2853 search results - page 189 / 571 » On the Efficiency of Provenance Queries |
190
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AIRWEB
2006
Springer
15 years 10 months ago
2006
Springer
Search engines are commercial entities that require revenue to survive. The most prevalent revenue stream for search engines is sponsored search, where content providers have sear...
199
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JAR
2007
15 years 6 months ago
2007
As applications of description logics proliferate, efficient reasoning with knowledge bases containing many assertions becomes ever more important. For such cases, we developed a n...
149
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DEBU
2010
15 years 3 months ago
2010
Provenance is often used to validate data, by verifying its origin and explaining its derivation. When searching for "causes" of tuples in the query results or in genera...
190
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PVLDB
2010
15 years 1 months ago
2010
Rule-based information extraction from text is increasingly being used to populate databases and to support structured queries on unstructured text. Specification of suitable info...
303
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ICDE
2004
IEEE
16 years 8 months ago
2004
IEEE
The effectiveness of many existing high-dimensional indexing structures is limited to specific types of queries and workloads. For example, while the Pyramid technique and the iMi...