208 search results - page 20 / 42 » Evolving objects in temporal information systems |
DBSEC
2007
13 years 9 months ago
2007
Abstract. Modern information systems require temporal and privilegeconsuming usage of digital objects. To meet these requirements, we present a new access control model–Times-bas...
SAC
2008
ACM
13 years 7 months ago
2008
ACM
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...
OOIS
1994
Springer
13 years 11 months ago
1994
Springer
The business of software development is solving problems. Following Polya, we can increase our ability to solve problems by focusing directly on problems themselves, on their part...
ICMCS
1997
IEEE
13 years 11 months ago
1997
IEEE
– Video is a powerful medium for disseminating news as information. Like any other information, techniques are required to help search and locate interesting video content. In th...
CL
2012
Springer
11 years 10 months ago
2012
Springer
In object-oriented systems, runtime memory is composed of an object graph in which objects refer to other objects. This graph of objects evolves while the system is running. Graph...