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SAC
2008
ACM
13 years 7 months ago
A clustering-based approach for discovering interesting places in trajectories
Because of the large amount of trajectory data produced by mobile devices, there is an increasing need for mechanisms to extract knowledge from this data. Most existing works have...
Andrey Tietbohl Palma, Vania Bogorny, Bart Kuijper...
WWW
2010
ACM
13 years 6 months ago
Building a Usable and Accessible Semantic Web Interaction Platform
Semantic Web applications take off is being slower than expected, at least with respect to “real-world” applications and users. One of the main reasons for this lack of adoptio...
Roberto García, Juan Manuel Gimeno, Ferran ...
JMLR
2010
136views more  JMLR 2010»
13 years 2 months ago
Approximate Riemannian Conjugate Gradient Learning for Fixed-Form Variational Bayes
Variational Bayesian (VB) methods are typically only applied to models in the conjugate-exponential family using the variational Bayesian expectation maximisation (VB EM) algorith...
Antti Honkela, Tapani Raiko, Mikael Kuusela, Matti...
PIMRC
2010
IEEE
13 years 5 months ago
Power control versus multiuser detection based cross-layer design in wireless ad hoc networks
Abstract--In wireless ad hoc networks, multiple access interference is the limiting factor for the overall system performance. The lack of any central control unit necessitates a c...
Ulrike Korger, Christian Hartmann, Katsutoshi Kusu...
CN
2006
83views more  CN 2006»
13 years 7 months ago
A generic characterization of the overheads imposed by IPsec and associated cryptographic algorithms
This paper presents an assessment of the communication overheads of IPsec and evaluates the feasibility of deploying it on handheld devices for the UMTS architecture. A wide range...
Christos Xenakis, Nikolaos Laoutaris, Lazaros F. M...