6846 search results - page 165 / 1370 » Querying a summary of database |
199
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EDBT
2010
ACM
15 years 9 months ago
2010
ACM
Recently, there has been growing interest in random sampling from online hidden databases. These databases reside behind form-like web interfaces which allow users to execute sear...
181
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DEXA
2009
Springer
15 years 10 months ago
2009
Springer
Abstract. Sensor database is a type of database management system which offers sensor data and stored data in its data model and query languages. In this system, when a user poses ...
186
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EDBT
2010
ACM
16 years 1 months ago
2010
ACM
There are two broad approaches to query evaluation over probabilistic databases: (1) Intensional Methods proceed by manipulating expressions over symbolic events associated with u...
267
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
284
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Graphs are prevalently used to model the relationships between objects in various domains. With the increasing usage of graph databases, it has become more and more demanding to e...