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» On the Representation of Timed Polyhedra
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JETAI
2002
69views more  JETAI 2002»
13 years 9 months ago
The interaction of representations and planning objectives for decision-theoretic planning tasks
We study decision-theoretic planning or reinforcement learning in the presence of traps such as steep slopes for outdoor robots or staircases for indoor robots. In this case, achi...
Sven Koenig, Yaxin Liu
GECCO
2007
Springer
172views Optimization» more  GECCO 2007»
14 years 3 months ago
Acquiring evolvability through adaptive representations
Adaptive representations allow evolution to explore the space of phenotypes by choosing the most suitable set of genotypic parameters. Although such an approach is believed to be ...
Joseph Reisinger, Risto Miikkulainen
ECAL
2003
Springer
14 years 2 months ago
Are There Representations in Embodied Evolved Agents? Taking Measures
Abstract. The question of conceptual representation has received considerable attention in philosophy, neuroscience and embodied evolved agents. Numerous theories on the interpreta...
Hezi Avraham, Gal Chechik, Eytan Ruppin
KDD
2008
ACM
178views Data Mining» more  KDD 2008»
14 years 10 months ago
iSAX: indexing and mining terabyte sized time series
Current research in indexing and mining time series data has produced many interesting algorithms and representations. However, it has not led to algorithms that can scale to the ...
Jin Shieh, Eamonn J. Keogh
ISBI
2008
IEEE
14 years 10 months ago
Investigating implicit shape representations for alignment of livers from serial CT examinations
In this paper, we examine the use of implicit shape representations for nonrigid registration of serial CT liver examinations. Using ground truth in the form of corresponding land...
Nathan D. Cahill, Grace Vesom, Lena Gorelick, Joan...