Topic Detection and Tracking Based on Windowed DBSCAN and Parallel KNN.
Chuanzhen LiMinqiao LiuJuanJuan CaiYang YuHui WangPublished in: IEEE Access (2021)
Keyphrases
- knn
- topic detection and tracking
- k nearest neighbor
- nearest neighbor
- story link detection
- topic detection
- text categorization
- k nearest neighbour
- text classification
- news stories
- distance function
- knn algorithm
- similarity search
- nearest neighbour
- support vector machine
- vector space model
- relevance model
- dependency structure
- multiscale
- clustering algorithm
- neural network
- cluster analysis
- document representation
- k means
- information retrieval