4589 search results - page 868 / 918 » A new evaluation measure for information retrieval systems |
CCS
2004
ACM
14 years 1 months ago
2004
ACM
As network security is a growing concern, system administrators lock down their networks by closing inbound ports and only allowing outbound communication over selected protocols ...
ACMICEC
2008
ACM
13 years 9 months ago
2008
ACM
In this paper, we studied the semantic consistency maintenance issue between heterogeneous contexts, that is, how a firm business process of one e-marketplace can be transformed t...
GECCO
2009
Springer
14 years 2 months ago
2009
Springer
The sophistication of computer malware is becoming a serious threat to the information technology infrastructure, which is the backbone of modern e-commerce systems. We, therefore...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
Automatic physical database design tools rely on "what-if" interfaces to the query optimizer to estimate the execution time of the training query workload under differen...
ICEIS
2005
IEEE
14 years 1 months ago
2005
IEEE
The World Wide Web contains a huge and increasing volume of information. The web warehouse is an efficient and effective means to facilitate utilization of information on the Web,...