We show that standard formulations of intersection type systems are unsound in the presence of computational effects, and propose a solution similar to the value restriction for ...
Workflow systems are an emerging technology which have become increasingly important in the drive for business to provide better services and increase productivity. Intuitively, w...
A context-free grammar is a single-tree grammar (STG) if every nonterminal symbol has at most one production rule whose right hand side contains nonterminal symbols. Various prope...
The uncertainty may be divides it into two major groups, "objective uncertainty" and "subjective uncertainty". The objective uncertainty has already been exten...
With the increasing use of ontologies in Semantic Web and enterprise knowledge management, it is critical to develop scalable and efficient ontology management systems. In this pap...
Jian Zhou, Li Ma, Qiaoling Liu, Lei Zhang, Yong Yu...