Overcoming Semantic Drift in Information Extraction.
Zhixu LiHongsong LiHaixun WangYi YangXiangliang ZhangXiaofang ZhouPublished in: EDBT (2014)
Keyphrases
- information extraction
- natural language
- semantic tagging
- natural language processing
- semantic information
- precision and recall
- free text
- semantic similarity
- ontology population
- unstructured documents
- domain specific
- machine learning
- semantic annotation
- linguistic patterns
- textual data
- named entities
- open domain
- question answering
- semantic web
- natural language understanding
- semantic knowledge
- semantic features
- semantic web technologies
- context dependent
- conditional random fields
- semantic network
- web mining
- structured data
- web documents
- text mining
- semantically equivalent
- ontology based information extraction
- data sets
- natural language text
- text processing
- semantic relationships
- text documents
- domain ontology
- co occurrence
- high level
- information retrieval
- neural network