Semantics-based information extraction for detecting economic events.
Alexander HogenboomFrederik HogenboomFlavius FrasincarKim SchoutenOtto van der MeerPublished in: Multim. Tools Appl. (2013)
Keyphrases
- information extraction
- event extraction
- natural language processing
- event detection
- text mining
- precision and recall
- free text
- structured data
- textual data
- named entities
- question answering
- web documents
- information retrieval
- open domain
- semantic tagging
- machine learning
- relation extraction
- human activities
- text documents
- automatic detection
- named entity recognition
- temporal patterns
- news stories
- semi structured
- natural language text
- web mining
- data mining
- ontology based information extraction