The HiLeX System for Semantic Information Extraction.
Marco MannaErmelinda OroMassimo RuffoloMario AlvianoNicola LeonePublished in: Trans. Large Scale Data Knowl. Centered Syst. (2012)
Keyphrases
- information extraction
- natural language
- natural language processing
- semantic tagging
- precision and recall
- semantically equivalent
- semantic knowledge
- semantic web
- conditional random fields
- semantic information
- natural language text
- high level
- ontology population
- machine learning
- semantic analysis
- linguistic patterns
- free text
- semantic annotation
- text mining
- structured data
- question answering
- ontology based information extraction
- information retrieval
- unstructured documents
- open domain
- relation extraction
- textual data
- domain ontology
- semantic network
- semantic features
- semi structured
- web documents
- semantically rich
- text representation
- semantic web technologies
- named entity recognition
- hidden markov models
- neural network
- domain independent