Tag-based object similarity computation using term space dimension reduction.
Yong Ki LeeSung Jun LeeJonghun ParkPublished in: SIGIR (2009)
Keyphrases
- dimension reduction
- similarity computation
- low dimensional
- high dimensional
- principal component analysis
- cosine similarity
- feature extraction
- high dimensional data
- linear discriminant analysis
- cluster analysis
- similarity search
- feature selection
- dimensionality reduction
- singular value decomposition
- unsupervised learning
- vector space
- collaborative filtering
- feature space
- data sets
- data points
- high dimensionality
- similarity metrics
- feature construction
- similarity measure
- distance measure
- semantic similarity