基于概念树剪枝的 LCA 查询扩展 (Method of Query Expansion Based on LCA Prune Semantic Tree).

Weijiang Li Feng Wang

Published in: 计算机科学 (2015)

Keyphrases

query expansion
information retrieval systems
text mining
language modeling
feature selection
similarity measure
training data
query processing
probabilistic model
semantic information
relevance model