Effective Information Extraction with Semantic Affinity Patterns and Relevant Regions.
Siddharth PatwardhanEllen RiloffPublished in: EMNLP-CoNLL (2007)
Keyphrases
- information extraction
- linguistic patterns
- natural language
- question answering
- semantic web
- information retrieval
- precision and recall
- text mining
- natural language processing
- machine learning
- pairwise
- web documents
- high level
- semi structured
- image segmentation
- pattern discovery
- free text
- relational learning
- semantically related
- spatial patterns
- flow patterns