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Authors: Francisco Benjamim Filho ; Raul Pierre Renteria and Ruy Luiz Milidiú

Affiliation: Pontifícia Universidade Católica do Rio de Janeiro, Brazil

ISBN: 978-989-674-011-5

Keyword(s): Search engines, Keyword-based ranking, Link- based ranking.

Related Ontology Subjects/Areas/Topics: Artificial Intelligence ; Computational Intelligence ; Evolutionary Computing ; Information Extraction ; Knowledge Discovery and Information Retrieval ; Knowledge-Based Systems ; Machine Learning ; Soft Computing ; Symbolic Systems

Abstract: The WWW is a huge and rich environment. Web pages can be viewed as a large community of elements that are connected through links due to several issues. The HITS approach introduces two basic concepts, hubs and authorities, that reveal some hidden semantic information from the links. In this paper, we present XHITS, a generalization of HITS, that models multiple classes problems and a machine learning algorithm to calibrate it. We split classification influence into two sources. The first one is due to link propagation, whereas the second one is due to classification reinforcement. We derive a simple linear iterative equation to compute the classification values. We also provide an influence equation that shows how the two influence sources can be combined. Two special cases are explored: symmetric reinforcement and positive reinforcement. We show that for these two special cases the iterative scheme converges. Some illustrative examples and empirical test are also provided. They indi cate that XHITS is a powerful and efficient modeling approach. (More)

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Paper citation in several formats:
Benjamim Filho F.; Pierre Renteria R.; Luiz Milidiú R. and (2009). XHITS - Multiple Roles in a Hyperlinked Structure.In Proceedings of the International Conference on Knowledge Discovery and Information Retrieval - Volume 1: KDIR, (IC3K 2009) ISBN 978-989-674-011-5, pages 189-195. DOI: 10.5220/0002305601890195

@conference{kdir09,
author={Francisco {Benjamim Filho} and Raul {Pierre Renteria} and Ruy {Luiz Milidiú}},
title={XHITS - Multiple Roles in a Hyperlinked Structure},
booktitle={Proceedings of the International Conference on Knowledge Discovery and Information Retrieval - Volume 1: KDIR, (IC3K 2009)},
year={2009},
pages={189-195},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002305601890195},
isbn={978-989-674-011-5},
}

TY - CONF

JO - Proceedings of the International Conference on Knowledge Discovery and Information Retrieval - Volume 1: KDIR, (IC3K 2009)
TI - XHITS - Multiple Roles in a Hyperlinked Structure
SN - 978-989-674-011-5
AU - Benjamim Filho, F.
AU - Pierre Renteria, R.
AU - Luiz Milidiú, R.
PY - 2009
SP - 189
EP - 195
DO - 10.5220/0002305601890195

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