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» Undecidability over Continuous Time
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KDD
2006
ACM
177views Data Mining» more  KDD 2006»
14 years 9 months ago
Topics over time: a non-Markov continuous-time model of topical trends
This paper presents an LDA-style topic model that captures not only the low-dimensional structure of data, but also how the structure changes over time. Unlike other recent work t...
Xuerui Wang, Andrew McCallum
TIT
2008
65views more  TIT 2008»
13 years 8 months ago
Power-Efficient Resource Allocation for Time-Division Multiple Access Over Fading Channels
We investigate resource allocation policies for time-division multiple access (TDMA) over fading channels in the power-limited regime. For frequency-flat block-fading channels and ...
Xin Wang, Georgios B. Giannakis
EUROPAR
2006
Springer
14 years 7 days ago
Multicost Routing over an Infinite Time Horizon in Energy and Capacity Constrained Wireless Ad-Hoc Networks
Abstract. In this work we study the dynamic one-to-one communication problem in energy- and capacity-constrained wireless ad-hoc networks. The performance of such networks is evalu...
Christos A. Papageorgiou, Panagiotis C. Kokkinos, ...
JUCS
2006
116views more  JUCS 2006»
13 years 8 months ago
Extension of CQL over Dynamic Databases
: CQL, Continuous Query Language is suitable for data stream queries. Sometimes it is better if the queries operate on relational databases and data streams simultaneously. The exe...
Antal Buza
CIARP
2007
Springer
14 years 2 months ago
A Method for Estimating Authentication Performance over Time, with Applications to Face Biometrics
Underlying biometrics are biological tissues that evolve over time. Hence, biometric authentication (and recognition in general) is a dynamic pattern recognition problem. We propos...
Norman Poh, Josef Kittler, Raymond S. Smith, Jose ...