Question Answering

Question Answering

1. Question Analysis

   • Question Classification / Categorization
     • Machine learning method
       • Features selection
         • Part of Speech
         • Bag of words
         • Chunks (Non overlapping phrases)
         • Semantical related words
     • Rule based class tagging
   • Similar question clustering

2. Answer Matching

   • Relevance Ranking
     • Language Model
     • Dependency Model
     • Supervised approach
     • BM25 algorithm