Vagueness is a common human knowledge and language phenomenon, typically manifested by terms and concepts like High, Expert, Bad, Near, etc. It is a phenomenon related to our inability to precisely determine the extensions of such concepts in certain domains and contexts. That is because vague concepts have typically blurred boundaries which do not allow for a sharp distinction between [...]

Categories: Research

Knowledge Tagger enables its users to perform Named Entity Resolution in texts using relevant domain ontologies and semantic data.  Its distinguishing characteristic is its customization capabilities as it allows users to define and apply Ontology-Based Disambiguation Evidence Models, based on their knowledge about the domain(s) and expected content of the texts to be analyzed. To construct an evidence model the [...]

Categories: Research

Imprecision and vagueness are inherent characteristics of human knowledge and their role in knowledge engineering and knowledge-based systems development has been extensively examined in the literature. IKARUS (Imprecise Knowledge Acquisition Representation and Use) is a knowledge management framework that provides a comprehensive set of methods and tools for capturing, modeling, retrieving and managing vague knowledge in enterprise and organizational settings. [...]

Categories: Research