81 search results - page 3 / 17 » Decision Tree Parsing using a Hidden Derivation Model |
IBPRIA
2003
Springer
13 years 11 months ago
2003
Springer
Abstract. In a previous work, a new probabilistic context-free grammar (PCFG) model for natural language parsing derived from a tree bank corpus has been introduced. The model esti...
AUSAI
2003
Springer
13 years 11 months ago
2003
Springer
Abstract. As the information technology grows interests in the intrusion detection system (IDS), which detects unauthorized usage, misuse by a local user and modification of impor...
CORR
1999
Springer
13 years 5 months ago
1999
Springer
We present a technique for automatic induction of slot annotations for subcategorization frames, based on induction of hidden classes in the EM framework of statistical estimation...
HICSS
2003
IEEE
13 years 11 months ago
2003
IEEE
This paper describes a novel approach using Hidden Markov Models (HMM) to detect complex Internet attacks. These attacks consist of several steps that may occur over an extended pe...
ML
1998
ACM
13 years 5 months ago
1998
ACM
We introduce, analyze and demonstrate a recursive hierarchical generalization of the widely used hidden Markov models, which we name Hierarchical Hidden Markov Models (HHMM). Our m...