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QUESTA
2010
89views more  QUESTA 2010»
15 years 5 months ago
Asymptotically optimal importance sampling for Jackson networks with a tree topology
Consider a stable open Jackson Network with a tree topology. Customers arrive at the single root of the tree. The system is stable in the sense that the average service rate at ea...
Ali Devin Sezer
EMNLP
2010
15 years 4 months ago
Unsupervised Induction of Tree Substitution Grammars for Dependency Parsing
Inducing a grammar directly from text is one of the oldest and most challenging tasks in Computational Linguistics. Significant progress has been made for inducing dependency gram...
Phil Blunsom, Trevor Cohn
SIGDIAL
2010
15 years 4 months ago
Probabilistic Ontology Trees for Belief Tracking in Dialog Systems
We introduce a novel approach for robust belief tracking of user intention within a spoken dialog system. The space of user intentions is modeled by a probabilistic extension of t...
Neville Mehta, Rakesh Gupta, Antoine Raux, Deepak ...
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IWOCA
2010
Springer
219views Algorithms» more  IWOCA 2010»
15 years 1 months ago
Efficient Chaining of Seeds in Ordered Trees
We consider here the problem of chaining seeds in ordered trees. Seeds are mappings between two trees Q and T and a chain is a subset of non overlapping seeds that is consistent wi...
Julien Allali, Cedric Chauve, Pascal Ferraro, Anne...
FOCI
2007
IEEE
16 years 1 months ago
Opposite Transfer Functions and Backpropagation Through Time
— Backpropagation through time is a very popular discrete-time recurrent neural network training algorithm. However, the computational time associated with the learning process t...
Mario Ventresca, Hamid R. Tizhoosh