Literature illustrates the difficulties in obtaining the lowest-cost optimal solution to an ore
blending problem for blast furnaces by using the traditional trial-and-error method in iron …

Next generation information system applications require powerful and intelligent information
management that necessitates an efficient interaction between database and knowledge …

Time is ubiquitous in information systems. Almost every enterprise faces the problem of its
data becoming out of date. However, such data is often valu able, so it should be archived …

After briefly reviewing the basic notions and terminology of active rules and relating them to
production rules and deductive rules, respectively, we survey a number of formal …

This paper reports on the design and implementation of FLORA—a powerful DOOD system
that incorporates the features of F-logic, HiLog, and Transaction Logic. FLORA is …

Projects involving the construction of rock salt underground gas storage have several
disadvantages, for example, effective management is not employed to manage the …

This paper presents an approach to the development of a practical deductive objectoriented
database (DOOD) system baaed upon the integration of a logic query language with an …

A logic-based approach to the specification of active database functionality is presented
which not only endows active databases with a well-defined and well-understood formal …

This paper presents a novel deductive object-oriented database language, called ROL
(Rule-based Object Language), which is being developed at the University of Regina. ROL …

For many knowledge-intensive applications, it is important to develop an environment that
permits flexible modeling and fuzzy querying of complex data and knowledge including …