613 search results - page 35 / 123 » Query Evaluation on a Database Given by a Random Graph |
115
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ADBIS
2005
Springer
15 years 7 months ago
2005
Springer
We present a formal analysis of the following view-selection problem: Given a set of queries and a database, return definitions of views that, when materialized in the database, w...
110
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SEMWEB
2004
Springer
15 years 7 months ago
2004
Springer
Abstract. Increasing the number of peers in a peer-to-peer network usually increases the number of answers to a given query as well. While having more answers is nice in principle,...
231
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ICDE
2008
IEEE
16 years 3 months ago
2008
IEEE
Given a record set D and a query score function F, a top-k query returns k records from D, whose values of function F on their attributes are the highest. In this paper, we investi...
206
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ICDE
2006
IEEE
16 years 3 months ago
2006
IEEE
The high quality, structured data from Web structured sources is invaluable for many applications. Hidden Web databases are not directly crawlable by Web search engines and are on...
111
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CIKM
2007
Springer
15 years 8 months ago
2007
Springer
Dictionary-based approaches to query translation have been widely used in Cross-Language Information Retrieval (CLIR) experiments. Using these approaches, translation has been not...