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java.lang.Objectde.hpi.fgis.voidgen.hadoop.Driver
de.hpi.fgis.voidgen.hadoop.tasks.ClusterPatterns
public class ClusterPatterns
Creates the patterns of entities of the different
clusters. The patterns are URI patterns of the elements
contained by each cluster.
The pattern generation was developed for the URI based clustering.
Creating the patterns can be done on every clustering
but we assume the most useful patterns for clusters generated
by the URI based clustering (compared to other clustering methods).
ClusterInfoPatternStep1Reducer
to see the influences on the patterns
if an other clustering except URI based clustering is used.
ClusterInfoPatternStep2Reducer
leading to possible loss of some patterns
if there exist multiple patterns for the same URI part.
The following table lists the properties necessary to set.
property name | description | example value |
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de.hpi.fgis.voidgen.hadoop.tasks.ClusterPatterns.input_paths | The input paths containing RDF quadruples with subject and object cluster set. | voidGen/joined< |
de.hpi.fgis.voidgen.hadoop.tasks.ClusterPatterns.temporary_path | The path for temporary MapReduce output. | voidGen/temporary_path< |
de.hpi.fgis.voidgen.hadoop.tasks.ClusterPatterns.output_path | The output path containing the patterns for the clusters. | voidGen/patterns |
de.hpi.fgis.voidgen.hadoop.tasks.clusterinformation.ClusterInfoPatternStep1Reducer.alternatives | Optional. The default value is '5'. The number of alternatives allowed in URLs at each level of depth within this URL. If there are more alternatives at a given level of depth a wild-cards sign is used. | 5 |
Constructor Summary | |
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ClusterPatterns()
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Method Summary | |
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int |
run(java.lang.String[] args)
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Methods inherited from class de.hpi.fgis.voidgen.hadoop.Driver |
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getConf, getPath, getPaths, setConf |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ClusterPatterns()
Method Detail |
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public int run(java.lang.String[] args) throws java.lang.Exception
java.lang.Exception
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