Package es.uam.eps.ir.relison.links.data

Class TerrierIndex

java.lang.Object
es.uam.eps.ir.relison.links.data.TerrierIndex
public class TerrierIndex
extends java.lang.Object
Class for generating Terrier indexes and queries from graphs.

  • Field Summary

    Fields 
    Modifier and Type Field Description
    private EdgeOrientation dSel
    Orientation for the "document" users.
    private FastGraph<?> graph
    The graph.
    private org.terrier.realtime.memory.MemoryIndex index
    The Terrier index.
    static java.lang.String NODEID
    Identifier for the id of the nodes in the index.
    private EdgeOrientation qSel
    Orientation for the "query" users.
    private java.util.Map<java.lang.Integer,​java.lang.String> queries
    A structure for storing the different queries.

  • Constructor Summary

    Constructors 
    Constructor Description
    TerrierIndex​(FastGraph<?> graph, EdgeOrientation qSel, EdgeOrientation dSel)
    Constructor.
    TerrierIndex​(FastGraph<?> graph, EdgeOrientation qSel, EdgeOrientation dSel, org.terrier.realtime.memory.MemoryIndex memIndex, java.util.Map<java.lang.Integer,​java.lang.String> queries)
    Constructor.

  • Method Summary

    Modifier and Type Method Description
    private void generateUnweightedIndex()
    Generates the index and queries for a weighted graph.
    private void generateWeightedIndex()
    Generates the index and queries for an unweighted graph.
    EdgeOrientation getDocumentOrientation()
    Obtains the orientation for the "document" users.
    (package private) org.terrier.realtime.memory.MemoryIndex getMemoryIndex()  
    (package private) java.util.Map<java.lang.Integer,​java.lang.String> getQueries()  
    EdgeOrientation getQueryOrientation()
    Obtains the orientation for the "query" users.
    org.terrier.querying.ScoredDocList query​(int uidx, java.lang.String model, java.util.Optional<java.lang.Double> c)
    Executes a query over the collection.
    org.terrier.structures.CollectionStatistics stats()
    Obtains the statistics of the collection.

    Methods inherited from class java.lang.Object

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

  • Field Details

    • index

      private final org.terrier.realtime.memory.MemoryIndex index
      The Terrier index.

    • queries

      private final java.util.Map<java.lang.Integer,​java.lang.String> queries
      A structure for storing the different queries.

    • qSel

      private final EdgeOrientation qSel
      Orientation for the "query" users.

    • dSel

      private final EdgeOrientation dSel
      Orientation for the "document" users.

    • graph

      private final FastGraph<?> graph
      The graph.

    • NODEID

      public static final java.lang.String NODEID
      Identifier for the id of the nodes in the index.
      See Also:
      Constant Field Values

  • Constructor Details

    • TerrierIndex

      public TerrierIndex​(FastGraph<?> graph, EdgeOrientation qSel, EdgeOrientation dSel, org.terrier.realtime.memory.MemoryIndex memIndex, java.util.Map<java.lang.Integer,​java.lang.String> queries)
      Constructor.
      Parameters:
      graph - the social network graph.
      qSel - orientation for "query" users.
      dSel - orientation for the "document" users.
      memIndex - memory index.
      queries - a set of queries (indexed by node id)

    • TerrierIndex

      public TerrierIndex​(FastGraph<?> graph, EdgeOrientation qSel, EdgeOrientation dSel)
      Constructor.
      Parameters:
      graph - the graph.
      qSel - orientation for the "query" users.
      dSel - orientation for the "document" users.

  • Method Details

    • generateUnweightedIndex

      private void generateUnweightedIndex()
      Generates the index and queries for a weighted graph.

    • generateWeightedIndex

      private void generateWeightedIndex()
      Generates the index and queries for an unweighted graph.

    • query

      public org.terrier.querying.ScoredDocList query​(int uidx, java.lang.String model, java.util.Optional<java.lang.Double> c)
      Executes a query over the collection.
      Parameters:
      uidx - identifier of the "query" user.
      model - identifier of the weighting model.
      c - c value of the weighting model (ex. the b param. in BM25).
      Returns:
      a list of results if everything is OK, null otherwise.

    • stats

      public org.terrier.structures.CollectionStatistics stats()
      Obtains the statistics of the collection.
      Returns:
      the statistics.

    • getQueryOrientation

      public EdgeOrientation getQueryOrientation()
      Obtains the orientation for the "query" users.
      Returns:
      the orientation for the query users.

    • getDocumentOrientation

      public EdgeOrientation getDocumentOrientation()
      Obtains the orientation for the "document" users.
      Returns:
      the orientation for the document users.

    • getMemoryIndex

      org.terrier.realtime.memory.MemoryIndex getMemoryIndex()

    • getQueries

      java.util.Map<java.lang.Integer,​java.lang.String> getQueries()