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GIS
2008
ACM
15 years 8 months ago
DRM policies for web map service
Open Digital Rights Language (ODRL) is an extensible language for specifying Rights Policy in the context of Digital Rights Management (DRM) applications. The OpenGIS® Web Map Se...
Alban Gabillon, Patrick Capolsini
SIGMOD
2011
ACM
189views Database» more  SIGMOD 2011»
14 years 9 months ago
We challenge you to certify your updates
Correctness of data residing in a database is vital. While integrity constraint enforcement can often ensure data consistency, it is inadequate to protect against updates that inv...
Su Chen, Xin Luna Dong, Laks V. S. Lakshmanan, Div...
ICDE
1991
IEEE
145views Database» more  ICDE 1991»
15 years 10 months ago
DOT: A Spatial Access Method Using Fractals
Existing Database Management Systems (DBMSs) do not handle efficiently multi-dimensional data such as boxes, polygons, or even points in a multi-dimensional space. We examine acc...
Christos Faloutsos, Yi Rong
VLDB
2001
ACM
168views Database» more  VLDB 2001»
16 years 7 months ago
Answering queries using views: A survey
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessin...
Alon Y. Halevy
PERCOM
2006
ACM
16 years 6 months ago
Seamless Browsing of Visual Contents in Shared Learning Environments
This paper presents a new interaction technique for browsing large visual information bases in a collaborative environment. The ATELIER project deals with learning environments fo...
Marco Loregian, Kresimir Matkovic, Thomas Psik