CS224N lecture16 笔记

发布于 14 天前  22 次阅读


Conference Resoultion

Slides

  • What is Coreference Resolution
    Identify all mentions that refer to the same real word entity

  • Mention Detection

    • Mention: span of text refering to some entity
    • Three kinds of mentions
      • Pronouns(use a part-of-speech tagger)
      • Named entities(use a NER system)
      • Noun phrases(use a parser , especially a consitituency parser)
  • Coreference、Anaphora、Cataphora

  • Rule-based Coreference Models

  • Mention-Pair Models
    Train a binary classifier that assigns every pair of mentions a probability

  • Mention Ranking Models

    • Assign each mention its highest scoring candidate antecedent according to the model
    • Each mention is assigned only one antecedent
  • Neural Coref Model
    do mention detection and coference end-to-end

  • Clustering-Based Model

  • Coreference Evaluation
    MUC; CEAFl LEA; B-CUBED; BLANC


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