2145 search results - page 158 / 429 » Pattern-Based Query Answering |
113
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SODA
2012
ACM
13 years 2 months ago
2012
ACM
The problem of approximating convex bodies by polytopes is an important and well studied problem. Given a convex body K in Rd , the objective is to minimize the number of vertices...
153
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ICDE
2012
IEEE
13 years 11 months ago
2012
IEEE
Top-k pairs queries have received significant attention by the research community. k-closest pairs queries, k-furthest pairs queries and their variants are among the most well stu...
176
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SIGMOD
2006
ACM
15 years 12 months ago
2006
ACM
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
116
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ADBIS
2000
Springer
15 years 4 months ago
2000
Springer
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...
175
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SIGMOD
2007
ACM
15 years 12 months ago
2007
ACM
Query processing over graph-structured data is enjoying a growing number of applications. Keyword search on a graph finds a set of answers, each of which is a substructure of the ...