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SIGMOD
2002
ACM
145views Database» more  SIGMOD 2002»
14 years 9 months ago
Continuously adaptive continuous queries over streams
We present a continuously adaptive, continuous query (CACQ) implementation based on the eddy query processing framework. We show that our design provides significant performance b...
Samuel Madden, Mehul A. Shah, Joseph M. Hellerstei...
ICDE
2010
IEEE
194views Database» more  ICDE 2010»
14 years 3 months ago
Visualizing cost-based XQuery optimization
Abstract— Developing a full-fledged cost-based XQuery optimizer is a fairly complex task. Nowadays, there is little knowledge concerning suitable cost formulae and optimization ...
Andreas M. Weiner, Theo Härder, Renato Olivei...
CISIS
2009
IEEE
14 years 3 months ago
Application of a Critical Chain Project Management Based Framework on Max-Plus Linear Systems
Abstract. We focus on discrete event systems with a structure of parallel processing, synchronization, and noconcurrency. We use max-plus algebra, which is an effective approach fo...
Hirotaka Takahashi, Hiroyuki Goto, Munenori Kasaha...
SSDBM
2009
IEEE
84views Database» more  SSDBM 2009»
14 years 3 months ago
Expressing OLAP Preferences
Abstract. Multidimensional databases play a relevant role in statistical and scientific applications, as well as in business intelligence systems. Their users express complex OLAP...
Matteo Golfarelli, Stefano Rizzi
ISPAN
2009
IEEE
14 years 3 months ago
SoCQ: A Framework for Pervasive Environments
Abstract—Querying non-conventional data sources is recognized as a major issue in new environments and applications such as those occurring in pervasive computing. A key issue is...
Yann Gripay, Frédérique Laforest, Je...