964 search results - page 62 / 193 » Efficiently Ordering Query Plans for Data Integration |
344
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KDID
2004
15 years 6 months ago
2004
Abstract. Database systems are islands of structure in a sea of unstructured data sources. Several real-world applications now need to create bridges for smooth integration of semi...
153
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JAIR
2008
15 years 4 months ago
2008
In order for agents to act on behalf of users, they will have to retrieve and integrate vast amounts of textual data on the World Wide Web. However, much of the useful data on the...
146
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TMI
2008
15 years 4 months ago
2008
Abstract-- We present a new method for automatic segmentation of heterogeneous image data that takes a step toward bridging the gap between bottom-up affinity-based segmentation me...
183
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PODS
2002
ACM
16 years 4 months ago
2002
ACM
We consider the fundamental operation of applying a conjunction of selection conditions to a set of records. With large main memories available cheaply, systems may choose to keep...
138
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DEXA
2008
Springer
15 years 6 months ago
2008
Springer
The query performance for tracing tags depends upon the distribution of tag trajectories in the data space. We examine a more efficient representation of tag trajectories by means ...