4143 search results - page 817 / 829 » A theory of distributed aspects |
SIGIR
2008
ACM
13 years 8 months ago
2008
ACM
Many ranking models have been proposed in information retrieval, and recently machine learning techniques have also been applied to ranking model construction. Most of the existin...
SIGIR
2008
ACM
13 years 8 months ago
2008
ACM
This paper addresses the issue of query refinement, which involves reformulating ill-formed search queries in order to enhance relevance of search results. Query refinement typica...
SIGMETRICS
2008
ACM
13 years 8 months ago
2008
ACM
Burstiness and temporal dependence in service processes are often found in multi-tier architectures and storage devices and must be captured accurately in capacity planning models...
SIGMOD
2008
ACM
13 years 8 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...
TASE
2008
IEEE
13 years 8 months ago
2008
IEEE
In this paper we deal with the problem of modeling railway networks with Petri nets so as to apply the theory of supervisory control for discrete event systems to automatically de...