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EMNLP
2008
13 years 10 months ago
Sparse Multi-Scale Grammars for Discriminative Latent Variable Parsing
We present a discriminative, latent variable approach to syntactic parsing in which rules exist at multiple scales of refinement. The model is formally a latent variable CRF gramm...
Slav Petrov, Dan Klein
NIPS
1998
13 years 10 months ago
Call-Based Fraud Detection in Mobile Communication Networks Using a Hierarchical Regime-Switching Model
Fraud causes substantial losses to telecommunication carriers. Detection systems which automatically detect illegal use of the network can be used to alleviate the problem. Previo...
Jaakko Hollmén, Volker Tresp
ESWA
2006
110views more  ESWA 2006»
13 years 9 months ago
XKey: A tool for the generation of identification keys
This paper presents the development of XKey, a tool for generating taxonomical identification keys by means of decision tree construction. The tool is based on an XML standard for...
Miguel Delgado Calvo-Flores, Waldo Fajardo Contrer...
COLING
2002
13 years 8 months ago
Hierarchical Orderings of Textual Units
Text representation is a central task for any approach to automatic learning from texts. It requires a format which allows to interrelate texts even if they do not share content w...
Alexander Mehler
DKE
2000
97views more  DKE 2000»
13 years 8 months ago
Adaptive natural language interfaces to FAQ knowledge bases
In this paper we present a natural language interface architecture, which is used for accessing FAQ knowledge bases. Since one of the main obstacles to the efficient use of natura...
Werner Winiwarter