666 search results - page 18 / 134 » A Practical Approach to Access Heterogeneous and Distributed... |
SCANGIS
2003
13 years 9 months ago
2003
Abstract. This paper discusses concurrency control in distributed geographical database systems. A geographic data server providing transactional services must be designed to handl...
CIDR
2003
13 years 9 months ago
2003
Traditional science searched for new objects and phenomena that led to discoveries. Tomorrow's science will combine together the large pool of information in scientific archi...
ESORICS
2007
Springer
13 years 11 months ago
2007
Springer
As the XML model gets more popular, new needs arise to specify access control within XML model. Various XML access control models and enforcement methods have been proposed recentl...
SOSP
2003
ACM
14 years 4 months ago
2003
ACM
This paper presents a new approach called model-carrying code (MCC) for safe execution of untrusted code. At the heart of MCC is the idea that untrusted code comes equipped with a...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
Materialized views (MV) can significantly improve the query performance of relational databases. In this paper, we consider MVs to optimize complex scenarios where many heterogen...