a demo by Microsoft, aiming to detect to types of intention: informational and transactional. Based on:
Detecting Online Commercial Intention (OCI)
Dai, H. (.,Zhao, L.,Nie, Z., Wen, J., Wang, L., and Li, Y. 2006. Detecting online commercial intention (OCI). In Proceedings of the 15th international Conference on World Wide Web (Edinburgh, Scotland, May 23 - 26, 2006). WWW'06. ACM Press, New York, NY, 829-837.