Keyphrases
- information retrieval
- international conference
- information retrieval systems
- advances in artificial intelligence
- international workshop
- advances in information retrieval
- information extraction
- conference on artificial intelligence
- search engine
- computer science
- question answering
- test collection
- learning analytics and knowledge
- annual conference
- lecture notes
- query expansion
- language model
- retrieval systems
- document retrieval
- document collections
- vector space model
- lecture notes in artificial intelligence
- computational linguistics
- text mining
- relevant documents
- retrieval model
- information access
- relevance feedback
- artificial intelligence
- machine learning