1. Bollen, J., Mao, H., Zeng, X.: Twitter mood predicts the stock market. Journal of Computational Science 2(1), 1–8 (2011),
http://www.sciencedirect.com/science/article/pii/S187775031100007X
2. Cao, T.H.: Fuzzy conceptual graphs for the semantic web. In: Proceedings of 2001 BISC International Workshop on Fuzzy Logic and the Internet, FLINT 2001, Berkeley, CA, USA (August 2001)
3. Carmody, T.: A Tangled Web of Shortened Links. A study of link shortening reveals hidden strands of the Web (2011),
http://www.technologyreview.com/news/423170/a-tangled-web-of-shortened-links/
(retrieved May 16, 2011)
4. Carpenter, S.: Developing a measure to elicit and compare mental models of processes. Tech. rep., The University of Alabama in Huntsville (2007)
5. Daraselia, N., Yuryev, A., Egorov, S., Novichkova, S., Nikitin, A., Mazo, I.: Extracting human protein interactions from medline using a full-sentence parser. Bioinformatics 20(5), 604–611 (2004),
http://bioinformatics.oxfordjournals.org/content/20/5/604.abstract