Weighted Word Pairs for query expansion

作者：

Highlights：

• A graph of terms can be effectively used for query expansion.

• Such a graph is extracted from documents thanks to a LDA based methodology.

• Proposed method achieves good performances on standard datasets.

摘要

•A graph of terms can be effectively used for query expansion.•Such a graph is extracted from documents thanks to a LDA based methodology.•Proposed method achieves good performances on standard datasets.

论文关键词：Text retrieval,Query expansion,Explicit relevance feedback,Pseudo-relevance feedback,Probabilistic Topic Model

论文评审过程：Received 25 June 2013, Revised 4 July 2014, Accepted 11 July 2014, Available online 7 August 2014.

论文官网地址：https://doi.org/10.1016/j.ipm.2014.07.004