Patent Document Retrieval and Classification at KAIST.
Jae-Ho KimJin-Xia HuangHa-Yong JungKey-Sun ChoiPublished in: NTCIR (2005)
Keyphrases
- document retrieval
- information retrieval
- document collections
- language model
- text retrieval
- retrieval model
- relevant documents
- learning to rank
- text classification
- classification accuracy
- decision trees
- relevance feedback
- cross language
- feature selection
- ranking functions
- feature extraction
- inverted index
- passage retrieval
- spreading activation
- machine learning
- feature space
- image classification
- document image retrieval
- document ranking
- query independent
- keyphrases
- pseudo relevance feedback
- language modeling
- search engine
- naive bayes
- information extraction
- supervised learning