Examples of WVTWordVector

Examples of edu.udo.cs.wvtool.main.WVTWordVector

90
91
92
93
94
95
96
97
        // Close the output file
        wvw.close();
        outFile.close();

        // Just for demonstration: Create a vector from a String
        WVTWordVector q = wvt.createVector("cmu harvard net", wordList);

    }
View Full Code Here

Examples of edu.udo.cs.wvtool.main.WVTWordVector

44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
        // Obtain the total number of documents and the document frequencies
        int numDocuments = wordList.getNumDocuments();
        int[] docFrequencies = wordList.getDocumentFrequencies();

        // Create the result structure
        WVTWordVector result = new WVTWordVector();
        double[] wv = new double[docFrequencies.length];

        // Create the vector

        // If the document contains at least one term
        if (numTermOccurences > 0) {
            double length = 0.0;
            for (int i = 0; i < wv.length; i++) {

                // Note: docFrequencies[i] is always > 0 as otherwise the word
                // would not be in the word list, it is also always smaller as
                // the total number of documents

                double idf = Math.log(((double) numDocuments) / ((double) docFrequencies[i]));

                wv[i] = (((double) frequencies[i]) / ((double) numTermOccurences)) * idf;

                length = length + wv[i] * wv[i];
            }

            length = Math.sqrt(length);

            // Normalize the vector
            if (length > 0.0)
                for (int i = 0; i < wv.length; i++)
                    wv[i] = wv[i] / length;

        } else
            for (int i = 0; i < wv.length; i++)
                wv[i] = 0.0;

        result.setDocumentInfo(d);
        result.setValues(wv);

        return result;

    }
View Full Code Here

Examples of edu.udo.cs.wvtool.main.WVTWordVector

42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
    public WVTWordVector createVector(int[] frequencies, int numTermOccurences, WVTWordList wordList, WVTDocumentInfo d) {

        int numTerms = wordList.getNumWords();

        // Create the result structure
        WVTWordVector result = new WVTWordVector();
        double[] wv = new double[numTerms];

        // If document contains at least one term
        if (numTermOccurences > 0) {
            // Create the vector
            double length = 0.0;
            for (int i = 0; i < wv.length; i++) {
                wv[i] = ((double) frequencies[i]) / ((double) numTermOccurences);
                length += wv[i] * wv[i];
            }

            length = Math.sqrt(length);

            // Normalize the vector
            if (length > 0.0)
                for (int i = 0; i < wv.length; i++)
                    wv[i] = wv[i] / length;
        } else {
            for (int i = 0; i < wv.length; i++)
                wv[i] = 0.0;
        }
        result.setDocumentInfo(d);
        result.setValues(wv);

        return result;

    }
View Full Code Here

Examples of edu.udo.cs.wvtool.main.WVTWordVector

41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
    int[] frequencies, int numTermOccurences, WVTWordList wordList, WVTDocumentInfo d) {

        int numTerms = wordList.getNumWords();

        // Create the result structure
        WVTWordVector result = new WVTWordVector();
        double[] wv = new double[numTerms];

        // Create the vector
        for (int i = 0; i < wv.length; i++)
            if (frequencies[i] > 0)
                wv[i] = 1;
            else
                wv[i] = 0;

        result.setDocumentInfo(d);
        result.setValues(wv);

        return result;

    }
View Full Code Here

Examples of edu.udo.cs.wvtool.main.WVTWordVector

41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
    int[] frequencies, int numTermOccurences, WVTWordList wordList, WVTDocumentInfo d) {

        int numTerms = wordList.getNumWords();

        // Create the result structure
        WVTWordVector result = new WVTWordVector();
        double[] wv = new double[numTerms];

        // Create the vector
        for (int i = 0; i < wv.length; i++)
            wv[i] = frequencies[i];

        result.setDocumentInfo(d);
        result.setValues(wv);

        return result;

    }
View Full Code Here

Examples of edu.udo.cs.wvtool.main.WVTWordVector

63
64
65
66
67
68
69
70
        // Close the output file
        wvw.close();
        outFile.close();

        // Just for demonstration: Create a vector from a String
        WVTWordVector q = wvt.createVector("cmu harvard net", wordList);

    }
View Full Code Here

Examples of edu.udo.cs.wvtool.main.WVTWordVector

99
100
101
102
103
104
105
106
        // Close the output file
        wvw.close();
        outFile.close();

        // Just for demonstration: Create a vector from a String
        WVTWordVector q = wvt.createVector("cmu harvard net", wordList);

    }
View Full Code Here
TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.