2063 search results - page 141 / 413 » Containment of Aggregate Queries |
175
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CAISE
2010
Springer
15 years 5 months ago
2010
Springer
This paper presents SHIRI-Querying 3 , an approach for semantic search on semi-structured documents. We propose a solution to tackle incompleteness and imprecision of semantic anno...
131
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DEXA
2010
Springer
15 years 4 months ago
2010
Springer
There has been a great deal of interest in recent years on ranking query results in relational databases. This paper presents a novel method to rank objects (e.g., tuples) by explo...
115
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IR
2006
15 years 4 months ago
2006
The combination of evidence can increase retrieval effectiveness. In this paper, we investigate the effectiveness of a decision mechanism for the selective combination of evidence...
PVLDB
2010
15 years 2 months ago
2010
Dremel is a scalable, interactive ad-hoc query system for analysis of read-only nested data. By combining multi-level execution trees and columnar data layout, it is capable of ru...
179
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CORR
2010
Springer
15 years 1 months ago
2010
Springer
Because of the increasing number of electronic data, designing efficient tools to retrieve and exploit documents is a major challenge. Current search engines suffer from two main d...