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ATAL
2010
Springer
15 years 20 hour ago
Using answer set programming to model multi-agent scenarios involving agents' knowledge about other's knowledge
One of the most challenging aspects of reasoning, planning, and acting in a multi-agent domain is reasoning about what the agents know about the knowledge of their fellows, and to...
Chitta Baral, Gregory Gelfond, Tran Cao Son, Enric...
DMDW
2001
106views Management» more  DMDW 2001»
15 years 1 months ago
SISYPHUS: A Chunk-Based Storage Manager for OLAP Cubes
In this paper, we present SISYPHUS, a storage manager for data cubes that provides an efficient physical base for performing OLAP operations. On-Line Analytical Processing (OLAP) ...
Nikos Karayannidis, Timos K. Sellis
PODC
2009
ACM
16 years 11 days ago
On a selfish caching game
In this work we define and study a new model for the caching problem in a heterogeneous wireless network under a flash-crowd scenario. Using non-cooperative game theory, we cast t...
Pietro Michiardi, Carla-Fabiana Chiasserini, Claud...
ISCAS
2007
IEEE
179views Hardware» more  ISCAS 2007»
15 years 6 months ago
A Batteryless Vibration-based Energy Harvesting System for Ultra Low Power Ubiquitous Applications
—In this paper, we propose a vibration driven energy harvesting platform based on piezoelectric material. A new maximum power point tracking (MPPT) method for this platform is al...
Lu Chao, Chi-Ying Tsui, Wing-Hung Ki
ICDE
2009
IEEE
135views Database» more  ICDE 2009»
16 years 1 months ago
Forward Decay: A Practical Time Decay Model for Streaming Systems
Temporal data analysis in data warehouses and data streaming systems often uses time decay to reduce the importance of older tuples, without eliminating their influence, on the res...
Graham Cormode, Vladislav Shkapenyuk, Divesh Sriva...