Hierarchical Hidden Markov Models for Information Extraction.
Marios SkounakisMark CravenSoumya RayPublished in: IJCAI (2003)
Keyphrases
- hierarchical hidden markov models
- information extraction
- generative model
- structured data
- free text
- precision and recall
- natural language processing
- named entity recognition
- information retrieval
- text mining
- web documents
- named entities
- machine learning
- information extraction systems
- unstructured text
- semi structured
- web mining
- conditional random fields
- machine translation
- text documents
- ontology based information extraction
- question answering
- relation extraction
- textual data
- text summarization
- text processing
- wordnet
- probabilistic model
- neural network