String docName = DocumentIDAnnotationUtil.getDocumentID(jcas);
Iterator ssIter = indexes.getAnnotationIndex(SESentence.type).iterator();
while(ssIter.hasNext()) {
SESentence ss = (SESentence) ssIter.next();
String ssText = ss.getCoveredText().trim();
String ssSpan = Integer.toString(ss.getBegin()) + ":"
+ Integer.toString(ss.getEnd());
String output = docName + iv_delimiter + ssText + iv_delimiter
+ ssSpan;
iv_bw.write(output+"\n");