552 search results - page 68 / 111 » Efficient Algorithms for Processing XPath Queries |
116
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PVLDB
2010
14 years 6 months ago
2010
Top-k queries are widely applied for retrieving a ranked set of the k most interesting objects based on the individual user preferences. As an example, in online marketplaces, cus...
SIGMOD
2001
ACM
15 years 12 months ago
2001
ACM
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...
102
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WWW
2008
ACM
16 years 15 days ago
2008
ACM
This paper presents PrivacyGrid - a framework for supporting anonymous location-based queries in mobile information delivery systems. The PrivacyGrid framework offers three unique...
192
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GIS
2008
ACM
16 years 27 days ago
2008
ACM
Trip planning search (TPS) represents an important class of queries in Geographic Information Systems (GIS). In many real-world applications, TPS requests are issued with a number...
KDD
1998
ACM
15 years 4 months ago
1998
ACM
For a wide variety of classification algorithms, scalability to large databases can be achieved by observing that most algorithms are driven by a set of sufficient statistics that...