IR-based k-Nearest Neighbor Approach for Identifying Abnormal Chat Users.
In-Su KangChul-Kyu KimShin Jae KangSeung-Hoon NaPublished in: CLEF (Online Working Notes/Labs/Workshop) (2012)
Keyphrases
- k nearest neighbor
- knn
- nearest neighbor
- text categorization
- support vector machine svm
- knn algorithm
- data sets
- information retrieval
- knn classifier
- text classification
- vowel recognition
- support vector machine
- neural network
- bootstrap sampling
- graph construction
- input space
- classification algorithm
- feature selection
- machine learning
- information gain
- nearest neighbour
- classification method
- k nearest
- data mining
- hierarchical document clustering