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XMLSEC
2003
ACM
15 years 12 months ago
First experiences using XACML for access control in distributed systems
Authorization systems today are increasingly complex. They span domains of administration, rely on many different authentication sources, and manage permissions that can be as com...
Markus Lorch, Seth Proctor, Rebekah Lepro, Dennis ...
ERCIMDL
1998
Springer
146views Education» more  ERCIMDL 1998»
15 years 11 months ago
METU-Emar: An Agent-Based Electronic Marketplace on the Web
Abstract. In this paper, we describe a scenario for a distributed marketplace on the Web where resource discovery agents find out about resources that may want to join the marketpl...
Asuman Dogac, Ilker Durusoy, Sena Nural Arpinar, E...
KDD
1998
ACM
84views Data Mining» more  KDD 1998»
15 years 11 months ago
Similarity of Attributes by External Probes
In data mining, similarity or distance between attributes is one of the central notions. Such a notion can be used to build attribute hierarchies etc. Similarity metrics can be us...
Gautam Das, Heikki Mannila, Pirjo Ronkainen
RIDE
1993
IEEE
15 years 10 months ago
Integration of Relational Databases in a Multidatabase System based on Schema Enrichment
In this paper, we describe a framework for an object-oriented modeling of meta information and its use for the integration of heterogeneous databases with the goal of their intero...
Daniel A. Keim, Hans-Peter Kriegel, Andreas Mieths...
DASFAA
2007
IEEE
151views Database» more  DASFAA 2007»
15 years 10 months ago
On Label Stream Partition for Efficient Holistic Twig Join
Label stream partition is a useful technique to reduce the input I/O cost of holistic twig join by pruning useless streams beforehand. The Prefix Path Stream (PPS) partition scheme...
Bo Chen, Tok Wang Ling, M. Tamer Özsu, Zhenzh...