public String similarPOS()

in opennlp-similarity/src/main/java/opennlp/tools/textsimilarity/POSManager.java [25:63]

34 lines of code
23 McCabe index (conditional complexity)


  public String similarPOS(String pos1, String pos2) {
    if ((pos1.startsWith("NN") && pos2.equals("NP") || pos2.startsWith("NN")
        && pos1.equals("NP"))) {
      return "NN";
    }
    if ((pos1.startsWith("NN") && pos2.equals("VBG") || pos2.startsWith("VBG")
        && pos1.equals("NN"))) {
      return "NN";
    }

    if ((pos1.startsWith("NN") && pos2.equals("ADJP") || pos2.startsWith("NN")
        && pos1.equals("ADJP"))) {
      return "NN";
    }
    if ((pos1.equals("IN") && pos2.equals("TO") || pos1.equals("TO")
        && pos2.equals("IN"))) {
      return "IN";
    }
    // VBx vs VBx = VB (does not matter which form for verb)
    if (pos1.startsWith("VB") && pos2.startsWith("VB")) {
      return "VB";
    }

    // ABx vs ABy always gives AB
    if (pos1.equalsIgnoreCase(pos2)) {
      return pos1;
    }
    if (pos1.length() > 2) {
      pos1 = pos1.substring(0, 2);
    }

    if (pos2.length() > 2) {
      pos2 = pos2.substring(0, 2);
    }
    if (pos1.equalsIgnoreCase(pos2)) {
      return pos1 + "*";
    }
    return null;
  }