Multi-resolution Abnormal Trace Detection Using Varied-length N-grams and Automata.
Guofei JiangHaifeng ChenCristian UngureanuKenji YoshihiraPublished in: ICAC (2005)
Keyphrases
- n gram
- multiresolution
- language model
- bag of words
- text classification
- variable length
- anomaly detection
- language independent
- part of speech
- inside outside algorithm
- language modelling
- abnormal behavior
- language modeling
- viterbi algorithm
- wavelet transform
- multiscale
- hierarchical representation
- knn
- probabilistic model
- search engine
- finite automata
- information retrieval
- machine learning
- character n grams
- neural network