620 search results - page 86 / 124 » Optimizing Path Expression Queries of XML Data |
137
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ICWSM
2009
15 years 23 days ago
2009
User generated content is extremely valuable for mining market intelligence because it is unsolicited. We study the problem of analyzing users' sentiment and opinion in their...
119
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ICDE
2007
IEEE
15 years 9 months ago
2007
IEEE
The ability to query data streams is of increasing importance and has been identified as a crucial element for modern organizations and agencies. This paper identifies a class o...
141
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AAAI
2007
15 years 5 months ago
2007
In many sensing applications we must continuously gather information to provide a good estimate of the state of the environment at every point in time. A robot may tour an environ...
137
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EDBTW
2006
Springer
15 years 6 months ago
2006
Springer
Abstract. Recent research efforts in the fields of data stream processing and data stream management systems (DSMSs) show the increasing importance of processing data streams, e. g...
123
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VLDB
2004
ACM
15 years 8 months ago
2004
ACM
This paper presents a novel and complementary technique to optimize an XPath query by minimizing its wildcard steps. Our approach is based on using a general composite axis called...