Package eu.stratosphere.test.iterative.nephele.danglingpagerank

Examples of eu.stratosphere.test.iterative.nephele.danglingpagerank.PageRankStats

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    aggregator = getIterationRuntimeContext().getIterationAggregator(AGGREGATOR_NAME);
   
    if (currentIteration == 1) {
      danglingRankFactor = BETA * (double) numDanglingVertices / ((double) numVertices * (double) numVertices);
    } else {
      PageRankStats previousAggregate = getIterationRuntimeContext().getPreviousIterationAggregate(AGGREGATOR_NAME);
      danglingRankFactor = BETA * previousAggregate.danglingRank() / (double) numVertices;
    }
  }
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    long numVertices = ConfigUtils.asLong("pageRank.numVertices", parameters);

    if (currentIteration > 1) {
     
      PageRankStats stats = (PageRankStats) getIterationRuntimeContext().getPreviousIterationAggregate(CustomCompensatableDotProductCoGroup.AGGREGATOR_NAME);

      uniformRank = 1d / (double) numVertices;
      double lostMassFactor = (numVertices - stats.numVertices()) / (double) numVertices;
      rescaleFactor = (1 - lostMassFactor) / stats.rank();
    }
  }
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Related Classes of eu.stratosphere.test.iterative.nephele.danglingpagerank.PageRankStats

  • eu.stratosphere.test.iterative.nephele.customdanglingpagerank.CustomCompensatableDotProductCoGroup
  • eu.stratosphere.test.iterative.nephele.customdanglingpagerank.CustomCompensatingMap
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