Hidden Markov Models and Text Classifiers for Information Extraction on Semi-Structured Texts.
Flávia A. BarrosEduardo F. A. SilvaRicardo Bastos Cavalcante PrudêncioValmir M. FilhoAndré C. A. NascimentoPublished in: HIS (2008)
Keyphrases
- hidden markov models
- semi structured
- text classifiers
- information extraction
- text documents
- document classification
- text classification
- natural language text
- text mining
- text data
- text categorization
- structured data
- web documents
- free text
- naive bayes
- data extraction
- natural language processing
- machine learning
- natural language
- textual data
- web data
- information retrieval
- conditional random fields
- named entities
- web mining
- data model
- bag of words
- labeled data
- database
- feature selection
- search engine
- information retrieval systems
- semantic features
- learning algorithm
- unsupervised learning