Inference Engine

• Full name: IBM Cross-Document Coreference Resolver
• Description in English: A cross-document coreference resolver that performs a variety of specialized techniques for specific entity types (e.g., person) and then some very generic string matching for all other types.
• Source(s):
  • Name: J. William Murdock
  • URL: http://bill.murdocks.org/
  • Affiliation(s):
    • Name: IBM Knowledge Structures Group

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  • Name: Mary Neff
  • URL: http://www.research.ibm.com/talent/members.html#mary
  • Affiliation(s):
    • Name: IBM Research
    • URL: http://www.research.ibm.com/
• Inference Rule(s):
  • Name: Entity Recognition
  • Description in English: Infers a span of text refers to some entity of a specified class (in the extraction ontology) without specifying a particular entity; i.e., produces an entity annotation
  • Example in English: Inferring that SpanAR refers to some entity of the com.ibm.nimd.Person class.
  • Source(s):
    • Name: J. William Murdock
    • URL: http://bill.murdocks.org/
    • Affiliation(s):
      • Name: IBM Knowledge Structures Group

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  • Name: Extracted Entity Classification
  • Description in English: Infers that an entity has a particular class in the extraction ontology
  • Example in English: Inferring that the class of entity PER1 is com.ibm.nimd.Person
  • Source(s):
    • Name: J. William Murdock
    • URL: http://bill.murdocks.org/
    • Affiliation(s):
      • Name: IBM Knowledge Structures Group

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  • Name: Relation Identification
  • Description in English: Infers that a relation annotation refers to a particular relation instance of a particular relation type and has particular vales for its roles.
  • Example in English: Inferring that the relation annotation refers to a relation instance com.ibm.nimd.HasOwner(ORG1, PER1) and adding that relation instance to the extracted KB (if it is not already there)
  • Source(s):
    • Name: J. William Murdock
    • URL: http://bill.murdocks.org/
    • Affiliation(s):
      • Name: IBM Knowledge Structures Group

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