Electronic marketplaces, or e-commerce portals, bring together many online suppliers and buyers. Each individual participant can potentially use his own format to represent the pr...
Most of existing ontologies construction tools support construction of ontological relations (e.g. taxonomy, equivalence, etc.) but they do not support construction of domain rela...
Mohamed Yehia Dahab, Hesham A. Hassan, Ahmed A. Ra...
Relation extraction, the process of converting natural language text into structured knowledge, is increasingly important. Most successful techniques use supervised machine learni...
In this paper we address the problem of migrating instances between heterogeneous overlapping ontologies. The instance migration problem arises when one wants to reclassify a set o...
While providing a uniform syntax and a semistructured data model, XML does not express semantics but only structure such as nesting information. In this paper, we consider the prob...