1. Tic-Tac-Toe Endgame: Binary classification task on possible configurations of tic-tac-toe game 2. Syskill and Webert Web Page Ratings: This database contains HTML source of web pages plus the ratings of a single user on these web pages. Web pages are on four seperate subjects (Bands- recording artists; Goats; Sheep; and BioMedical) 3. Shuttle Landing Control: Tiny database; all nominal values 4. Nursery: Nursery Database was derived from a hierarchical decision model originally developed to rank applications for nursery schools. 5. MONK's Problems: A set of three artificial domains over the same attribute space; Used to test a wide range of induction algorithms 6. Lenses: Database for fitting contact lenses 7. LED Display Domain: From Classification and Regression Trees book; We provide here 2 C programs for generating sample databases 8. HIV-1 protease cleavage: The data contains lists of octamers (8 amino acids) and a flag (-1 or 1) depending on whether HIV-1 protease will cleave in the central position (between amino acids 4 and 5). 9. Hayes-Roth: Topic: human subjects study 10. Connectionist Bench (Nettalk Corpus): The file "nettalk.data" contains a list of 20,008 English words, along with a phonetic transcription for each word. The task is to train a network to produce the proper phonemes 11. Car Evaluation: Derived from simple hierarchical decision model, this database may be useful for testing constructive induction and structure discovery methods. 12. Breast Cancer: Breast Cancer Data (Restricted Access) 13. Balloons: Data previously used in cognitive psychology experiment; 4 data sets represent different conditions of an experiment 14. Balance Scale: Balance scale weight & distance database | 
