Dot-Product Similarity based Centroid Clustering for Popular Topic Detection.
Jenq-Haur WangTzong-Ting HsiehPublished in: Big Data (2022)
Keyphrases
- topic detection
- dot product
- document clustering
- k means
- text classification
- document collections
- text data
- feature space
- similarity function
- document level
- clustering algorithm
- kernel function
- text mining
- unsupervised learning
- query expansion
- information retrieval
- clustering method
- language model
- pairwise
- latent variables
- face recognition
- gaussian kernels