We present a new role system in which the type (or role) of each object depends on its referencing relationships with other objects, with the role changing as these relationships ...
Pure Pattern Type Systems (P2 TS) combine in a unified setting the capabilities of rewriting and λ-calculus. Their type systems, adapted from Barendregt’s λ-cube, are especial...
A tuple t1 of relation R subsumes tuple t2 of R, with respect to a query Q if for every database, tuple t1 derives all, and possibly more, answers to query Q than derived by tuple ...
As multimedia applications spread widely, it is crucial for programming and design support systems to handle "time" in multimedia documents effectively and flexibly. This...
Junehwa Song, Michelle Y. Kim, G. Ramalingam, Raym...
Keeping students alert and responsive during lectures is a challenge even for experienced teachers in small group settings. Research has shown the importance of student participat...