- Instances - your data
- Filter - for preprocessing the data
- Classifier/Clusterer - built on the processed data
- Evaluating - how good is the classifier/clusterer?
- Attribute selection - removing irrelevant attributes from your data
สามารถเข้าไปดูไ้ด้ที่
http://weka.wikispaces.com/Use+WEKA+in+your+Java+code#Instances-ARFF File
API Weka
http://weka.sourceforge.net/doc/