In discrete event systems, a given task can start executing when all the required input data are available. The required input data for a given task may change along the evolution...
Invenio is the web-based integrated digital library system developed at CERN. Within this framework, we present four types of ranking models based on the citation graph that comple...
Ludmila Marian, Jean-Yves LeMeur, Martin Rajman, M...
This paper studies the system parameters that affect the total cost of managing the multicast group on a router. A Petri net model is first proposed to describe the states and tra...
Yongjun Li, Wenhui Zhou, James Zijun Wang, Deyu Qi
In this article, we experiment a way to extend an Ada library called Cheddar. Cheddar provides a domain specific language. Programs written with this domain specific language can...
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...