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SIGIR
2004
ACM
13 years 9 months ago
Usefulness of hyperlink structure for query-biased topic distillation
In this paper, we introduce an information theoretic method for estimating the usefulness of the hyperlink structure induced from the set of retrieved documents. We evaluate the e...
Vassilis Plachouras, Iadh Ounis
RIAO
2004
13 years 5 months ago
Selective Combination of Evidence for Topic Distillation using Document and Aggregate-level Information
The combination of evidence for Information Retrieval has been studied extensively in order to increase effectiveness. In this paper, we study the selective application of differe...
Vassilis Plachouras, Iadh Ounis, Fidel Cacheda
SIGIR
1998
ACM
13 years 8 months ago
Improved Algorithms for Topic Distillation in a Hyperlinked Environment
This paper addresses the problem of topic distillation on the World Wide Web, namely, given a typical user query to find quality documents related to the query topic. Connectivity...
Krishna Bharat, Monika Rauch Henzinger
WWW
2004
ACM
14 years 5 months ago
Distribution of relevant documents in domain-level aggregates for topic distillation
In this paper, we study the distribution of relevant documents in aggregates, formed by grouping the retrieved documents according to their domain. For each aggregate, we take int...
Vassilis Plachouras, Iadh Ounis
APWEB
2005
Springer
13 years 10 months ago
Level-Based Link Analysis
In order to get high-quality web pages, search engines often resort retrieval pages by their ranks. The rank is a kind of measurement of importance of pages. Famous ranking algorit...
Guang Feng, Tie-Yan Liu, Xu-Dong Zhang, Tao Qin, B...