Improvement of vector space information retrieval model based on supervised learning.
Xiaoying TaiMinoru SasakiYasuhito TanakaKenji KitaPublished in: IRAL (2000)
Keyphrases
- vector space
- supervised learning
- vector space model
- information retrieval
- retrieval model
- latent semantic indexing
- distance measure
- covariance matrices
- euclidean space
- similarity search
- unsupervised learning
- feature vectors
- machine learning
- active learning
- information retrieval systems
- reinforcement learning
- training data
- document representation
- ir models
- learning to rank
- retrieval effectiveness
- text retrieval
- low dimensional
- tf idf
- riemannian manifolds
- finite dimensional
- term weights
- document collections
- document retrieval
- class labels
- data sets
- query expansion
- relevance feedback
- information extraction
- search engine
- learning algorithm
- relevant documents
- nearest neighbor
- term frequency
- semi supervised
- training set
- face recognition
- riemannian metric