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SIGSOFT
2009
ACM
14 years 8 days ago
Qos-driven runtime adaptation of service oriented architectures
Runtime adaptation is recognized as a viable way for a serviceoriented system to meet QoS requirements in its volatile operating environment. In this paper we propose a methodolog...
Valeria Cardellini, Emiliano Casalicchio, Vincenzo...
DAWAK
2001
Springer
14 years 3 days ago
Shared Index Scans for Data Warehouses
Tree based indexing structures like -trees, ·-trees, Bitmap indexes and Ê-trees have become essential for getting good performance when accessing vast datasets. However, most dat...
Yannis Kotidis, Yannis Sismanis, Nick Roussopoulos
FORTE
2003
13 years 9 months ago
Generation of All Counter-Examples for Push-Down Systems
We present a new, on-the-fly algorithm that given a push-down model representing a sequential program with (recursive) procedure calls and an extended finite-state automaton repr...
Samik Basu, Diptikalyan Saha, Yow-Jian Lin, Scott ...
CN
2008
97views more  CN 2008»
13 years 7 months ago
Towards real-time dynamic spectrum auctions
In this paper, we propose a low-complexity auction framework to distribute spectrum in real-time among a large number of wireless users with dynamic traffic. Our design consists o...
Sorabh Gandhi, Chiranjeeb Buragohain, Lili Cao, Ha...
INFSOF
2008
98views more  INFSOF 2008»
13 years 7 months ago
Engineering contextual knowledge for autonomic pervasive services
Services for mobile and pervasive computing should extensively exploit contextual information both to adapt to user needs and to enable autonomic behavior. This raises the problem...
Gabriella Castelli, Marco Mamei, Franco Zambonelli