteredRows(null, contextual);
+    public FilteredRows getAllFilteredRows(boolean includeContextual) {
+        return getFilteredRows(null, includeContextual);
     }
 
-    public FilteredRows getFilteredRows(Facet except, boolean contextual) {
-        ConjunctiveFilteredRows cfr = new ConjunctiveFilteredRows(contextual);
+    public FilteredRows getFilteredRows(Facet except, boolean includeContextual) {
+        ConjunctiveFilteredRows cfr = new ConjunctiveFilteredRows(includeContextual, _includeDependent);
         for (Facet facet : _facets) {
             if (facet != except) {
                 RowFilter rowFilter = facet.getRowFilter();
@@ -64,6 +65,10 @@ public class Engine implements Jsonizable {
                 _facets.add(facet);
             }
         }
+        
+        if (o.has("includeDependent") && !o.isNull("includeDependent")) {
+        	_includeDependent = o.getBoolean("includeDependent");
+        }
     }
     
     public void computeFacets() throws JSONException {
@@ -78,11 +83,13 @@ public class Engine implements Jsonizable {
             throws JSONException {
         
         writer.object();
-        writer.key("facets"); writer.array();
-        for (Facet facet : _facets) {
-            facet.write(writer, options);
-        }
-        writer.endArray();
+        writer.key("facets");
+	        writer.array();
+	        for (Facet facet : _facets) {
+	            facet.write(writer, options);
+	        }
+	        writer.endArray();
+        writer.key("includeDependent"); writer.value(_includeDependent);
         writer.endObject();
     }
 }
diff --git a/src/main/java/com/metaweb/gridworks/browsing/RowVisitor.java b/src/main/java/com/metaweb/gridworks/browsing/RowVisitor.java
index 80b3263c5..9f160a2cd 100644
--- a/src/main/java/com/metaweb/gridworks/browsing/RowVisitor.java
+++ b/src/main/java/com/metaweb/gridworks/browsing/RowVisitor.java
@@ -4,6 +4,11 @@ import com.metaweb.gridworks.model.Project;
 import com.metaweb.gridworks.model.Row;
 
 public interface RowVisitor {
-    public boolean visit(Project project, int rowIndex, Row row, boolean contextual);
-
+    public boolean visit(
+		Project project, 
+		int 	rowIndex,   // zero-based row index 
+		Row 	row, 
+		boolean contextual, // true if this row is included because it's the context row of an included row
+		boolean dependent   // true if this row is included because it depends on an included row
+    );
 }
diff --git a/src/main/java/com/metaweb/gridworks/browsing/facets/ExpressionNominalRowGrouper.java b/src/main/java/com/metaweb/gridworks/browsing/facets/ExpressionNominalRowGrouper.java
index abf687a6d..cd063fc3b 100644
--- a/src/main/java/com/metaweb/gridworks/browsing/facets/ExpressionNominalRowGrouper.java
+++ b/src/main/java/com/metaweb/gridworks/browsing/facets/ExpressionNominalRowGrouper.java
@@ -25,7 +25,7 @@ public class ExpressionNominalRowGrouper implements RowVisitor {
         _cellIndex = cellIndex;
     }
     
-    public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
+    public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
         Cell cell = _cellIndex < 0 ? null : row.getCell(_cellIndex);
 
         Properties bindings = ExpressionUtils.createBindings(project);
diff --git a/src/main/java/com/metaweb/gridworks/browsing/facets/ExpressionNumericRowBinner.java b/src/main/java/com/metaweb/gridworks/browsing/facets/ExpressionNumericRowBinner.java
index 4af316717..2add2c968 100644
--- a/src/main/java/com/metaweb/gridworks/browsing/facets/ExpressionNumericRowBinner.java
+++ b/src/main/java/com/metaweb/gridworks/browsing/facets/ExpressionNumericRowBinner.java
@@ -28,7 +28,7 @@ public class ExpressionNumericRowBinner implements RowVisitor {
         bins = new int[_index.getBins().length];
     }
     
-    public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
+    public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
         Cell cell = row.getCell(_cellIndex);
 
         Properties bindings = ExpressionUtils.createBindings(project);
diff --git a/src/main/java/com/metaweb/gridworks/clustering/binning/BinningClusterer.java b/src/main/java/com/metaweb/gridworks/clustering/binning/BinningClusterer.java
index 4a1aa8d9f..f3a934148 100644
--- a/src/main/java/com/metaweb/gridworks/clustering/binning/BinningClusterer.java
+++ b/src/main/java/com/metaweb/gridworks/clustering/binning/BinningClusterer.java
@@ -62,7 +62,7 @@ public class BinningClusterer extends Clusterer {
             }
         }
         
-        public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
+        public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
             Cell cell = row.getCell(_colindex);
             if (cell != null && cell.value != null) {
                 String v = cell.value.toString();
diff --git a/src/main/java/com/metaweb/gridworks/clustering/knn/kNNClusterer.java b/src/main/java/com/metaweb/gridworks/clustering/knn/kNNClusterer.java
index d89f49950..c721967b9 100644
--- a/src/main/java/com/metaweb/gridworks/clustering/knn/kNNClusterer.java
+++ b/src/main/java/com/metaweb/gridworks/clustering/knn/kNNClusterer.java
@@ -76,7 +76,7 @@ public class kNNClusterer extends Clusterer {
             }
         }
         
-        public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
+        public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
             Cell cell = row.cells.get(_colindex);
             if (cell != null && cell.value != null) {
                 Object v = cell.value;
@@ -114,7 +114,7 @@ public class kNNClusterer extends Clusterer {
             }
         }
         
-        public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
+        public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
             Cell cell = row.getCell(_colindex);
             if (cell != null && cell.value != null) {
                 Object v = cell.value;
diff --git a/src/main/java/com/metaweb/gridworks/commands/info/GetRowsCommand.java b/src/main/java/com/metaweb/gridworks/commands/info/GetRowsCommand.java
index c6b4851e4..1b587557c 100644
--- a/src/main/java/com/metaweb/gridworks/commands/info/GetRowsCommand.java
+++ b/src/main/java/com/metaweb/gridworks/commands/info/GetRowsCommand.java
@@ -53,7 +53,7 @@ public class GetRowsCommand extends Command {
                     }
                     
                     @Override
-                    public boolean internalVisit(int rowIndex, Row row, boolean contextual) {
+                    public boolean internalVisit(int rowIndex, Row row, boolean contextual, boolean includeDependent) {
                         try {
                             if (contextual) {
                                 options.put("extra", extra);
@@ -99,19 +99,19 @@ public class GetRowsCommand extends Command {
             this.limit = limit;
         }
         
-        public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
+        public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
             boolean r = false;
             
             if (total >= start && total < start + limit) {
-                r = internalVisit(rowIndex, row, contextual);
+                r = internalVisit(rowIndex, row, includeContextual, includeDependent);
             }
-            if (!contextual) {
+            if (!includeContextual) {
                 total++;
             }
             return r;
         }
         
-        protected boolean internalVisit(int rowIndex, Row row, boolean contextual) {
+        protected boolean internalVisit(int rowIndex, Row row, boolean contextual, boolean includeDependent) {
             return false;
         }
     }
diff --git a/src/main/java/com/metaweb/gridworks/exporters/TsvExporter.java b/src/main/java/com/metaweb/gridworks/exporters/TsvExporter.java
index ca8a35398..7857ab419 100644
--- a/src/main/java/com/metaweb/gridworks/exporters/TsvExporter.java
+++ b/src/main/java/com/metaweb/gridworks/exporters/TsvExporter.java
@@ -38,7 +38,7 @@ public class TsvExporter implements Exporter {
                     return this;
                 }
                 
-                public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
+                public boolean visit(Project project, int rowIndex, Row row, boolean contextual, boolean includeDependent) {
                     boolean first = true;
                     try {
                         for (Column column : project.columnModel.columns) {
diff --git a/src/main/java/com/metaweb/gridworks/model/Project.java b/src/main/java/com/metaweb/gridworks/model/Project.java
index c7d63915f..623cf8c33 100644
--- a/src/main/java/com/metaweb/gridworks/model/Project.java
+++ b/src/main/java/com/metaweb/gridworks/model/Project.java
@@ -246,13 +246,17 @@ public class Project {
             lastNonBlankRowsByGroup[i] = -1;
         }
         
+        int rowCount = rows.size();
+        int groupCount = keyedGroups.size();
+        
         int recordIndex = 0;
-        for (int r = 0; r < rows.size(); r++) {
+        for (int r = 0; r < rowCount; r++) {
             Row row = rows.get(r);
+            row.contextRows = null;
             row.contextRowSlots = null;
             row.contextCellSlots = null;
             
-            for (int g = 0; g < keyedGroups.size(); g++) {
+            for (int g = 0; g < groupCount; g++) {
                 Group group = keyedGroups.get(g);
                 
                 if (!ExpressionUtils.isNonBlankData(row.getCellValue(group.keyCellIndex))) {
@@ -296,6 +300,7 @@ public class Project {
             
             rootKeyedGroup.cellIndices = new int[count - 1];
             rootKeyedGroup.keyCellIndex = columnModel.columns.get(columnModel.getKeyColumnIndex()).getCellIndex();
+
             for (int i = 0; i < count; i++) {
                 if (i < rootKeyedGroup.keyCellIndex) {
                     rootKeyedGroup.cellIndices[i] = i;
diff --git a/src/main/java/com/metaweb/gridworks/operations/ColumnAdditionOperation.java b/src/main/java/com/metaweb/gridworks/operations/ColumnAdditionOperation.java
index cec825294..5010e07d1 100644
--- a/src/main/java/com/metaweb/gridworks/operations/ColumnAdditionOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/ColumnAdditionOperation.java
@@ -121,10 +121,10 @@ public class ColumnAdditionOperation extends EngineDependentOperation {
         Properties bindings = ExpressionUtils.createBindings(project);
         
         return new RowVisitor() {
-            int                 cellIndex;
-            Properties             bindings;
-            List<CellAtRow>     cellsAtRows;
-            Evaluable             eval;
+            int              cellIndex;
+            Properties       bindings;
+            List<CellAtRow>  cellsAtRows;
+            Evaluable        eval;
             
             public RowVisitor init(int cellIndex, Properties bindings, List<CellAtRow> cellsAtRows, Evaluable eval) {
                 this.cellIndex = cellIndex;
@@ -134,7 +134,7 @@ public class ColumnAdditionOperation extends EngineDependentOperation {
                 return this;
             }
             
-            public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
+            public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
                 Cell cell = row.getCell(cellIndex);
 
                 ExpressionUtils.bind(bindings, row, rowIndex, cell);
diff --git a/src/main/java/com/metaweb/gridworks/operations/MassEditOperation.java b/src/main/java/com/metaweb/gridworks/operations/MassEditOperation.java
index ed3e8c3ef..08d21e8ee 100644
--- a/src/main/java/com/metaweb/gridworks/operations/MassEditOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/MassEditOperation.java
@@ -163,7 +163,7 @@ public class MassEditOperation extends EngineDependentMassCellOperation {
                 return this;
             }
             
-            public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
+            public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
                 Cell cell = row.getCell(cellIndex);
 
                 ExpressionUtils.bind(bindings, row, rowIndex, cell);
diff --git a/src/main/java/com/metaweb/gridworks/operations/ReconDiscardJudgmentsOperation.java b/src/main/java/com/metaweb/gridworks/operations/ReconDiscardJudgmentsOperation.java
index 0eacc7b9d..861922560 100644
--- a/src/main/java/com/metaweb/gridworks/operations/ReconDiscardJudgmentsOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/ReconDiscardJudgmentsOperation.java
@@ -69,7 +69,7 @@ public class ReconDiscardJudgmentsOperation extends EngineDependentMassCellOpera
                 return this;
             }
             
-            public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
+            public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
                 Cell cell = row.getCell(cellIndex);
                 if (cell != null && cell.recon != null) {
                     Recon recon = cell.recon.dup();
diff --git a/src/main/java/com/metaweb/gridworks/operations/ReconJudgeSimilarCellsOperation.java b/src/main/java/com/metaweb/gridworks/operations/ReconJudgeSimilarCellsOperation.java
index d45493163..87b311487 100644
--- a/src/main/java/com/metaweb/gridworks/operations/ReconJudgeSimilarCellsOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/ReconJudgeSimilarCellsOperation.java
@@ -159,7 +159,7 @@ public class ReconJudgeSimilarCellsOperation extends EngineDependentMassCellOper
                 return this;
             }
             
-            public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
+            public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
                 Cell cell = row.getCell(_cellIndex);
                 if (cell != null && 
                     ExpressionUtils.isNonBlankData(cell.value) && 
diff --git a/src/main/java/com/metaweb/gridworks/operations/ReconMarkNewTopicsOperation.java b/src/main/java/com/metaweb/gridworks/operations/ReconMarkNewTopicsOperation.java
index 4248df511..2a636fbe1 100644
--- a/src/main/java/com/metaweb/gridworks/operations/ReconMarkNewTopicsOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/ReconMarkNewTopicsOperation.java
@@ -82,7 +82,7 @@ public class ReconMarkNewTopicsOperation extends EngineDependentMassCellOperatio
                 return this;
             }
             
-            public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
+            public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
                 Cell cell = row.getCell(cellIndex);
                 if (cell != null) {
                     Recon recon = null;
diff --git a/src/main/java/com/metaweb/gridworks/operations/ReconMatchBestCandidatesOperation.java b/src/main/java/com/metaweb/gridworks/operations/ReconMatchBestCandidatesOperation.java
index dd475a4ab..34f88636b 100644
--- a/src/main/java/com/metaweb/gridworks/operations/ReconMatchBestCandidatesOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/ReconMatchBestCandidatesOperation.java
@@ -69,7 +69,7 @@ public class ReconMatchBestCandidatesOperation extends EngineDependentMassCellOp
                 return this;
             }
             
-            public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
+            public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
                 if (cellIndex < row.cells.size()) {
                     Cell cell = row.cells.get(cellIndex);
                     if (cell.recon != null) {
diff --git a/src/main/java/com/metaweb/gridworks/operations/ReconMatchSpecificTopicOperation.java b/src/main/java/com/metaweb/gridworks/operations/ReconMatchSpecificTopicOperation.java
index 3d3307192..3aace050b 100644
--- a/src/main/java/com/metaweb/gridworks/operations/ReconMatchSpecificTopicOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/ReconMatchSpecificTopicOperation.java
@@ -103,7 +103,7 @@ public class ReconMatchSpecificTopicOperation extends EngineDependentMassCellOpe
                 return this;
             }
             
-            public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
+            public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
                 if (cellIndex < row.cells.size()) {
                     Cell cell = row.cells.get(cellIndex);
                     
diff --git a/src/main/java/com/metaweb/gridworks/operations/ReconOperation.java b/src/main/java/com/metaweb/gridworks/operations/ReconOperation.java
index d8bb36ca5..ae29a582a 100644
--- a/src/main/java/com/metaweb/gridworks/operations/ReconOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/ReconOperation.java
@@ -170,7 +170,7 @@ public class ReconOperation extends EngineDependentOperation {
             
             FilteredRows filteredRows = engine.getAllFilteredRows(false);
             filteredRows.accept(_project, new RowVisitor() {
-                public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
+                public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
                     if (_cellIndex < row.cells.size()) {
                         Cell cell = row.cells.get(_cellIndex);
                         if (cell != null && ExpressionUtils.isNonBlankData(cell.value)) {
diff --git a/src/main/java/com/metaweb/gridworks/operations/RowStarOperation.java b/src/main/java/com/metaweb/gridworks/operations/RowStarOperation.java
index 0e650e3ff..f122ed00d 100644
--- a/src/main/java/com/metaweb/gridworks/operations/RowStarOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/RowStarOperation.java
@@ -77,7 +77,7 @@ public class RowStarOperation extends EngineDependentOperation {
                 return this;
             }
             
-            public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
+            public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
                 if (row.starred != _starred) {
                     RowStarChange change = new RowStarChange(rowIndex, _starred);
                     
diff --git a/src/main/java/com/metaweb/gridworks/operations/TextTransformOperation.java b/src/main/java/com/metaweb/gridworks/operations/TextTransformOperation.java
index 71a92a107..2ff4dabf6 100644
--- a/src/main/java/com/metaweb/gridworks/operations/TextTransformOperation.java
+++ b/src/main/java/com/metaweb/gridworks/operations/TextTransformOperation.java
@@ -118,7 +118,7 @@ public class TextTransformOperation extends EngineDependentMassCellOperation {
                 return this;
             }
             
-            public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
+            public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
                 Cell cell = row.getCell(cellIndex);
                 Object oldValue = cell != null ? cell.value : null;
 
diff --git a/src/main/webapp/scripts/project/browsing-engine.js b/src/main/webapp/scripts/project/browsing-engine.js
index 5ef5078d0..5203b3e63 100644
--- a/src/main/webapp/scripts/project/browsing-engine.js
+++ b/src/main/webapp/scripts/project/browsing-engine.js
@@ -42,7 +42,10 @@ BrowsingEngine.prototype._initializeUI = function() {
     
     this._div.html(
         '<div class="browsing-panel-indicator" bind="indicator"><img src="images/small-spinner.gif" /> refreshing facets ...</div>' +
-        '<div class="browsing-panel-controls" bind="controls"><a href="javascript:{}" bind="refreshLink">refresh facets</a></div>' +
+        '<div class="browsing-panel-controls" bind="controls">' +
+            '<input type="checkbox" bind="includeDependentRowsCheck" /> show dependent rows &bull; ' +
+            '<a href="javascript:{}" bind="refreshLink">refresh</a></div>' +
+        '</div>' +
         '<ul bind="facets" class="facets-container"></ul>'
     );
     this._elmts = DOM.bind(this._div);
@@ -54,6 +57,10 @@ BrowsingEngine.prototype._initializeUI = function() {
     });
     this._elmts.facets.disableSelection();
     
+    this._elmts.includeDependentRowsCheck.change(function() {
+        Gridworks.update({ engineChanged: true });
+    });
+    
     this._elmts.refreshLink.click(function() { self.update(); });
 };
 
@@ -73,7 +80,10 @@ BrowsingEngine.prototype._updateFacetOrder = function() {
 };
 
 BrowsingEngine.prototype.getJSON = function(keepUnrestrictedFacets) {
-    var a = { facets: [] };
+    var a = {
+        facets: [],
+        includeDependent: this._elmts.includeDependentRowsCheck[0].checked
+    };
     for (var i = 0; i < this._facets.length; i++) {
         var facet = this._facets[i];
         if (keepUnrestrictedFacets || facet.facet.hasSelection()) {