Question Annotation

[xiliuhk]

Information Flow

We could possibly annotate the question as below.
Question --> Question without stopping words --> Question without punctuations --> Stemmed Questions -->Tokens --> Terms (duplications removed)

Building Queries

To enhance the retrieval precision, we should build queries with terms and following techniques.

Term Selection

• Frequent terms
• Special terms

  Term Interpretation

• Stretchy patterns SYN(t1, t2)

  Term Join

• Join Terms: PHRASE(t1, t2)
• Join Results( act as OR): TIE(t1, t2)