2853 search results - page 263 / 571 » On the Efficiency of Provenance Queries |
175
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TKDE
2002
15 years 6 months ago
2002
Since WWW encourages hypertext and hypermedia document authoring (e.g. HTML or XML), Web authors tend to create documents that are composed of multiple pages connected with hyperl...
278
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
Many applications require finding objects closest to a specified location that contains a set of keywords. For example, online yellow pages allow users to specify an address and a ...
287
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ICDE
2006
IEEE
16 years 8 months ago
2006
IEEE
"Sparse" data, in which relations have many attributes that are null for most tuples, presents a challenge for relational database management systems. If one uses the no...
178
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WWW
2005
ACM
16 years 7 months ago
2005
ACM
Finding all the occurrences of a twig pattern in an XML database is a core operation for efficient evaluation of XML queries. A number of algorithms have been proposed to process ...
176
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GIR
2006
ACM
16 years 19 days ago
2006
ACM
In this paper, we present a novel indexing data structure called RDHT (Range capable Distributed Hash Table) derived from skip lists and specifically designed for storing and retr...