Keyphrases
- open source
- information retrieval
- bug localization
- source code
- information retrieval systems
- open source software
- digital libraries
- case study
- document collections
- search engine
- test collection
- learning algorithm
- artificial intelligence
- latent semantic indexing
- text mining
- language model
- language processing
- open source projects
- information filtering
- relevant documents
- text retrieval
- database
- language modeling
- retrieval model
- retrieval systems
- query expansion
- co occurrence
- information extraction
- multimedia
- social networks