2063 search results - page 198 / 413 » Containment of Aggregate Queries |
139
Voted
VLDB
1994
ACM
15 years 9 months ago
1994
ACM
Index structures for multiple sets can be classified into those that group entries according to their key values and those that group entries according to their set membership. Th...
143
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KRDB
2003
15 years 6 months ago
2003
Keyword-based web query languages suffer from a lack of precision when searching for a precise kind of documents. Indeed, some documents cannot be simply characterized by a list o...
183
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JODS
2006
15 years 4 months ago
2006
While providing a uniform syntax and a semistructured data model, XML does not express semantics but only structure such as nesting information. In this paper, we consider the prob...
157
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TKDE
2008
15 years 4 months ago
2008
Given a user keyword query, current Web search engines return a list of individual Web pages ranked by their "goodness" with respect to the query. Thus, the basic unit fo...
135
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PVLDB
2008
15 years 4 months ago
2008
We describe XTreeNet, a distributed query dissemination engine which facilitates democratization of publishing and efficient data search among members of online communities with p...