code: public Vector getVector(String word) {
          word = word.toLowerCase();
          if(objectTable.containsKey(word)) {
              int wordIndex = objectTable.get(word);
              if(wordIndex < syntacticCooccurrence.rows()) {
                  return syntacticCooccurrence.getRowVector(wordIndex);
              }
              // At this section, several exception handlers were removed.  These
              // may have been superfluous, or the code may have relied on them
              // being caught.
          }
          return null;
      }
docs: {@inheritDoc}