A Cost-Sensitive Cosine Similarity K-Nearest Neighbor for Credit Card Fraud Detection.
Sara MakkiRafiqul HaqueYehia TaherZainab AssaghirMohand-Said HacidHassan ZeineddinePublished in: BDCSIntell (2018)
Keyphrases
- cost sensitive
- k nearest neighbor
- credit card fraud detection
- cosine similarity
- fraud detection
- knn
- support vector machine
- similarity function
- multi class
- similarity measure
- nearest neighbor
- tf idf
- misclassification costs
- vector space
- text categorization
- distance measure
- distance function
- k means
- naive bayes
- binary classification
- vector space model
- euclidean distance
- active learning
- document clustering
- class distribution
- neural network
- pairwise
- feature selection
- machine learning
- support vector
- kernel methods
- similarity search
- text classification
- data analysis
- retrieval systems
- decision trees
- image processing