Email marketing & newsletter analytics. Track more than just opening & click rates. Beautiful statistics & reports. Easy to setup. Works with all email service providers.
B. Ganter, P. Grigoriev, S. Kuznetsov, and M. Samokhin. Proceedings of the 12th International Conference on Conceptual Structures (ICCS 2004), volume 3127 of Lecture Notes in Computer Science, page 94-108. Springer, (2004)
M. Hearst. Proceedings of the 37th annual meeting of the Association for Computational
Linguistics on Computational Linguistics, page 3--10. Morristown, NJ, USA, Association for Computational Linguistics, (1999)