27756 search results - page 294 / 5552 » Process Query Systems |
192
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SIGMOD
2007
ACM
16 years 3 months ago
2007
ACM
Optimizing SQL subqueries has been an active area in database research and the database industry throughout the last decades. Previous work has already identified some approaches ...
131
Voted
KESAMSTA
2007
Springer
15 years 9 months ago
2007
Springer
Queueing Theory deals with problems where some restricted resource should be shared between competitive flow of requests. In this paper we use Queueing Theory methods to perform a...
143
Voted
SIGMOD
2000
ACM
15 years 8 months ago
2000
ACM
Continuous queries are persistent queries that allow users to receive new results when they become available. While continuous query systems can transform a passive web into an ac...
152
Voted
CLEF
2006
Springer
15 years 7 months ago
2006
Springer
This paper describes the participation of Columbus Project of Microsoft Research Asia (MSRA) in the GeoCLEF 2006 (a cross-language geographical retrieval track which is part of Cr...
210
Voted
VLDB
2009
ACM
16 years 3 months ago
2009
ACM
We consider the problem of using sampling to estimate the result of an aggregation operation over a subset-based SQL query, where a subquery is correlated to an outer query by a NO...