Gradiance

		“It has been great and it has lightened my and my TA's load quite a bit. I am looking forward to using the system again.” — Prof. Rada Chirkova, North Carolina State University
		“I am extremely happy with OTC [Gradiance] and so are my students (and TA) this quarter. I will definitely use Gradiance for any future database course I teach.” — Prof. Svetlozar Nestorov, University of Chicago
		“I liked it a lot!” — Prof. Avi Silberschatz, Yale University
		“Thanks again for a great, glitch-free service this semester. All my students this year again found the Gradiance service very useful for their learning.” — Prof. Vasilis Vassalos, Athens University of Economics and Business
		“It particularly simplifies the submission/collection and marking, of course. [Students reacted] very positively. They appreciate the flexibility of an on-line assignment.” — Dr. Stephane Bressan, National University of Singapore
		“First thank you for providing the wonderful service to us...The online help was very useful...In particular, they [the students] like the fact that the system can give them immediate feedback.” — Prof. Chen Li, University of California, Irvine