/QA

[Broken] A Chinese Question and Answer System

Primary LanguagePythonMIT LicenseMIT

QA

A Chinese Question and Answer System

Stages

  • Question Processing

    • Word segmentation
    • Output:
      1. Query formulation
        • Keywords: 中心词，名词，其他词
        • 命名实体
        • 主谓宾
      2. Question Classification
        • Rules / Template matching
        • Parser -> wh-words is ATT to which word => question type
        • Learning

  • Passage Retrieval

    • 篇章分词
    • 建立倒排索引
    • Input: Keywords
    • Output: Related Passages
      • 计算篇章的权重
      • 排序，输出前面的篇章

  • Answer Extraction

    • Algorithm
      • N-gram?
      • Template matching? Template learning using Search Engines?
    • Output: set of pairs {(answer, passage), ...}

  • Answer Ranking

    • Rank (answer, passage) pairs
    • Produce final answer(s)

Remarks

This is only part of the code we wrote.