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» Computability over The Partial Continuous Functionals
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ICDT
1999
ACM
133views Database» more  ICDT 1999»
15 years 6 months ago
A Framework for the Investigation of Aggregate Functions in Database Queries
Abstract. In this paper we present a new approach for studying aggregations in the context of database query languages. Starting from a broad de nition of aggregate function, we ad...
Luca Cabibbo, Riccardo Torlone
168
Voted
ICNP
2002
IEEE
15 years 7 months ago
An Ultra-fast Shared Path Protection Scheme - Distributed Partial Information Management, Part II
— This paper describes a novel, ultra-fast heuristic algorithm to address an NP-hard optimization problem. One of its significances is that, for the first time, the paper shows...
Dahai Xu, Chunming Qiao, Yizhi Xiong
233
Voted
GIS
2004
ACM
16 years 3 months ago
Spatio-temporal aggregates over raster image data
Spatial, temporal and spatio-temporal aggregates over continuous streams of remotely sensed image data build a fundamental operation in many applications in the environmental scie...
Jie Zhang, Michael Gertz, Demet Aksoy
DSRT
2003
IEEE
15 years 7 months ago
Enabling Real-Time Distributed Virtual Simulation over the Internet Using Host-Based Overlay Multicast
Many-to-many multicast transmission is an essential network capability for scalable distributed simulation. The many open issues that make network-layer multicast impractical over...
Dennis M. Moen, J. Mark Pullen
IJCAI
2003
15 years 3 months ago
Taming Decentralized POMDPs: Towards Efficient Policy Computation for Multiagent Settings
The problem of deriving joint policies for a group of agents that maximize some joint reward function can be modeled as a decentralized partially observable Markov decision proces...
Ranjit Nair, Milind Tambe, Makoto Yokoo, David V. ...