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Description de l'Afrique et de l'Espagne offers a partial edition of the Arabic descriptive geography by Abu ʿAbdallāh Muḥammad al-Idrīsī (d. c. 560 AH/1165 CE) entitled Kitāb Nuzhat al-mushtāq fī' khtirāq al-āfāq. The author lived at the court of the Norman King Roger II in Sicily where he composed this work for him. Little is known about al-Idrīsī's life, except that he had travelled extensively and had acquired first-hand information about the areas he described in the Nuzhat, which is also known as...

Nowadays companies have taken the task of develop better management information systems in order to help the decision makers to exploit data and models, with the final objective of discussing and improving decision-making. Decision support systems must be improved in order to deal with the large amount of available data and the heterogeneity of existing modeling approaches along the enterprise structure. This book proposes the application of ontologies as a decision support tool, since they are increasingly seen as a key semantic technology for addressing heterogeneities and for enabling...