text classification methods? SVM and decision tree

Question

i have a training set and i want to use a classification method for classifying other documents according to my training set.my document types are news and categories are sports

Answer 1

If you are familiar with Python, you may consider NLTK and scikit-learn. The former is dedicated to NLP while the latter is a more comprehensive machine learning package (but it has a great inventory of text processing modules). Both are open source and have great community suport on SO.