1. Abecker, A., Bernardi, A., Hinkelmann, K., Kühn, O., Sintek, M.: Toward a Well-Founded Technology for Organizational Memories. IEEE Intelligent Systems and their Applications 13(3), 40–48 (1998)
2. Albassuny, B.M.: Automatic metadata generation applications: a survey study. International Journal of Metadata, Semantics and Ontologies 3(4), 260–282 (2008)
3. Anderson, J.D., Pérez-Carballo, J.: The nature of indexing: how humans and machines analyze messages and texts for retrieval. Part I: Research, and the nature of human indexing. Information Processing and Management 37, 231–254 (2001)
4. Bock, G.E.: The Case for Semantic Storage. Adding Insight and Expertise to Information Lifecycle Management (2004), Retrieved from http://www.documentum.ru/pdf/Reviews/case_semantic_storage_GBock.pdf
5. Cardinaels, K., Meire, M., Duval, E.: Automating metadata generation: the simple indexing interface. ACM, New York (2005), Retrieved from http://portal.acm.org/citation.cfm?id=1060825