750 search results - page 46 / 150 » Aggregates in Possibilistic Databases |
ICDE
2010
IEEE
14 years 5 months ago
2010
IEEE
— To cope with bursty arrivals of high-volume data, a DSMS has to shed load while minimizing the degradation of Quality of Service (QoS). In this paper, we show that this problem...
ECAI
1998
Springer
14 years 1 months ago
1998
Springer
Abstract. We extend different Description Logics by concrete domains (such as integers and reals) and by aggregation functions over these domains (such as min;max;count;sum), which...
VLDB
2002
ACM
13 years 9 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...
ICDE
2006
IEEE
14 years 11 months ago
2006
IEEE
Aggregate monitoring over data streams is attracting more and more attention in research community due to its broad potential applications. Existing methods suffer two problems, 1...
SIGMOD
2005
ACM
14 years 10 months ago
2005
ACM
A windowed query operator breaks a data stream into possibly overlapping subsets of data and computes results over each. Many stream systems can evaluate window aggregate queries....