Assessing sparse information extraction using semantic contexts.
Pei-Pei LiHaixun WangHongsong LiXindong WuPublished in: CIKM (2013)
Keyphrases
- information extraction
- natural language
- semantic tagging
- sparse data
- information retrieval
- semantic information
- unstructured documents
- precision and recall
- named entity recognition
- domain specific
- sparse representation
- semantic knowledge
- linguistic patterns
- free text
- ontology population
- question answering
- text mining
- natural language processing
- high dimensional
- web mining
- semantic similarity
- semantic web
- natural language text
- semantic search
- data sets
- semantic representation
- semantic features
- relation extraction
- extracting meaningful
- ontology based information extraction
- semantic analysis
- context dependent
- low level features
- machine translation
- domain ontology
- conditional random fields
- wordnet