282 search results - page 33 / 57 » Merging Databases Under Constraints |
169
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DEBS
2011
ACM
14 years 6 months ago
2011
ACM
Many data-driven social and Web applications involve collaboration and coordination. The vision of declarative data-driven coordination (D3C), proposed in [9], is to support coord...
122
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GIS
1997
ACM
15 years 6 months ago
1997
ACM
Spatial indexes, such as the PMR quadtree, are important in spatial databases for efficient execution of queries involving spatial constraints, especially when the queries involve...
135
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KDD
2007
ACM
16 years 3 months ago
2007
ACM
We present DL8, an exact algorithm for finding a decision tree that optimizes a ranking function under size, depth, accuracy and leaf constraints. Because the discovery of optimal...
113
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SIGIR
2006
ACM
15 years 8 months ago
2006
ACM
We present a new family of hybrid index maintenance strategies to be used in on-line index construction for monotonically growing text collections. These new strategies improve up...
127
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PODS
2005
ACM
16 years 3 months ago
2005
ACM
Composition of mappings between schemas is essential to support schema evolution, data exchange, data integration, and other data management tasks. In many applications, mappings ...