Alchemy is a software package providing a series of algorithms for statistical relational learning and probabilistic logic inference, based on the Markov logic representation.
N. Stash, A. Cristea, and P. Bra. WWW Alt. '04: Proceedings of the 13th international World Wide Web conference on Alternate track papers & posters, page 114--123. New York, NY, USA, ACM, (2004)