Ejemplo n.º 1
0
        static void Main(string[] args)
        {
            ClassLabelDictionary classLabelDict = new ClassLabelDictionary();
            classLabelDict.LoadFromDB();

            TFIDFDictionary tfidfDict = new TFIDFDictionary();
            tfidfDict.LoadFromDB();

            PrecedenceModel precedenceModel = new PrecedenceModel(tfidfDict, classLabelDict);
            precedenceModel.DiscoverPrecedence();
        }
Ejemplo n.º 2
0
        public void GenerateTFIDFDictionary()
        {
            Dictionary<int, TFIDF> tfidfDict = new Dictionary<int, TFIDF>();
            foreach (DocModel m in docDB)
            {
                for (int i = 0; i < m.Length; i++)
                {
                    int wordKey = m.Word(i);
                    TFIDF tfidf;
                    if (!tfidfDict.TryGetValue(wordKey, out tfidf))
                    {
                        tfidf = new TFIDF(wordKey, docDB.Count);
                        tfidf.key = wordKey;
                        tfidfDict.Add(wordKey, tfidf);
                    }
                    tfidf.tf += m.Count(i);
                    tfidf.df++;
                }
            }

            List<KeyValuePair<int, TFIDF>> tfidfs = tfidfDict.ToList();
            tfidfs.Sort(
                (x1, x2) =>
                {
                    if (x1.Value.tfidf > x2.Value.tfidf)
                    {
                        return -1;
                    }
                    else if (x1.Value.tfidf == x2.Value.tfidf)
                    {
                        return 0;
                    }
                    else
                    {
                        return 1;
                    }
                });
            TFIDFDictionary tfidfDictionary = new TFIDFDictionary();
            for (int i = 0; i < tfidfs.Count && i < 20000; i++)
            {
                tfidfDictionary.AddValue(wordDict.GetKey(tfidfs[i].Key), tfidfs[i].Key);
            }
            tfidfDictionary.StoreToDB();
        }
Ejemplo n.º 3
0
        static void Main(string[] args)
        {
            ClassLabelDictionary classLabelDict = new ClassLabelDictionary();
            classLabelDict.LoadFromDB();

            WordDictionary wordDict = new WordDictionary();
            wordDict.LoadFromDB();

            TFIDFDictionary tfidfDict = new TFIDFDictionary();
            tfidfDict.LoadFromDB();

            BoWModelDB docDB = new BoWModelDB(wordDict);
            docDB.LoadFromDBByDataSet("doc_set_cls_1000");

            PModel.PrecedenceModel pModel = new PModel.PrecedenceModel(tfidfDict, classLabelDict);
            pModel.DiscoverPrecedence();

            PrecedenceQuery pQuery = new PrecedenceQuery(pModel, wordDict, classLabelDict);
            pQuery.TestQuery(docDB);
        }
Ejemplo n.º 4
0
        static void InitTFIDFDict()
        {
            classLabelDict = new ClassLabelDictionary();
            classLabelDict.LoadFromDB();

            tfidfDict = new TFIDFDictionary();
            tfidfDict.LoadFromDB();
        }