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» Presenting Data from Experiments in Algorithmics
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WWW
2004
ACM
16 years 8 months ago
A community-aware search engine
Current search technologies work in "one size fits all" fashion. Therefore, the answer to a query is independent of specific user information need. In this paper, we des...
Rodrigo B. Almeida, Virgílio A. F. Almeida
SIGMOD
2005
ACM
118views Database» more  SIGMOD 2005»
16 years 7 months ago
RPJ: Producing Fast Join Results on Streams through Rate-based Optimization
We consider the problem of "progressively" joining relations whose records are continuously retrieved from remote sources through an unstable network that may incur temp...
Yufei Tao, Man Lung Yiu, Dimitris Papadias, Marios...
VTC
2008
IEEE
224views Communications» more  VTC 2008»
16 years 2 months ago
Dynamic Spectrum Allocation in Wireless Cognitive Sensor Networks: Improving Fairness and Energy Efficiency
Abstract- This paper considers the centralized spectrum allocations in resource-constrained wireless sensor networks with the following goals: (1) allocate spectrum as fairly as po...
Sang-Seon Byun, Ilangko Balasingham, Xuedong Liang
ICRA
2007
IEEE
140views Robotics» more  ICRA 2007»
16 years 1 months ago
Recognising and Modelling Landmarks to Close Loops in Outdoor SLAM
Abstract— In this paper, simultaneous localisation and mapping (SLAM) is combined with landmark recognition to close large loops in unstructured, outdoor environments. Camera and...
Fabio T. Ramos, Juan Nieto, Hugh F. Durrant-Whyte
ECML
2007
Springer
16 years 1 months ago
Discriminative Sequence Labeling by Z-Score Optimization
Abstract. We consider a new discriminative learning approach to sequence labeling based on the statistical concept of the Z-score. Given a training set of pairs of hidden-observed ...
Elisa Ricci, Tijl De Bie, Nello Cristianini