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ICCSA
2007
Springer
15 years 10 months ago
An Automatic Correction Tool for Relational Algebra Queries
Abstract. Relational algebra is one of the main topics covered in undergraduate computer science database courses. In this paper, we present a web-based tool designed to automatica...
Josep Soler, Imma Boada, Ferran Prados, Jordi Poch...
SACMAT
2006
ACM
15 years 10 months ago
Secure resource description framework: an access control model
In this paper we propose an access control model for the Resource Description Framework (RDF). We argue that existing access control models, like the ones developed for securing e...
Amit Jain, Csilla Farkas
WMASH
2003
ACM
15 years 9 months ago
Challenge: ubiquitous location-aware computing and the "place lab" initiative
To be widely adopted, location-aware computing must be as effortless, familiar and rewarding as web search tools like Google. We envisage the global scale Place Lab, consisting of...
Bill N. Schilit, Anthony LaMarca, Gaetano Borriell...
GIS
2009
ACM
15 years 9 months ago
A multidimensional model representing continuous fields in spatial data warehouses
Data warehouses and On-Line Analytical Processing (OLAP) provide an analysis framework supporting the decision making process. In many application domains, complex analysis tasks ...
Alejandro A. Vaisman, Esteban Zimányi
EDBT
2009
ACM
128views Database» more  EDBT 2009»
15 years 8 months ago
HIDE: heterogeneous information DE-identification
While there is an increasing need to share data that may contain personal information, such data sharing must preserve individual privacy without disclosing any identifiable infor...
James J. Gardner, Li Xiong, Kanwei Li, James J. Lu