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VLDB
2004
ACM
158views Database» more  VLDB 2004»
16 years 3 days ago
REHIST: Relative Error Histogram Construction Algorithms
Histograms and Wavelet synopses provide useful tools in query optimization and approximate query answering. Traditional histogram construction algorithms, such as V-Optimal, optim...
Sudipto Guha, Kyuseok Shim, Jungchul Woo
XSYM
2004
Springer
115views Database» more  XSYM 2004»
16 years 3 days ago
XQuery Processing with Relevance Ranking
Abstract. We are presenting a coherent framework for XQuery processing that incorporates IR-style approximate matching and allows the ordering of results by their relevance score. ...
Leonidas Fegaras
LAWEB
2003
IEEE
16 years 1 days ago
Finding Buying Guides with a Web Carnivore
Research on buying behavior indicates that buying guides perform an important role in the overall buying process. However, while many buying guides can be found on the Web, findin...
Reiner Kraft, Raymie Stata
SAC
2003
ACM
16 years 22 hour ago
WebSOGO: A Global Ontology for Describing Web Sources
Based on the limitations raised by existing approaches in the context of the Semantic Web, we propose a formalism, Web Sources Global Ontology (WebSOGO), a data meta-model for the...
Edna Ruckhaus, Maria-Esther Vidal
SIGIR
2003
ACM
16 years 20 hour ago
Beyond independent relevance: methods and evaluation metrics for subtopic retrieval
We present a non-traditional retrieval problem we call subtopic retrieval. The subtopic retrieval problem is concerned with finding documents that cover many different subtopics ...
ChengXiang Zhai, William W. Cohen, John D. Laffert...
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