I love Phusion Passenger. It takes away most of the pain from deploying. Instead of having to mess around with lengthy apache config files, you can just upload.
Signo is a website devoted to Applied Semiotic Theories. The study of Signs, Semiotics is the primary purpose of this site and explains various semiotic theories.
V. Mascardi, V. Cord`i, and P. Rosso. DISI-TR-06-21. Dipartimento di Informatica e Scienze dell'Informazione (DISI), Universit'a degli Studi di Genova, Via Dodecaneso 35, 16146, Genova, Italy, (2006)
C. Lagoze, and J. Hunter. Proc. of the Int. Conf. on Dublin Coreand Metadata Applications, page 160--176. National Institute of Informatics, Tokyo, Japan, (2001)
C. Matuszek, J. Cabral, M. Witbrock, and J. Deoliveira. Proceedings of the 2006 AAAI Spring Symposium on Formalizing and Compiling Background Knowledge and Its Applications to Knowledge Representation and Question Answering, page 44--49. (2006)
T. Sang, P. Beame, and H. Kautz. IJCAI'07: Proceedings of the 20th international joint conference on Artifical intelligence, page 173--179. San Francisco, CA, USA, Morgan Kaufmann Publishers Inc., (2007)
S. Konieczny, J. Lang, and P. Marquis. In Proceedings of the Nineteenth International Joint Conference on Artificial Intelligence (IJCAI’05, page 484--489. (2005)
T. Meyer, K. Lee, R. Booth, and J. Pan. AAAI'06: Proceedings of the 21st national conference on Artificial intelligence, page 269--274. AAAI Press, (2006)
Z. Huang, F. van Harmelen, and A. ten Teije. Proceedings of the Nineteenth International Joint Conference on Artificial Intelligence (IJCAI'05), page xxx. Edinburgh, Scotland, (August 2005)