Sciweavers

2566 search results - page 457 / 514
» The Online Median Problem
Sort
View
VLDB
2004
ACM
128views Database» more  VLDB 2004»
16 years 1 days ago
Operator scheduling in data stream systems
In many applications involving continuous data streams, data arrival is bursty and data rate fluctuates over time. Systems that seek to give rapid or realtime query responses in su...
Brian Babcock, Shivnath Babu, Mayur Datar, Rajeev ...
SIGMOD
2008
ACM
193views Database» more  SIGMOD 2008»
15 years 12 months ago
ARCube: supporting ranking aggregate queries in partially materialized data cubes
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
Tianyi Wu, Dong Xin, Jiawei Han
SIGMOD
2007
ACM
197views Database» more  SIGMOD 2007»
15 years 12 months ago
Automated and on-demand provisioning of virtual machines for database applications
Utility computing delivers compute and storage resources to applications as an `on-demand utility', much like electricity, from a distributed collection of computing resource...
Piyush Shivam, Azbayar Demberel, Pradeep Gunda, Da...
PODS
2002
ACM
167views Database» more  PODS 2002»
15 years 12 months ago
OLAP Dimension Constraints
In multidimensional data models intended for online analytic processing (OLAP), data are viewed as points in a multidimensional space. Each dimension has structure, described by a...
Carlos A. Hurtado, Alberto O. Mendelzon
EDBT
2002
ACM
246views Database» more  EDBT 2002»
15 years 12 months ago
Impact and Potential of User Profiles Used for Distributed Query Processing Based on Literature Services
Applying meta search systems is a suitable method to support the user if there are many different services. Due to information splitting strategies of literature services existing ...
Bethina Schmitt