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» Efficiently ordering subgoals with access constraints
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PODS
2006
ACM
138views Database» more  PODS 2006»
14 years 5 months ago
Efficiently ordering subgoals with access constraints
d Abstract] Guizhen Yang Artificial Intelligence Center SRI International Menlo Park, CA 94025, USA Michael Kifer Dept. of Computer Science Stony Brook University Stony Brook, NY 1...
Guizhen Yang, Michael Kifer, Vinay K. Chaudhri
EDBT
2009
ACM
170views Database» more  EDBT 2009»
13 years 9 months ago
Efficient constraint evaluation in categorical sequential pattern mining for trajectory databases
The classic Generalized Sequential Patterns (GSP) algorithm returns all frequent sequences present in a database. However, usually a few ones are interesting from a user's po...
Leticia I. Gómez, Alejandro A. Vaisman
GLOBECOM
2009
IEEE
13 years 9 months ago
Distributed Power and Carrier Allocation in Multibeam Satellite Uplink with Individual SINR Constraints
Abstract--Current multibeam satellite systems perform centralized power and carrier allocation assuming a Multi-Frequency Time Division Multiple Access (MF-TDMA) scheme with fixed ...
J. E. Barcelo-Llado, Maria Angeles Vázquez-...
TWC
2008
235views more  TWC 2008»
13 years 4 months ago
Optimal spectrum sensing framework for cognitive radio networks
Spectrum sensing is the key enabling technology for cognitive radio networks. The main objective of spectrum sensing is to provide more spectrum access opportunities to cognitive r...
Won-Yeol Lee, Ian F. Akyildiz
ICDE
2006
IEEE
201views Database» more  ICDE 2006»
14 years 6 months ago
Counting at Large: Efficient Cardinality Estimation in Internet-Scale Data Networks
Counting in general, and estimating the cardinality of (multi-) sets in particular, is highly desirable for a large variety of applications, representing a foundational block for ...
Nikos Ntarmos, Peter Triantafillou, Gerhard Weikum