102291 search results - page 20248 / 20459 » Computing |
CORR
2002
Springer
13 years 10 months ago
2002
Springer
for data abstraction and justifies reasoning by simulation. Representation independence has been shown for a variety of languages and constructs but not for shared references to mu...
CSCW
2002
ACM
13 years 10 months ago
2002
ACM
Supporting awareness of others is an idea that holds promise for improving the usability of real-time distributed groupware. However, there is little principled information availa...
CSCW
2002
ACM
13 years 10 months ago
2002
ACM
Activity theory is based on the concept of tools mediating between subjects and objects. In this theory, an individual's creative interaction with his or her surroundings can ...
ETS
2000
IEEE
13 years 10 months ago
2000
IEEE
During Spring 1998, we embarked on pedagogical journey into unknown terrains -- the terrains of collaborative teaching and World Wide Web instruction. In this paper we present a j...
DKE
2002
13 years 10 months ago
2002
Topological invariants of spatial databases (i.e., finite structures that capture the topological properties of the database) are receiving increasing attention since they can act...