We present a tool, called DB2OWL, to automatically generate ontologies from database schemas. The mapping process starts by detecting particular cases for conceptual elements in the database and accordingly converts database components to the corresponding ontology components. We have implemented a prototype of DB2OWL tool to create OWL ontology from relational database.

We have developed a number of systems to aid analysts in tracking the activities and associations of various criminal elements. These systems each consist of a relational data base containing the details on the relevant entities, activities, and associations, assorted tools for retrieving and analyzing those details, including link analysis, and a tool for automatically extracting those details...

Reasoning and problem solving depend on the ability to represent and integrate complex relationships among stimuli. For example, deciding whether an animal is dangerous requires integrating information about the type of animal, its size, its distance from oneself, and one's proximity to shelter. Relational complexity increases with the number of such interdependent elements that must be simulta...

Partitions are a very common and useful way of organizing data, in data engineering and data mining. However, partitions currently lack efficient and generic data management functionalities. This paper proposes advances in the understanding of this problem, as well as elements for solving it. We formulate the task as efficient processing, evaluating and optimizing queries over set partitions, i...

When describing bidirectional model transformations in a declarative (relational) way, the relation between structures in source and target models is specified. But not only structural correspondences between source and target models need to be described. Another important aspect is the specification of the relation between attribute values of elements in source and target models. However, most...

Experience design, an approach to create emotional connection with guests or customers through careful planning of tangible and intangible service elements, has gained popularity in many hospitality and retail businesses. With ever-increasing competition, service providers seek to develop loyalty by aggressively designing, continuously innovating, and managing their customer experiences. This a...

Nowadays, in order to reach minimum production cost in machining operations, various optimization methods have been proposed. Since turning operation has different parameters affecting the workpiece quality, it was selected as a complicated manufacturing method in this paper. To reach sufficient quality, all influencing parameters such as cutting speed, federate, depth of cut and tool rake angl...

Relational graphs are a fundamental type of scene representation for medium and high level computer vision tasks. They provide a generic way of encoding entities and relationships. The comparison and matching of such graphs is an important and challenging problem under the conditions of uncertainty and corruption which exist in most vision problems. In this thesis a method for matching relation...