1000 search results - page 117 / 200 » Provenance for Aggregate Queries |
CAISE
2010
Springer
13 years 11 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...
DEXA
2010
Springer
13 years 10 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...
IR
2006
13 years 10 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
13 years 8 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...
CORR
2010
Springer
13 years 6 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...