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» Coherence in finite argument systems
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CVPR
2007
IEEE
14 years 7 months ago
A Lagrangian Particle Dynamics Approach for Crowd Flow Segmentation and Stability Analysis
This paper proposes a framework in which Lagrangian Particle Dynamics is used for the segmentation of high density crowd flows and detection of flow instabilities. For this purpos...
Saad Ali, Mubarak Shah
SIGMOD
1990
ACM
76views Database» more  SIGMOD 1990»
13 years 9 months ago
Querying Database Knowledge
The role of database knowledge 1susually limited to the evaluation of data queries In this paper we argue that when this knowledge 1sof substantial volume and complexity, there 1s...
Amihai Motro, Qiuhui Yuan
JSAC
2008
90views more  JSAC 2008»
13 years 4 months ago
Limited feedback schemes for downlink OFDMA based on sub-channel groups
Abstract--In a downlink Orthogonal Frequency Division Multiple Access (OFDMA) system, optimally allocating sub-channels across mobile users can require excessive feedback of channe...
Jieying Chen, Randall A. Berry, Michael L. Honig
ATAL
2005
Springer
13 years 10 months ago
Protocol synthesis with dialogue structure theory
Inspired by computational linguistic approaches to annotate the structures that occur in human dialogue, this paper describes a technique which encodes these structures as transfo...
Jarred McGinnis, David Robertson, Christopher Walt...
ICDT
2010
ACM
211views Database» more  ICDT 2010»
14 years 2 months ago
Probabilistic Data Exchange
The work reported here lays the foundations of data exchange in the presence of probabilistic data. This requires rethinking the very basic concepts of traditional data exchange, ...
Ronald Fagin, Benny Kimelfeld, Phokion Kolaitis