Revision: 19225
http://sourceforge.net/p/gate/code/19225
Author: domrout
Date: 2016-04-11 14:35:02 +0000 (Mon, 11 Apr 2016)
Log Message:
-----------
Add support for text strings as features in the classification annotation
Modified Paths:
--------------
gate/trunk/plugins/Crowd_Sourcing/src/gate/crowdsource/rest/CrowdFlowerClient.java
Modified:
gate/trunk/plugins/Crowd_Sourcing/src/gate/crowdsource/rest/CrowdFlowerClient.java
===================================================================
---
gate/trunk/plugins/Crowd_Sourcing/src/gate/crowdsource/rest/CrowdFlowerClient.java
2016-04-11 01:22:12 UTC (rev 19224)
+++
gate/trunk/plugins/Crowd_Sourcing/src/gate/crowdsource/rest/CrowdFlowerClient.java
2016-04-11 14:35:02 UTC (rev 19225)
@@ -15,10 +15,7 @@
import static gate.crowdsource.CrowdFlowerConstants.*;
-import gate.Annotation;
-import gate.AnnotationSet;
-import gate.Document;
-import gate.Utils;
+import gate.*;
import gate.util.GateRuntimeException;
import java.io.ByteArrayOutputStream;
@@ -149,6 +146,60 @@
/**
* <p>
+ * Generates the text required to display the context for a
classification,
+ * either based on the document content, or on features present in the
annotation.
+ *
+ * If any of leftContext, rightContext, or entity are set as features on
the annotation,
+ * the text will be generated using those.
+ *
+ * If none of these are present, the contents of the context and target
feature will be
+ * combined to give the document text used.
+ * </p>
+ * @param doc The document containing text that will be used if needed
+ * @param context The context annotation in which the entity will be couched
+ * @param target The target entity to display.
+ * @return
+ */
+ private String createClassificationUnitText(Document doc, Annotation context,
+ Annotation target) {
+ FeatureMap targetFeatures = target.getFeatures();
+
+ try {
+ // Fill in each part of the text individually, starting with the entity
itself.
+ String entity; // No initialiser needed as we're guaranteed to overwrite
it.
+
+ if (targetFeatures.containsKey("entity")) {
+ entity = (String) targetFeatures.get("entity");
+ } else {
+ entity = Utils.stringFor(doc, target);
+ }
+
+ // Look for the left context.
+ String leftContext = "";
+
+ if (targetFeatures.containsKey("leftContext")) {
+ leftContext = (String) targetFeatures.get("leftContext");
+ } else if (context != null) {
+ leftContext = Utils.stringFor(doc, Utils.start(context),
Utils.start(target));
+ }
+
+ // Look for the right context.
+ String rightContext = "";
+
+ if (targetFeatures.containsKey("rightContext")) {
+ rightContext = (String) targetFeatures.get("rightContext");
+ } else if (context != null) {
+ rightContext = Utils.stringFor(doc, Utils.end(target),
Utils.end(context));
+ }
+
+ return leftContext + "<span class=\"gate-entity\">" + entity + "</span>"
+ rightContext;
+ } catch (ClassCastException e) {
+ throw new ClassCastException("Features entity, leftContext and
rightContext must be String, if provided.");
+ }
+
+ }
+ /**
+ * <p>
* Create a single unit in a classification job for the given
* annotation. If the unit is created successfully, its ID will be
* stored as a {@link Long} valued feature named <code>cf_unit</code>
@@ -176,6 +227,13 @@
* created - typically things like "none" (none of the available
* options is correct) or "nae" (the target is not an entity).
* </p>
+ *
+ * <p>
+ * If the target annotation has a feature named "leftContext", "rightContext"
+ * or "entity", these will be used to generate the entity text for display.
+ * Otherwise, the text will be taken from the document, as covered by the
+ * context and target annotations.
+ * </p>
*
* @param jobId the CrowdFlower job ID
* @param doc the document containing the annotation
@@ -191,17 +249,20 @@
*/
public long createClassificationUnit(long jobId, Document doc, String asName,
Annotation context, Annotation target) {
- String text = Utils.stringFor(doc, context);
- String entity = Utils.stringFor(doc, target);
+
+ String entity; // No initialiser needed as we're guaranteed to overwrite
it.
+
+ if (target.getFeatures().containsKey("entity")) {
+ entity = (String) target.getFeatures().get("entity");
+ } else {
+ entity = Utils.stringFor(doc, target);
+ }
+
+ String text = createClassificationUnitText(doc, context, target);
+
String documentId = String.valueOf(doc.getLRPersistenceId());
int formDataSize = 10; // text + entity + docId + asName + annId
- // insert highlight span into text
- int entityStart = (int)(Utils.start(target) - Utils.start(context));
- int entityEnd = entityStart + entity.length();
- text =
- text.substring(0, entityStart) + "<span class=\"gate-entity\">"
- + entity + "</span>" + text.substring(entityEnd);
Object options = target.getFeatures().get("options");
if(options != null) {
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