2985 search results - page 167 / 597 » Indexing Distributed Complex Data for Complex Queries |
157
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SIGMOD
2005
ACM
16 years 5 months ago
2005
ACM
Advanced database systems face a great challenge raised by the emergence of massive, complex structural data in bioinformatics, chem-informatics, and many other applications. The ...
250
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SIGMOD
2006
ACM
16 years 5 months ago
2006
ACM
This paper introduces the Tuple Graph (TuG) synopses, a new class of data summaries that enable accurate selectivity estimates for complex relational queries. The proposed summari...
256
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ICDE
2007
IEEE
16 years 6 months ago
2007
IEEE
Logical constraints, (e.g., 'phone numbers in toronto can have prefixes 416, 647, 905 only'), are ubiquitous in relational databases. Traditional integrity constraints, ...
167
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PODS
2008
ACM
16 years 5 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
149
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CIKM
2009
Springer
15 years 11 months ago
2009
Springer
Support vector machines (SVMs) have been widely used in multimedia retrieval to learn a concept in order to find the best matches. In such a SVM active learning environment, the ...