1587 search results - page 125 / 318 » UFRGS@CLEF2009: Retrieval by Numbers |
174
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CCS
2011
ACM
14 years 6 months ago
2011
ACM
Search engine optimization (SEO) techniques are often abused to promote websites among search results. This is a practice known as blackhat SEO. In this paper we tackle a newly em...
174
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CIKM
2011
Springer
14 years 6 months ago
2011
Springer
Today, a number of algorithms exist for constructing tag hierarchies from social tagging data. While these algorithms were designed with ontological goals in mind, we know very li...
282
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ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
Data sources on the web are often accessible through web interfaces that present them as relational tables, but require certain attributes to be mandatorily selected, e.g., via a w...
171
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WEBDB
2005
Springer
15 years 12 months ago
2005
Springer
Recently, there has been increased interest in the retrieval and integration of hidden Web data with a view to leverage high-quality information available in online databases. Alt...
198
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ICDE
2010
IEEE
15 years 4 months ago
2010
IEEE
In this paper, we propose the Hybrid-Layer Index (simply, the HL-index) that is designed to answer top-k queries efficiently when the queries are expressed on any arbitrary subset ...