Package org.apache.mahout.cf.taste.impl.common

Examples of org.apache.mahout.cf.taste.impl.common.RefreshHelper

54
55
56
57
58
59
60
61
62
63
64
    super(dataModel);
    this.weighted = weighting == Weighting.WEIGHTED;
    this.centerData = centerData;
    this.cachedNumItems = dataModel.getNumItems();
    this.cachedNumUsers = dataModel.getNumUsers();
    this.refreshHelper = new RefreshHelper(new Callable<Object>() {
      @Override
      public Object call() throws TasteException {
        cachedNumItems = dataModel.getNumItems();
        cachedNumUsers = dataModel.getNumUsers();
        return null;
View Full Code Here
73
74
75
76
77
78
79
80
81
82
83
  public InverseUserFrequency(DataModel dataModel, double logBase) throws TasteException {
    Preconditions.checkArgument(logBase > 1.0, "logBase should be > 1.0");
    this.dataModel = Preconditions.checkNotNull(dataModel);
    this.logBase = logBase;
    this.iufFactors = new FastByIDMap<Double>();
    this.refreshHelper = new RefreshHelper(new Callable<Object>() {
      @Override
      public Object call() throws TasteException {
        recompute();
        return null;
      }
View Full Code Here
118
119
120
121
122
123
124
125
126
127
128
    this.clusterSimilarity = Preconditions.checkNotNull(clusterSimilarity);
    this.numClusters = numClusters;
    this.clusteringThreshold = Double.NaN;
    this.clusteringByThreshold = false;
    this.samplingRate = samplingRate;
    this.refreshHelper = new RefreshHelper(new Callable<Object>() {
      @Override
      public Object call() throws TasteException {
        buildClusters();
        return null;
      }
View Full Code Here
175
176
177
178
179
180
181
182
183
184
185
    this.clusterSimilarity = Preconditions.checkNotNull(clusterSimilarity);
    this.numClusters = Integer.MIN_VALUE;
    this.clusteringThreshold = clusteringThreshold;
    this.clusteringByThreshold = true;
    this.samplingRate = samplingRate;
    this.refreshHelper = new RefreshHelper(new Callable<Object>() {
      @Override
      public Object call() throws TasteException {
        buildClusters();
        return null;
      }
View Full Code Here
99
100
101
102
103
104
105
106
107
108
109
    Preconditions.checkArgument(numClusters >= 2, "numClusters must be at least 2");
    this.clusterSimilarity = Preconditions.checkNotNull(clusterSimilarity);
    this.numClusters = numClusters;
    this.clusteringThreshold = Double.NaN;
    this.clusteringByThreshold = false;
    this.refreshHelper = new RefreshHelper(new Callable<Object>() {
      @Override
      public Object call() throws TasteException {
        buildClusters();
        return null;
      }
View Full Code Here
132
133
134
135
136
137
138
139
140
141
142
    Preconditions.checkArgument(!Double.isNaN(clusteringThreshold), "clusteringThreshold must not be NaN");
    this.clusterSimilarity = Preconditions.checkNotNull(clusterSimilarity);
    this.numClusters = Integer.MIN_VALUE;
    this.clusteringThreshold = clusteringThreshold;
    this.clusteringByThreshold = true;
    this.refreshHelper = new RefreshHelper(new Callable<Object>() {
      @Override
      public Object call() throws TasteException {
        buildClusters();
        return null;
      }
View Full Code Here
93
94
95
96
97
98
99
100
101
102
103
    this.maxEntries = maxEntries;
    this.averageDiffs = new FastByIDMap<FastByIDMap<RunningAverage>>();
    this.averageItemPref = new FastByIDMap<RunningAverage>();
    this.buildAverageDiffsLock = new ReentrantReadWriteLock();
    this.allRecommendableItemIDs = new FastIDSet(dataModel.getNumItems());
    this.refreshHelper = new RefreshHelper(new Callable<Object>() {
      @Override
      public Object call() throws TasteException {
        buildAverageDiffs();
        return null;
      }
View Full Code Here
85
86
87
88
89
90
91
92
93
94
95
    Preconditions.checkArgument(similarity != null, "similarity is null");
    this.similarity = similarity;
    Preconditions.checkArgument(mostSimilarItemsCandidateItemsStrategy != null,
        "mostSimilarItemsCandidateItemsStrategy is null");
    this.mostSimilarItemsCandidateItemsStrategy = mostSimilarItemsCandidateItemsStrategy;
    this.refreshHelper = new RefreshHelper(new Callable<Void>() {
      @Override
      public Void call() {
        capper = buildCapper();
        return null;
      }
View Full Code Here
103
104
105
106
107
108
109
110
111
112
113
   
    if (factorization == null) {
      train();
    }
   
    refreshHelper = new RefreshHelper(new Callable<Object>() {
      @Override
      public Object call() throws TasteException {
        train();
        return null;
      }
View Full Code Here
63
64
65
66
67
68
69
70
71
72
73
    super(dataModel);
    this.itemAverages = new FastByIDMap<RunningAverage>();
    this.userAverages = new FastByIDMap<RunningAverage>();
    this.overallAveragePrefValue = new FullRunningAverage();
    this.buildAveragesLock = new ReentrantReadWriteLock();
    this.refreshHelper = new RefreshHelper(new Callable<Object>() {
      @Override
      public Object call() throws TasteException {
        buildAverageDiffs();
        return null;
      }
View Full Code Here
TOP

Related Classes of org.apache.mahout.cf.taste.impl.common.RefreshHelper

  • org.apache.mahout.cf.taste.impl.model.jdbc.ReloadFromJDBCDataModel
  • org.apache.mahout.cf.taste.impl.neighborhood.AbstractUserNeighborhood
  • org.apache.mahout.cf.taste.impl.recommender.BooleanUserGenericUserBasedRecommender
  • org.apache.mahout.cf.taste.impl.recommender.CachingRecommender
  • org.apache.mahout.cf.taste.impl.recommender.GenericItemBasedRecommender
  • org.apache.mahout.cf.taste.impl.recommender.GenericUserBasedRecommender
  • org.apache.mahout.cf.taste.impl.recommender.ItemAverageRecommender
  • org.apache.mahout.cf.taste.impl.recommender.ItemUserAverageRecommender
  • org.apache.mahout.cf.taste.impl.recommender.slopeone.jdbc.AbstractJDBCDiffStorage
  • org.apache.mahout.cf.taste.impl.recommender.slopeone.MemoryDiffStorage
    • 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.