Author: dligach
Date: Wed Sep 18 20:04:27 2013
New Revision: 1524552
URL: http://svn.apache.org/r1524552
Log:
added two rules to filter out non-duration patterns
Modified:
ctakes/trunk/ctakes-temporal/src/main/java/org/apache/ctakes/temporal/data/analysis/SignSymptomDurations.java
Modified:
ctakes/trunk/ctakes-temporal/src/main/java/org/apache/ctakes/temporal/data/analysis/SignSymptomDurations.java
URL:
http://svn.apache.org/viewvc/ctakes/trunk/ctakes-temporal/src/main/java/org/apache/ctakes/temporal/data/analysis/SignSymptomDurations.java?rev=1524552&r1=1524551&r2=1524552&view=diff
==============================================================================
---
ctakes/trunk/ctakes-temporal/src/main/java/org/apache/ctakes/temporal/data/analysis/SignSymptomDurations.java
(original)
+++
ctakes/trunk/ctakes-temporal/src/main/java/org/apache/ctakes/temporal/data/analysis/SignSymptomDurations.java
Wed Sep 18 20:04:27 2013
@@ -105,7 +105,10 @@ public class SignSymptomDurations {
for(SignSymptomMention signSymptomMention : JCasUtil.select(jCas,
SignSymptomMention.class)) {
if(signSymptomMention.getCoveredText().equals(signSymptomText)) {
-
+ if(isNegated(jCas, signSymptomMention) || isMedicationPattern(jCas,
signSymptomMention)) {
+ continue;
+ }
+
TimeMention nearestTimeMention = getNearestTimeMention(jCas,
signSymptomMention);
if(nearestTimeMention != null) {
Matcher matcher =
pattern.matcher(nearestTimeMention.getCoveredText());
@@ -122,8 +125,38 @@ public class SignSymptomDurations {
if(durationDistribution.size() > 0) {
// System.out.println(signSymptomText + "," +
convertToString(durationDistribution));
- // System.out.println(signSymptomText + ": " + durationDistribution);
+ System.out.println(signSymptomText + ": " + durationDistribution);
+ }
+ }
+
+ /**
+ * Return true if sign/symptom is negated.
+ * TODO: using rules for now; switch to using a negation module
+ */
+ private static boolean isNegated(JCas jCas, SignSymptomMention
signSymptomMention) {
+
+ for(BaseToken token : JCasUtil.selectPreceding(jCas, BaseToken.class,
signSymptomMention, 3)) {
+ if(token.getCoveredText().equals("no")) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Return true of this is a medication pattern.
+ * E.g. five (5) ml po qid (4 times a day) as needed for heartburn for 2
weeks.
+ */
+ private static boolean isMedicationPattern(JCas jCas, SignSymptomMention
signSymptomMention) {
+
+ for(BaseToken token : JCasUtil.selectPreceding(jCas, BaseToken.class,
signSymptomMention, 1)) {
+ if(token.getCoveredText().equals("for")) {
+ return true;
+ }
}
+
+ return false;
}
/**
