Ejemplo n.º 1
0
 /**
  * @param patterns
  * @return ????
  */
 public Vector<EventSequence> postProcessing(Vector<EventSequence> patterns) {
   Vector<EventSequence> vec = new Vector<EventSequence>();
   for (int i = 0; i < patterns.size(); i++) {
     EventSequence s = patterns.elementAt(i);
     if (postAccepts(s)) vec.addElement(s);
   }
   return vec;
 }
Ejemplo n.º 2
0
 /**
  * @param db
  * @return a db transformed in a database of events ???
  */
 public Database preProcessing(Database db) {
   Vector<Element> alphabet = m_tdm.m_contentC.m_taxonomy.getAlphabet(m_tdm.m_contentC.m_level);
   Database preprocDB = new Database();
   for (int i = 0; i < db.getSize(); i++) {
     EventSequence s = db.elementAt(i);
     Vector<Event> events = new Vector<Event>(0);
     for (int k = 0; k < s.length(); k++) {
       Event e = s.elementAtIndex(k);
       if (m_tdm.m_temporalC.accepts(e)) {
         Vector<Element> v = getParents(e.getSet(), alphabet, m_tdm.m_contentC.m_taxonomy);
         if (null != v) events.addElement(new Event(new ItemSet(v), e.getInstant()));
       }
     }
     if (0 != events.size()) preprocDB.addElement(new EventSequence(events));
   }
   preprocDB.setAlphabet(alphabet);
   return preprocDB;
 }
Ejemplo n.º 3
0
 /**
  * Verifies the support and creates the infrastructure to generate initial projectedDBs for each
  * element in the database.
  *
  * @param s The db sequence to verify.
  * @param alphabet The set of elements in the db.
  * @param sup An array to store elements support.
  * @param seqDB An array of vectores with the ids of sequences where each element occur.
  * @param posDB An array of vectores with the positions where each element occur.
  * @param index The first index to look for.
  * @return True if the sequence supports some valid elements.
  */
 public boolean verifyGeneralAcceptance(
     EventSequence s,
     Vector<Element> alphabet,
     long[] sup,
     Vector<Integer>[] seqDB,
     Vector<Integer>[] posDB,
     int index) {
   boolean seqSupports = false;
   BitSet bs = new BitSet(alphabet.size());
   bs.clear();
   int from = 0;
   while (from < s.length()) {
     seqSupports = true;
     verifyContentGeneralAcceptance(
         s.elementAtIndex(from), alphabet, bs, sup, seqDB, posDB, index, from);
     from++;
   }
   return seqSupports;
 }