gnizr™ (gə-nīzər) is an open source application for social bookmarking and web mashup. It is easy to use gnizr to create a personalized del.icio.us-like portal for a group of friends and colleagues to store, classify and share information, and to mash-it-up with information about location.
"This is one of the most intellectually challenging programming books that I have ever read...I strongly recommend that all Java programmers read this book."
D. Hou, и D. Pletcher. Proceedings of the 2nd International Workshop on Recommendation Systems for Software Engineering, стр. 26--30. New York, NY, USA, ACM, (2010)