6846 search results - page 418 / 1370 » Querying a summary of database |
256
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SIGMOD
2012
ACM
13 years 9 months ago
2012
ACM
The popularity of mobile social networking services (mSNSs) is propelling more and more businesses, especially those in retailing and marketing, into mobile and location-based for...
306
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SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
A large number of online databases are hidden behind the web. Users to these systems can form queries through web forms to retrieve a small sample of the database. Sampling such h...
175
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ALT
2000
Springer
15 years 11 months ago
2000
Springer
A conjunctive query problem in relational database theory is a problem to determine whether or not a tuple belongs to the answer of a conjunctive query over a database. Here, a tup...
354
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ICDE
2002
IEEE
16 years 8 months ago
2002
IEEE
Internet search engines have popularized the keywordbased search paradigm. While traditional database management systems offer powerful query languages, they do not allow keyword-...
160
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FOIKS
2004
Springer
16 years 6 days ago
2004
Springer
Despite the fact that thousands of applications manipulate plans, there has been no work to date on managing large databases of plans. In this paper, we first propose a formal mod...