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» Tracking a Generator by Persistence
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TREC
2007
14 years 10 months ago
Semantic Extensions of the Ephyra QA System for TREC 2007
We describe recent extensions to the Ephyra question answering (QA) system and their evaluation in the TREC 2007 QA track. Existing syntactic answer extraction approaches for fact...
Nico Schlaefer, Jeongwoo Ko, Justin Betteridge, Ma...
HPDC
2010
IEEE
14 years 10 months ago
Efficient querying of distributed provenance stores
Current projects that automate the collection of provenance information use a centralized architecture for managing the resulting metadata - that is, provenance is gathered at rem...
Ashish Gehani, Minyoung Kim, Tanu Malik
71
Voted
GECCO
2008
Springer
144views Optimization» more  GECCO 2008»
14 years 10 months ago
Multi-resistant radar jamming using genetic algorithms
The next generation of advanced self-protection jammers is expected to deliver effective and energy efficient jamming against modern air tracking radars. However, optimizing such ...
Hans Jonas Fossum Moen, Stein Kristoffersen
AUTOMATICA
2007
191views more  AUTOMATICA 2007»
14 years 9 months ago
Navigation function-based visual servo control
Abstract: I n this paper, the mapping between the desired camera feature vector and the desired camera pose (i.e., the position, and orientation) is investigated to develop a measu...
Jian Chen, Darren M. Dawson, Warren E. Dixon, Vila...
CORR
2010
Springer
186views Education» more  CORR 2010»
14 years 9 months ago
Channel Estimation for Opportunistic Spectrum Access: Uniform and Random Sensing
The knowledge of channel statistics can be very helpful in making sound opportunistic spectrum access decisions. It is therefore desirable to be able to efficiently and accurately...
Quanquan Liang, Mingyan Liu