Enhancing keyword-based botanical information retrieval with information extraction.
Xiaoya TangPublished in: SIGIR (2008)
Keyphrases
- information extraction
- information retrieval
- text mining
- natural language
- text documents
- natural language processing
- relation extraction
- question answering
- text processing
- precision and recall
- named entities
- semantic search
- structured data
- web documents
- free text
- information retrieval systems
- keywords
- named entity recognition
- machine learning
- web mining
- query expansion
- conditional random fields
- query refinement
- semi structured
- search engine
- vector space model
- learning to rank
- machine translation
- knowledge discovery
- document collections
- relational learning
- data sets
- textual data
- text retrieval
- retrieval effectiveness
- language model
- open domain
- data extraction
- computational linguistics
- ontology based information extraction
- information filtering
- word sense disambiguation
- document retrieval
- co occurrence
- artificial intelligence