PREFCA: A portal retrieval engine based on formal concept analysis

作者：

Highlights：

• This research aims to prove that the Web page is not the best atomic search unit.

• PREFCA, a portal retrieval engine based on formal concept analysis, is proposed.

• PREFCA has three phases: information extraction, lattice construction, and information retrieval.

• PREFCA proposes a new portal ranking technique for portal retrieval.

• PREFCA proves that portal retrieval achieves better results than page retrieval.

摘要

•This research aims to prove that the Web page is not the best atomic search unit.•PREFCA, a portal retrieval engine based on formal concept analysis, is proposed.•PREFCA has three phases: information extraction, lattice construction, and information retrieval.•PREFCA proposes a new portal ranking technique for portal retrieval.•PREFCA proves that portal retrieval achieves better results than page retrieval.

论文关键词：Information retrieval,Formal concept analysis,Network analysis,Portal retrieval

论文评审过程：Received 23 March 2015, Revised 14 August 2016, Accepted 20 August 2016, Available online 28 August 2016, Version of Record 23 November 2016.

论文官网地址：https://doi.org/10.1016/j.ipm.2016.08.002