91 search results - page 9 / 19 » Aggregate Operators in Constraint Query Languages |
VLDB
2002
ACM
13 years 7 months ago
2002
ACM
With the rapid growth of XML-document traffic on the Internet, scalable content-based dissemination of XML documents to a large, dynamic group of consumers has become an important...
ICDT
1997
ACM
13 years 11 months ago
1997
ACM
Abstract. The goal of this paper is to study tractable iteration mechanisms for bags. The presence of duplicates in bags prevents iteration mechanisms developed in the context of s...
CCS
2008
ACM
13 years 9 months ago
2008
ACM
Privacy concerns relating to sharing network traces have traditionally been handled via sanitization, which includes removal of sensitive data and IP address anonymization. We arg...
IR
2006
13 years 7 months ago
2006
The combination of evidence can increase retrieval effectiveness. In this paper, we investigate the effectiveness of a decision mechanism for the selective combination of evidence...
EDBTW
2006
Springer
13 years 11 months ago
2006
Springer
Several query languages have been proposed for managing data streams in modern monitoring applications. Continuous queries expressed in these languages usually employ windowing con...