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  1. Willitts, J.: Database design and construction : an open learning course for students and information managers (1992) 0.03
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    Abstract
    An informal introduction to the design and construction of databases, using an open learning approach, this textbook offers a complete course both in programmable database systems and in information retrieval systems
  2. Fensel, D.: Ontologies : a silver bullet for knowledge management and electronic commerce (2004) 0.01
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