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SACMAT
2006
ACM
16 years 18 days ago
Fine-grained role-based delegation in presence of the hybrid role hierarchy
Delegation of authority is an important process that needs to be captured by any access control model. In role-based access control models, delegation of authority involves delega...
James B. D. Joshi, Elisa Bertino
MM
2005
ACM
172views Multimedia» more  MM 2005»
16 years 6 days ago
Learning the semantics of multimedia queries and concepts from a small number of examples
In this paper we unify two supposedly distinct tasks in multimedia retrieval. One task involves answering queries with a few examples. The other involves learning models for seman...
Apostol Natsev, Milind R. Naphade, Jelena Tesic
190
Voted
KDD
2005
ACM
139views Data Mining» more  KDD 2005»
16 years 4 days ago
Learning to predict train wheel failures
This paper describes a successful but challenging application of data mining in the railway industry. The objective is to optimize maintenance and operation of trains through prog...
Chunsheng Yang, Sylvain Létourneau
XMLSEC
2003
ACM
15 years 12 months ago
Access control of XML documents considering update operations
As a large quantity of information is presented in XML format on the Web, there are increasing demands for XML security. Until now, research on XML security has been focused on th...
Chung-Hwan Lim, Seog Park, Sang Hyuk Son
EDBT
2010
ACM
189views Database» more  EDBT 2010»
15 years 11 months ago
Efficient physical operators for cost-based XPath execution
The creation of a generic and modular query optimization and processing infrastructure can provide significant benefits to XML data management. Key pieces of such an infrastructur...
Haris Georgiadis, Minas Charalambides, Vasilis Vas...
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