Statistical Machine Translation based Passage Retrieval for Cross-Lingual Question Answering --- Experiments at NTCIR-6.
Tomoyosi AkibaKei ShimizuAtsushi FujiiKatunobu ItouPublished in: NTCIR (2007)
Keyphrases
- statistical machine translation
- passage retrieval
- cross lingual
- question answering
- machine translation
- test collection
- language modeling
- cross language information retrieval
- retrieval model
- language model
- cross language
- natural language processing
- information retrieval
- translation model
- information extraction
- query translation
- natural language
- retrieval effectiveness
- question answering systems
- document retrieval
- text classification
- retrieval systems
- relevant documents
- query expansion
- machine translation system
- machine learning
- syntactic information
- target language
- average precision
- information retrieval systems
- word sense disambiguation
- n gram
- relevance model
- semantic roles
- named entities
- document collections
- transfer learning