SQL+D: Extended Display Capabilities for Multimedia Database Queries. - Chitta Baral; Graciela Gonzalez 001; Amarendra Nandigam (ACM Multimedia, 1998)

Why Intervals? Because If We Allow Other Sets, Tractable Problems Become Intractable. - Monica L. Nogueira; Amarendra Nandigam (Reliab. Comput., 1998)