5856 search results - page 290 / 1172 » Developing Query Patterns |
129
Voted
VLDB
1995
ACM
15 years 7 months ago
1995
ACM
In this paper we introduce generalized projections (GPs), an extension of duplicateeliminating projections, that capture aggregations, groupbys, duplicate-eliminating projections ...
140
Voted
VLDB
1995
ACM
15 years 7 months ago
1995
ACM
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering and query rewrite (JOQR) followed by parallelization. We focus on t...
146
Voted
TDM
2004
15 years 5 months ago
2004
This paper presents the advantages of combining multiple document representation schemes for query processing of XML queries on content and structure. We show how extending the Te...
128
Voted
ERCIMDL
2010
Springer
15 years 4 months ago
2010
Springer
Given a set of keyphrases, we analyze how Web queries with these phrases can be formed that, taken altogether, return a specified number of hits. The use case of this problem is a ...
126
Voted
CORR
2008
Springer
15 years 3 months ago
2008
Springer
Abstract. Query expansion is a well known method to improve the performance of information retrieval systems. In this work we have tested different approaches to extract the candid...