59 search results - page 5 / 12 » Distributed Query Adaptation and Its Trade-offs |
MASCOTS
2004
13 years 7 months ago
2004
Unstructured peer-to-peer (P2P) system is the prevalent model in today's P2P system. In such systems, a response is sent along the same path that carried the incoming query m...
VLDB
1999
ACM
13 years 10 months ago
1999
ACM
This paper aims to improve the accuracy of query result-size estimations in query optimizers by leveraging the dynamic feedback obtained from observations on the executed query wo...
ICDCSW
2003
IEEE
13 years 11 months ago
2003
IEEE
In this paper, we propose a novel mobile agent tracking mechanism based on hashing. To allow our system to adapt to variable workloads, dynamic rehashing is supported. The propose...
ML
2000
ACM
13 years 6 months ago
2000
ACM
This paper discusses a novel distributed adaptive algorithm and representation used to construct populations of adaptive Web agents. These InfoSpiders browse networked information ...
VLDB
2004
ACM
13 years 11 months ago
2004
ACM
In data stream applications, data arrive continuously and can only be scanned once as the query processor has very limited memory (relative to the size of the stream) to work with...