Links to Data Mining Websites and Open Source educational data sets for mining purpose

I found these interesting links on a page while browsing through the University of Wisconsin-Madison website. Since i have a lot of bookmarks cluttered in my browser, I am simply posting these links here as a page for my and perhaps your convenience.
0. Knowledge Discovery in Database
1. KDNuggets– A comprehensive data mining site offering news, software, solutions, companies, jobs, courses, meetings, websites, references and datasets.
2. Support Vector Machines– Powerful tool for machine learning and data mining
3. SIGKDD of the ACM
4.– Data mining group
5. Data Mining and Knowledge Discovery  Journal
6. UCI KDD Archive
7. UCI Machine Learning Repository

9. SIGMOD (Special Interest Group on Management of Data)- another delightful website
10. MALLET– is a Java-based package for statistical natural language processing, document classification, clustering, topic modeling, information extraction, and other machine learning applications to text.
11. Stanford NLP Group– Their work ranges from basic research in computational linguistics to key applications in human language technology, and covers areas such as sentence understanding,machine translationprobabilistic parsing and taggingbiomedical information extractiongrammar inductionword sense disambiguation, and automatic question answering.
12. Statistical Data Mining Tutorials– An exhaustive list of excellent tutorials on DM algorithms
These links i found while searching through the clutter of world wide web
1. Publicly Available Database Software from Nonprofit Organizations– The packages listed on this link were announced to be free of charge at least for academic or personal use. In short a one stop solution for students and academicians alike working in the field of databases
2. Open Discovery Space and LinkedUP – will help in collecting, sharing and have an open access to educational data sets also Datasets from DataHub
3. An interesting blog, can serve as tea time reading :-). Another blog