766 search results - page 123 / 154 » Commuting aggregation operators |
SIGMOD
2010
ACM
14 years 12 days ago
2010
ACM
Uncertain data streams, where data is incomplete, imprecise, and even misleading, have been observed in many environments. Feeding such data streams to existing stream systems pro...
SIGMETRICS
1999
ACM
13 years 12 months ago
1999
ACM
—This paper evaluates techniques for improving operating system and network protocol software support for high-performance World Wide Web servers. We study approaches in three ca...
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...
VLDB
1994
ACM
13 years 11 months ago
1994
ACM
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
IAT
2007
IEEE
13 years 11 months ago
2007
IEEE
This paper presents a design of high-speed network traffic acquisition subsystem suitable for agent-based intrusion detection systems. To match the performance requirements and to...