Improving unsupervised vector-space thematic fit evaluation via role-filler prototype clustering.
Clayton GreenbergAsad B. SayeedVera DembergPublished in: HLT-NAACL (2015)
Keyphrases
- vector space
- unsupervised learning
- cosine similarity
- similarity search
- clustering algorithm
- latent semantic indexing
- vector space model
- clustering method
- retrieval model
- euclidean space
- multidimensional scaling
- k means
- distance measure
- low dimensional
- feature vectors
- document representation
- semi supervised
- database
- document clustering
- data points
- machine learning
- mean shift
- spectral clustering
- high dimensional
- pattern recognition