Sciweavers

2733 search results - page 500 / 547
» The Constellation Query Language
Sort
View
ER
1999
Springer
160views Database» more  ER 1999»
14 years 29 days ago
Developing an Object-Oriented Video Database System with Spatio-Temporal Reasoning Capabilities
Video data management (VDM) is fast becoming one of seminar topics in multimedia information systems. In VDM systems, there exists an important need for novel techniques and mechan...
Shermann S.-M. Chan, Qing Li
ER
1999
Springer
108views Database» more  ER 1999»
14 years 29 days ago
Modeling Cyclic Change
Database support of time-varying phenomena typically assumes that entities change in a linear fashion. Many phenomena, however, change cyclically over time. Examples include monsoo...
Kathleen Hornsby, Max J. Egenhofer, Patrick J. Hay...
SP
1999
IEEE
145views Security Privacy» more  SP 1999»
14 years 29 days ago
A User-Centered, Modular Authorization Service Built on an RBAC Foundation
Psychological acceptability has been mentioned as a requirement for secure systems for as long as least privilege and fail safe defaults, but until now has been all but ignored in...
Mary Ellen Zurko, Richard Simon, Tom Sanfilippo
ISD
1999
Springer
262views Database» more  ISD 1999»
14 years 29 days ago
Spatial Pictogram Enhanced Conceptual Data Models and Their Translation to Logical Data Models
The successful development of any geographic information system project needs the careful design and implementation of spatial databases via conceptual and logical data-modeling. T...
Shashi Shekhar, Ranga Raju Vatsavai, Sanjay Chawla...
HPDC
1998
IEEE
14 years 29 days ago
Matchmaking: Distributed Resource Management for High Throughput Computing
Conventional resource management systems use a system model to describe resources and a centralized scheduler to control their allocation. We argue that this paradigm does not ada...
Rajesh Raman, Miron Livny, Marvin H. Solomon