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CHI
2009
ACM
16 years 7 months ago
Exploring the cognitive consequences of social search
To what extent can social interactions augment people's natural search experiences? What factors influence the decision to turn to a friend for help? Our paper presents the p...
Brynn M. Evans, Sanjay Kairam, Peter Pirolli
SEMCO
2009
IEEE
16 years 1 months ago
Conceptual Space Markup Language (CSML): Towards the Cognitive Semantic Web
—CSML is a semantic markup language created for the publishing and sharing of conceptual spaces, which are geometric structures that represent semantics at the conceptual level. ...
Benjamin Adams, Martin Raubal
QEST
2009
IEEE
16 years 1 months ago
Exploiting Restricted Transitions in Quasi-Birth-and-Death Processes
—In this paper we consider Quasi-Birth-and-Death (QBD) processes where the upward (resp. downward) transitions are restricted to occur only from (resp. to) a subset of the phase ...
Juan F. Pérez, Benny Van Houdt
TAMC
2009
Springer
16 years 1 months ago
Undecidability of Cost-Bounded Reachability in Priced Probabilistic Timed Automata
Priced Probabilistic Timed Automata (PPTA) extend timed automata with cost-rates in locations and discrete probabilistic branching. The model is a natural combination of Priced Tim...
Jasper Berendsen, Taolue Chen, David N. Jansen
ICASSP
2007
IEEE
16 years 1 months ago
Speeded Up Gradient Vector Flow B-Spline Active Contours for Robust and Real-Time Tracking
Segmentation and tracking methods have been widely explore. However, they are often computationally heavy or require constraining assumptions. We present in this paper a new syste...
Joanna I. Olszewska, Christophe De Vleeschouwer, B...