This paper proposes X-KIF – a new modeling language intended for implementing large, formal knowledge bases. The language originated from the SUO-KIF language, which has been used for implementing a large family of ontologies based on the Suggested Upper Merged Ontology (SUMO).We address some...

Ontology evaluation is an integral part of the ontology development process. Errors in ontology create serious problems for the information system based on it. To our surprise, the existing systems are unable to identify most of the errors. We evaluate some well known ontologies against the...

The desideratum of semantic interoperability has been intensively discussed in medical informatics circles in recent years. Originally it was assumed by many that this issue could be addressed simply by insisting on the application of shared clinical terminologies. More recently however the use...

This paper introduces an approach for integrating business models and ontologies supported by the PROMOTE® knowledge management system, applied in the LD-CAST project in order to involve domain experts from the business layer into the aspects of the actual service delivery situated in the IT...

The user experience of any software or website consists of elements from the conceptual to the concrete level. These elements of user experience assist in the design and development of user interfaces. On the other hand, Ontologies provide a framework for computable representation of user...

This article aims at providing better understanding of the applicability of Semantic Web tools and technologies in practice. It introduces a case study of the use of semantic technologies for extraction, integration and meaningful search and retrieval of expertise data, as an example of the new...

With the emerging trend ofWeb 3.0 and the resulting huge amount of usergenerated semantically-enriched data, improved ways of knowledge visualization and human computer interaction are needed. We present several techniques of visualizing particularly spatial knowledge in largely scalable, clear...

There are plenty of projects aimed at incorporating semantic information into present day document processing. The main problem is their real-world usability. E-learning is one of the areas which can take advantage of the semantically described documents. In this paper we would like to introduce...

The tremendous growth in the size of Web has created a challenge to find contextspecific information. After finding a specific content on the Web, users need to explicitly query search engines for the related information. In many cases, millions of generic hits are returned by general search...