262 search results - page 32 / 53 » GUC-Secure Join Operator in Distributed Relational Database |
WWW
2003
ACM
14 years 9 months ago
2003
ACM
We propose a new approach to accessing databases through the Web that is based on the WebDAV protocol (Web-based Distributed Authoring and Versioning). This paper introduces an ex...
SEMCO
2009
IEEE
14 years 3 months ago
2009
IEEE
Semantic integration in the hidden Web is an emerging area of research where traditional assumptions do not always hold. Frequent changes, conflicts and the sheer size of the hid...
CCS
2007
ACM
14 years 2 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
KDD
1998
ACM
14 years 26 days ago
1998
ACM
We consider the problem of aggregation for uncertain and imprecise data. For such data, we define aggregation operators and use them to provide information on properties and patte...
SIGMOD
1996
ACM
14 years 24 days ago
1996
ACM
METU INteroperable Database System (MIND) is a multidatabase system that aims at achieving interoperability among heterogeneous, federated DBMSs. MIND architecture is based on OMG...