Contents // Preface XI // Chapter 1 1 // Common Gnoseological Meaning of Godel and Caratheodory Theorems // by Bohdan Hejna // Chapter 2 23 // Knowledge Patterns within the Conception of Semantic Web // by Martin Žáček, Alena Lukášová, Marek Vajgl and Petr Raunigr // Chapter 3 35 // Ontology Language XOL Used for Cross-Application Communication // by Jinta Weng, Jing Qiu and Ying Gao // Chapter 4 47 // An Ontology-Based Approach to Diagnosis and Classification for an // Expert System in Health and Food // by Friska Natalia, Dea Cheria and Santi Surya // Chapter 5 67 // Taxonomy and Ontology Management Tools: A General Explanation // by Sukumar Mandal