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Link Structure Graphs for Representing
and Analyzing Web Sites
June 1, 2006
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Download PDF
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BibTex
Authors

Eduarda Mendes Rodrigues

Natasa Milic-Frayling

Martin Hicks

Gavin Smyth
Publication Type
TechReport
Pages
11
Number
MSR-TR-2006-94

Abstract

Related Info
Abstract
Standard Web graph representation fails to capture topic association and functional groupings of
links and their occurrence across pages in the site. That limits its applicability and usefulness. In
this paper we introduce a novel method for representing hypertext organization of Web sites in
the form of Link Structure Graphs (LSGs). The LSG captures both the organization of links at
the page level and the overall hyperlink structure of the collection of pages. It comprises vertices
that correspond to link blocks of several types and edges that describe reuse of such blocks
across pages. Identification of link blocks is approximated by the analysis of the HTML
Document Object Model (DOM). Further differentiation of blocks into types is based on the
recurrence of block elements across pages. The method gives rise to a compact representation of
all the hyperlinks on the site and enables novel analysis of the site organization. Our approach is
supported by the findings of an exploratory user study that reveals how the hyperlink structure is
generally perceived by the users. We apply the algorithm to a sample of Web sites and discuss
their link structure properties. Furthermore, we demonstrate that selective crawling strategies can
be applied to generate key elements of the LSG incrementally. This further broadens the scope of
LSG applicability.
Related Info
Related Files
 tr-2006-94.doc
Research Areas
 Programming languages and software engineering
 Search and information retrieval
Research Labs
 Microsoft Research Lab - Cambridge
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