Package com.chine.kmeans.models

Examples of com.chine.kmeans.models.Movie

76
77
78
79
80
81
82
83
84
85
86
    SequenceFile.Reader reader = new SequenceFile.Reader(fs, path, conf);
   
    Text key = new Text();
    Text value = new Text();
    while(reader.next(key, value)) {
      Movie currentMovie = new Movie(Integer.valueOf(key.toString())
          , value.toString());
      if(currentMovie.getMap().size() > 5)
        canopyCenters.add(currentMovie);
    }
  }
View Full Code Here
95
96
97
98
99
100
101
102
103
104
105
    SequenceFile.Reader reader = new SequenceFile.Reader(fs, path, conf);
   
    Text key = new Text();
    Text value = new Text();
    while(reader.next(key, value)) {
      Movie currentMovie = new Movie(Integer.valueOf(key.toString())
          , value.toString());
      if(currentMovie.getMap().size() > 5)
        kmeansCenters.add(currentMovie);
    }
  }
View Full Code Here
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
    throws IOException, InterruptedException {
   
    String[] splits = value.toString().split(":");
    int movieId = Integer.valueOf(splits[splits.length-2]);
    String data = splits[splits.length-1];
    Movie currentMovie = new Movie(movieId, data);
   
    HashSet<Movie> hasCalcCenters = new HashSet<Movie>();
    double maxDst = -1;
    Movie maxMovie = null;
   
    for(int i=0; i<splits.length-2; i++) {
      Integer cId = Integer.valueOf(splits[i]);
      ArrayList<Movie> movies = canopyKmeansCenters.get(cId);
      if(movies == null)
        continue;
     
      for(Movie movie: movies) {
        if(hasCalcCenters.contains(movie))
          continue;
        hasCalcCenters.add(movie);
       
        double dst = movie.getComplexDistance(currentMovie);
        if(dst > maxDst) {
          maxDst = dst;
          maxMovie = movie;
        }
      }
     
    }
   
    if(maxDst > -1) {
      context.write(new Text(String.valueOf(maxMovie.getMovieId())),
          new Text(String.valueOf(movieId)+":"+data));
    }
   
  }
View Full Code Here
23
24
25
26
27
28
29
30
31
32
33
34
      String data = value.toString();
      int index = data.indexOf(":");
      int movieId = Integer.valueOf(data.substring(0, index));
      String datas = data.substring(index+1);
     
      Movie currentMovie = new Movie(movieId, datas);
      Map<Integer, Integer> features= currentMovie.getMap();
      for(Integer userId: features.keySet()) {
        if(!userRating.containsKey(userId)) {
          userRating.put(userId, 0);
          userCount.put(userId, 0);
        }
View Full Code Here
37
38
39
40
41
42
43
44
45
46
47
    SequenceFile.Reader reader = new SequenceFile.Reader(fs, path, conf);
    Text key = new Text();
    Text value = new Text();
    try {
      while(reader.next(key, value)) {
        Movie movie = new Movie(Integer.valueOf(key.toString()), value.toString());
       
        this.canopyMovieCenters.add(movie);
      }
    }
    finally {
View Full Code Here
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
  public void map(Text key, Text value, Context context)
    throws IOException, InterruptedException {
   
    int movieId = Integer.valueOf(key.toString());
    String data = value.toString();
    Movie currentMovie = new Movie(movieId, data);
   
    boolean emit = false;
    StringBuilder sb = new StringBuilder();
    for(Movie canopyMovie: canopyMovieCenters) {
      if(currentMovie.getMatchCount(canopyMovie) >= ConfiguredKmeans.T2) {
        if(!emit) emit = true;
        if(sb.length() > 0)
          sb.append(":");
        sb.append(currentMovie.getMovieId());
      }
    }
   
    if(emit) {
      sb.append(":");
View Full Code Here
23
24
25
26
27
28
29
30
31
32
33
      InterruptedException {

    int movieId = Integer.valueOf(key.toString());
    String data = value.toString();

    Movie currentMovie = new Movie(movieId, data);

    boolean tooClose = false;
    for (Movie m : canopyMovieCenters) {
      if (m.getMatchCount(currentMovie) >= ConfiguredKmeans.T1) {
        tooClose = true;
View Full Code Here
26
27
28
29
30
31
32
33
34
35
36
    for (Text value : values) {
      String[] movieAndData = value.toString().split(":");
      int movieId = Integer.valueOf(movieAndData[0]);
      String data = movieAndData[1].toString();

      Movie currentMovie = new Movie(movieId, data);

      boolean tooClose = false;
      for (Movie m : canopyMovieCenters) {
        if (m.getMatchCount(currentMovie) >= ConfiguredKmeans.T1) {
          tooClose = true;
View Full Code Here
TOP

Related Classes of com.chine.kmeans.models.Movie

  • com.chine.kmeans.mapreduce.canopydata.CanopyDataMapper
  • com.chine.kmeans.mapreduce.canopymaker.CanopyMakerMapper
  • com.chine.kmeans.mapreduce.canopymaker.CanopyMakerReducer
  • com.chine.kmeans.mapreduce.kmeansiter.KmeansIterMapper
  • com.chine.kmeans.mapreduce.kmeansiter.KmeansIterReducer
    • Copyright © 2018 www.massapicom. 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.