552 search results - page 76 / 111 » Efficient Algorithms for Processing XPath Queries |
100
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EDBT
2006
ACM
15 years 12 months ago
2006
ACM
The need of processing graph reachability queries stems from many applications that manage complex data as graphs. The applications include transportation network, Internet traffic...
188
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SIGMOD
2006
ACM
15 years 12 months ago
2006
ACM
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...
113
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ICDE
2010
IEEE
14 years 9 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 ...
114
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SIGMOD
2003
ACM
15 years 12 months ago
2003
ACM
Many applications employ sensors for monitoring entities such as temperature and wind speed. A centralized database tracks these entities to enable query processing. Due to contin...
104
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COMAD
2008
15 years 1 months ago
2008
Web is the most important repository of different kinds of media such as text, sound, video, images etc. Web mining is the process of applying data mining techniques to automatica...