A probabilistic relevance propagation model for hypertext retrieval

A major challenge in developing models for hypertext retrieval is to effectively combine content information with the link structure available in hypertext collections. Although several link-based ranking methods have been developed to improve retrieval results, none of them can fully exploit the discrimination power of contents as well as fully exploit all useful link structures. In this paper, we propose a general relevance propagation framework for combining content and link information. The framework gives a probabilistic score to each document defined based on a probabilistic surfing model. Two main characteristics of our framework are our probabilistic view on the relevance propagation model and propagation through multiple sets of neighbors. We compare eight different models derived from the probabilistic relevance propagation framework on two standard TREC Web test collections. Our results show that all the eight relevance propagation models can outperform the baseline content...

• Type: Conference
• Year: 2006
• Where: CIKM
• Authors: Azadeh Shakery, ChengXiang Zhai
• Keywords: CIKM 2006, Information Management, Probabilistic Relevance Propagation, Relevance Propagation, Relevance Propagation Framework