The DART server was a service related to the paper:
"The DART classification of unannotated transcription within the ENCODE regions: associating transcription with known and novel loci."
JS Rozowsky, D Newburger, F Sayward, J Wu, G Jordan, JO Korbel, U Nagalakshmi, J Yang, D Zheng, R Guigo, TR Gingeras, S Weissman, P Miller, M Snyder, MB Gerstein (2007). Genome Res 17: 732-45.