777 search results - page 89 / 156 » Optimization of Relational Preference Queries |
160
Voted
PVLDB
2010
15 years 1 months ago
2010
Recently, there has been increasing interest in extending relational query processing to include data obtained from unstructured sources. A common approach is to use stand-alone I...
148
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HPDC
2000
IEEE
15 years 8 months ago
2000
IEEE
The dQUOB system satis es client need for speci c information from high-volume data streams. The data streams we speak of are the ow of data existing during large-scale visualizat...
110
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CHI
2003
ACM
16 years 3 months ago
2003
ACM
Despite recent advances in natural language question answering technology, the problem of designing effective user interfaces has been largely unexplored. We conducted a user stud...
133
Voted
INTERACT
2003
15 years 4 months ago
2003
: Question answering systems have proven to be helpful to users because they can provide succinct answers that do not require users to wade through a large number of documents. How...
208
Voted
ICDE
1997
IEEE
16 years 4 months ago
1997
IEEE
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...