Unsupervised Learning in Information Retrieval Using NOW Architectures.
Elías F. CombarroJosé RanillaRicardo MonesN. VázquezIrene DíazElena MontañésPublished in: EUROCAST (2005)
Keyphrases
- unsupervised learning
- information retrieval
- supervised learning
- search engine
- text mining
- information retrieval systems
- question answering
- evaluation methodologies
- information access
- semi supervised
- dimensionality reduction
- neural network
- query expansion
- information extraction
- deep learning
- database
- model selection
- test collection
- retrieval model
- retrieval effectiveness
- language processing
- computational linguistics
- language modeling
- expectation maximization
- document collections
- relevance feedback
- active learning
- case study
- data mining
- real time