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VLDB
2007
ACM
229views Database» more  VLDB 2007»
15 years 5 months ago
Sum-Max Monotonic Ranked Joins for Evaluating Top-K Twig Queries on Weighted Data Graphs
In many applications, the underlying data (the web, an XML document, or a relational database) can be seen as a graph. These graphs may be enriched with weights, associated with t...
Yan Qi 0002, K. Selçuk Candan, Maria Luisa ...
ECBS
2006
IEEE
119views Hardware» more  ECBS 2006»
15 years 5 months ago
A Model Transformation Approach for Design Pattern Evolutions
The evolution of a design pattern typically involves the addition or removal of a group of modeling elements, such as classes, attributes, operations, and relationships. However, ...
Jing Dong, Sheng Yang, Kang Zhang
SACMAT
2006
ACM
15 years 5 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
ICDE
2005
IEEE
114views Database» more  ICDE 2005»
15 years 4 months ago
VAMANA - A Scalable Cost-Driven XPath Engine
¡ Several systems have recently been proposed for the evaluation of XPath expressions. However, none of these systems have demonstrated both scalability with large document sizes ...
Venkatesh Raghavan, Kurt W. Deschler, Elke A. Rund...
COMPSAC
2003
IEEE
15 years 4 months ago
Incremental Transformation of Procedural Systems to Object Oriented Platforms
Over the past years, the reengineering of legacy software systems to object oriented platforms has received significant attention. In this paper, we present a generic re-engineeri...
Ying Zou, Kostas Kontogiannis