Trend Information Extraction Based on Relative Expression Participated on MuST T2N Subtask.
Yasuhiro UenishiFumito MasuiTatsuaki MatsubaAtsuo KawaiNaoki IsuPublished in: NTCIR (2008)
Keyphrases
- information extraction
- precision and recall
- machine learning
- information retrieval
- natural language processing
- named entity recognition
- free text
- open domain
- named entities
- data mining
- text processing
- relational learning
- semi structured
- question answering
- text mining
- artificial intelligence
- conditional random fields
- web mining
- pairwise
- real time
- ontology based information extraction
- text documents
- web documents
- knowledge discovery
- information systems