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System and method for supplementing a question answering system with mixed-language source documents

  • US 10,303,767 B2
  • Filed: 06/08/2018
  • Issued: 05/28/2019
  • Est. Priority Date: 10/19/2016
  • Status: Active Grant
First Claim
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1. A computer implemented method in a data processing system comprising a processor and a memory comprising instructions, which are executed by the processor to cause the processor to determine language independent candidate answers, the method comprising:

  • ingesting a corpus, wherein the corpus may comprise information in one or more languages;

    using a cognitive system to convert the corpus into one or more acyclic graphs, wherein nodes in the one or more acyclic graphs represent facts and connectors in the one or more acyclic graphs represent connections between two or more facts;

    generating an element data structure using the one or more acyclic graphs;

    identifying clusters of elements in the element data structure based on characteristics of the elements;

    storing the clusters in a cluster data structure;

    in response to receiving a question,searching the cluster data structure to generate a listing of element clusters having elements involving the question;

    generating a filtered listing of candidate element clusters, wherein the filtered listing comprises elements and their clusters from the listing of element clusters that are present in the question;

    training the cognitive system with association rules, wherein the association rules specify compatibility of elements with knowledge domains;

    applying the trained cognitive system to analyze the filtered listing of candidate element clusters to identify the candidate element clusters that are compatible with the knowledge domain of the question;

    ranking the candidate element clusters; and

    outputting the candidate element cluster corresponding to the highest ranked element cluster.

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