8413 search results - page 1540 / 1683 » Ordering Problem Subgoals |
229
Voted
SIGMOD
2009
ACM
16 years 3 months ago
2009
ACM
Research has investigated mappings among data sources under two perspectives. On one side, there are studies of practical tools for schema mapping generation; these focus on algor...
243
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SIGMOD
2008
ACM
16 years 3 months ago
2008
ACM
A major problem in detecting events in streams of data is that the data can be imprecise (e.g. RFID data). However, current state-ofthe-art event detection systems such as Cayuga ...
207
Voted
SIGMOD
2007
ACM
16 years 3 months ago
2007
ACM
We consider in this paper a class of Publish-Subscribe (pub-sub) systems called topic-based systems, where users subscribe to topics and are notified on events that belong to thos...
229
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SIGMOD
2007
ACM
16 years 3 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...
211
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SIGMOD
2007
ACM
16 years 3 months ago
2007
ACM
Sensor networks are widely used in many applications for collecting information from the physical environment. In these applications, it is usually necessary to track the relation...