RDFStatistics

Value Members

1. final def !=(arg0: Any): Boolean

   

   Definition Classes

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2. final def ##(): Int

   

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3. final def ==(arg0: Any): Boolean

   

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4. def AvgPerProperty(triples: RDD[Triple]): RDD[(Node, Double)]

   

   29.

   29. Average value per numeric property {int,float,time} criterion

   triples

   RDD of triples

   returns

   properties with their average values on the graph

5. def AvgTypedStringLength(triples: RDD[Triple]): Double

   

   22.

   22. Average typed string length criterion.

   triples

   RDD of triples

   returns

   the average typed string length used throughout the RDF graph.

6. def AvgUntypedStringLength(triples: RDD[Triple]): Double

   

   23.

   23. Average untyped string length criterion.

   triples

   RDD of triples

   returns

   the average untyped string length used throughout the RDF graph.

7. def BlanksAsObject(triples: RDD[Triple]): RDD[Triple]

   

   19.

   19. Blanks as object criterion

   triples

   RDD of triples

   returns

   number of triples where blanknodes are used as objects.

8. def BlanksAsSubject(triples: RDD[Triple]): RDD[Triple]

   

   18.

   18. Blanks as subject criterion

   triples

   RDD of triples

   returns

   number of triples where blanknodes are used as subjects.

9. def ClassHierarchyDepth(triples: RDD[Triple]): RDD[(Node, Int)]

   

   4.

   4. Class hierarchy depth criterion

   triples

   RDD of triples

   returns

   the depth of the graph

10. def Datatypes(triples: RDD[Triple]): RDD[(String, Int)]

    

    20.

    20. Datatypes criterion

    triples

    RDD of triples

    returns

    histogram of types used for literals.

11. def EntitiesMentioned(triples: RDD[Triple]): Long

    

    15.Entities mentioned criterion

    15.Entities mentioned criterion

    triples

    RDD of triples

    returns

    number of entities (resources / IRIs) that are mentioned within a RDF graph.

12. def LabeledSubjects(triples: RDD[Triple]): RDD[Node]

    

    24.

    24. Labeled subjects criterion.

    triples

    RDD of triples

    returns

    list of labeled subjects.

13. def Languages(triples: RDD[Triple]): RDD[(String, Int)]

    

    21.

    21. Languages criterion

    triples

    RDD of triples

    returns

    histogram of languages used for literals.

14. def Links(triples: RDD[Triple]): RDD[(String, String, Int)]

    

    26.

    26. Links criterion.

    Computes the frequencies of links between entities of different namespaces. This measure is directed, i.e. a link from ns1 -> ns2 is different from ns2 -> ns1.

    triples

    RDD of triples

    returns

    list of namespace combinations and their frequencies.

15. def Literals(triples: RDD[Triple]): RDD[Triple]

    

    * 17.

    * 17. Literals criterion

    triples

    RDD of triples

    returns

    number of triples that are referencing literals to subjects.

16. def MaxPerProperty(triples: RDD[Triple]): RDD[(Node, Node)]

    

    28.Maximum value per property {int,float,time} criterion

    28.Maximum value per property {int,float,time} criterion

    triples

    RDD of triples

    returns

    entities with their maximum values on the graph

17. def PropertyHierarchyDepth(triples: RDD[Triple]): RDD[(Node, Int)]

    

    12.

    12. Property hierarchy depth criterion

    triples

    RDD of triples

    returns

    the depth of the graph

18. def PropertyUsageDistinctPerObject(triples: RDD[Triple]): RDD[(Iterable[Triple], Int)]

    

    7.

    7. Property usage distinct per object criterion

    triples

    RDD of triples

    returns

    the usage of properties grouped by object

19. def PropertyUsageDistinctPerSubject(triples: RDD[Triple]): RDD[(Iterable[Triple], Int)]

    

    6.

    6. Property usage distinct per subject criterion

    triples

    RDD of triples

    returns

    the usage of properties grouped by subject

20. def SameAs(triples: RDD[Triple]): RDD[Triple]

    

    25.

    25. SameAs criterion.

    triples

    RDD of triples

    returns

    list of triples with owl#sameAs as predicate

21. def SubclassUsage(triples: RDD[Triple]): Long

    

    13.

    13. Subclass usage criterion

    triples

    RDD of triples

    returns

    the usage of subclasses on the given graph

22. def Triples(triples: RDD[Triple]): Long

    

    14.

    14. Triples criterion

    triples

    RDD of triples

    returns

    the amount of triples of a given graph.

23. def TypedSubjects(triples: RDD[Triple]): RDD[Node]

    

    24.

    24. Typed subjects criterion.

    triples

    RDD of triples

    returns

    list of typed subjects.

24. final def asInstanceOf[T0]: T0

    

    Definition Classes

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25. def clone(): AnyRef

    

    Attributes

    protected[java.lang]

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    @throws( ... )

26. final def eq(arg0: AnyRef): Boolean

    

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27. def equals(arg0: Any): Boolean

    

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28. def finalize(): Unit

    

    Attributes

    protected[java.lang]

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    @throws( classOf[java.lang.Throwable] )

29. final def getClass(): Class[_]

    

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30. def hashCode(): Int

    

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31. final def isInstanceOf[T0]: Boolean

    

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32. final def ne(arg0: AnyRef): Boolean

    

    Definition Classes

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33. final def notify(): Unit

    

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34. final def notifyAll(): Unit

    

    Definition Classes

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35. def print(stats: RDD[String], source: String): Unit

    

    Prints the Voidiy version of the given RDF dataset

    Prints the Voidiy version of the given RDF dataset

    stats

    given RDF dataset statistics

    source

    name of the Dataset:source--usualy the file's name

36. def run(triples: RDD[Triple]): RDD[String]

    

    Compute distributed RDF dataset statistics.

    Compute distributed RDF dataset statistics.

    triples

    RDF graph

    returns

    VoID description of the given dataset

37. val spark: SparkSession

    

38. final def synchronized[T0](arg0: ⇒ T0): T0

    

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39. def toString(): String

    

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40. def voidify(stats: RDD[String], source: String, output: String): Unit

    

    Voidify RDF dataset based on the Vocabulary of Interlinked Datasets (VoID) https://www.w3.org/TR/void/

    Voidify RDF dataset based on the Vocabulary of Interlinked Datasets (VoID) https://www.w3.org/TR/void/

    stats

    given RDF dataset statistics

    source

    name of the Dataset:source--usualy the file's name

    output

    the directory to save RDF dataset summary

41. final def wait(): Unit

    

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    @throws( ... )

42. final def wait(arg0: Long, arg1: Int): Unit

    

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    @throws( ... )

43. final def wait(arg0: Long): Unit

    

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    @throws( ... )