55 search results - page 3 / 11 » A First Investigation of Sturmian Trees |
ACL
2006
13 years 7 months ago
2006
We investigate generalizations of the allsubtrees "DOP" approach to unsupervised parsing. Unsupervised DOP models assign all possible binary trees to a set of sentences ...
ECML
2003
Springer
13 years 11 months ago
2003
Springer
Abstract. In this work we investigate several issues in order to improve the performance of probabilistic estimation trees (PETs). First, we derive a new probability smoothing that...
PODS
2008
ACM
14 years 5 months ago
2008
ACM
We consider the navigational core of XPath, extended with two operators: the Kleene star for taking the transitive closure of path expressions, and a subtree relativisation operat...
IANDC
2008
13 years 5 months ago
2008
We study the amount of knowledge about the network that is required in order to efficiently solve a task concerning this network. The impact of available information on the effici...
ECAI
2004
Springer
13 years 11 months ago
2004
Springer
Recent work has shown the promise in using local-search “probes” as a basis for directing a backtracking-based refinement search. In this approach, the decision about the next...