Complex Relation Mention

A Complex Relation Mention is a Relation Mention that either refers to 1) a Complex Semantic Relation or to one that 2) cannot be easily Detected within a Passage.

• AKA: Complex Semantic Relation Mention.
• Context:
  • It can involve Long-Range Dependencies, such as across multiple sentences.
    • It can be a Multi-Sentence Relation Mention.
  • It can be a N-ary Relation Mention.
  • It can be a Nested Relation Mention.
  • It can higher-order semantic phenomena such as a Quantification.
  • It can be recognized by a Complex Relation Recognition Algorithm.
  • …
• Example(s):
  • “John's black cat with long whiskers hissed at his other black cat” is a Nested Relation Mention that contains the Relations HasA(John,cat1), (John,cat2), PartOf(cat1,whikers), PropertyOf(cat1,black), PropertyOf(cat2,black), ...
  • “XyaA is one of E. coli’s proteins. It is found in the periplasmic space.” contains the relation SubcellularLocalization(E. coli, XyaA, periplasmic space), both a Multi-Sentence Relation Mention and an N-ary Relation Mention or a Domain Specific Relation.
  • …
• Counter-Example(s):
  • “John” is an Entity Mention.
  • “A cat is a mammal” is a Simple Relation Mention.
  • “John has a cat” is a Simple Relation Mention.
  • “This cat has long whiskers” is a Simple Relation Mention.
  • “The cat is black is a Simple Relation Mention.
  • “Redmond-based Microsoft... is a Simple Relation Mention.
• See: Simple Relation Mention, Nested Entity Menion.

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