799 search results - page 18 / 160 » Query Brokers for Distributed and Flexible Query Evaluation |
SIGMOD
2008
ACM
14 years 11 months ago
2008
ACM
We consider the problem of evaluating multiple overlapping queries defined on data streams, where each query is a conjunction of multiple filters and each filter may be shared acr...
84
Voted
EMNLP
2009
14 years 9 months ago
2009
In this paper we investigate temporal patterns of web search queries. We carry out several evaluations to analyze the properties of temporal profiles of queries, revealing promisi...
PARLE
1993
15 years 3 months ago
1993
: An arithmetic approach, such as the Level-Finding method described in this paper for evaluating linear recursive queries in deductive database systems provides great potential fo...
HPDC
2002
IEEE
15 years 4 months ago
2002
IEEE
We describe a decentralized, adaptive mechanism for replica location in wide-area distributed systems. Unlike traditional, hierarchical (e.g, DNS) and more recent (e.g., CAN, Chor...
DOLAP
2004
ACM
15 years 5 months ago
2004
ACM
In today’s OLAP systems, integrating fast changing data, e.g., stock quotes, physically into a cube is complex and time-consuming. The widespread use of XML makes it very possib...