Package org.aksw.jenax.arq.analytics

Class NodeAnalytics

java.lang.Object

org.aksw.jenax.arq.analytics.NodeAnalytics

public class NodeAnalytics
extends Object

Aggregation utilities for Jena Nodes

Author:

Claus Stadler

Constructor Summary

Constructors

Constructor	Description
NodeAnalytics()

Method Summary

Modifier and Type	Method	Description
static <E> org.aksw.commons.collector.domain.ParallelAggregator<org.apache.jena.graph.Node,E,Long,?>	nullCount()
static <E> org.aksw.commons.collector.domain.ParallelAggregator<org.apache.jena.graph.Node,E,Set<String>,?>	usedDatatypes()
static <E> org.aksw.commons.collector.domain.ParallelAggregator<org.apache.jena.graph.Node,E,Map.Entry<Set<String>,Long>,?>	usedDatatypesAndNullCounts()
static <E> org.aksw.commons.collector.domain.ParallelAggregator<org.apache.jena.graph.Node,E,Set<String>,?>	usedPrefixes(int targetSize)
static <E> org.aksw.commons.collector.domain.ParallelAggregator<org.apache.jena.graph.Node,E,Map<String,String>,?>	usedPrefixes(Map<String,String> prefixMap)	Accumulate only prefixes that appear in the reference set.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

NodeAnalytics

public NodeAnalytics()

Method Details

usedDatatypesAndNullCounts

public static <E>
org.aksw.commons.collector.domain.ParallelAggregator<org.apache.jena.graph.Node,E,Map.Entry<Set<String>,Long>,?> usedDatatypesAndNullCounts()

nullCount

public static <E>
org.aksw.commons.collector.domain.ParallelAggregator<org.apache.jena.graph.Node,E,Long,?> nullCount()

usedDatatypes

public static <E>
org.aksw.commons.collector.domain.ParallelAggregator<org.apache.jena.graph.Node,E,Set<String>,?> usedDatatypes()

usedPrefixes

public static <E>
org.aksw.commons.collector.domain.ParallelAggregator<org.apache.jena.graph.Node,E,Set<String>,?> usedPrefixes(int targetSize)

usedPrefixes

public static <E>
org.aksw.commons.collector.domain.ParallelAggregator<org.apache.jena.graph.Node,E,Map<String,String>,?> usedPrefixes(Map<String,String> prefixMap)

Accumulate only prefixes that appear in the reference set. Filters out any prefix not part of the reference set.

Parameters:

prefixMap - A prefix map prefix -> iri

targetSize -

Returns: