A. Alanne, P. Hellsten, S. Pekkola, and I. Saarenpää. Electronic Government: 14th IFIP WG 8.5 International Conference, EGOV 2015, Thessaloniki, Greece, page 321-333. Springer, (2015)
I. Witten, D. Bainbridge, G. Paynter, and S. Boddie. Research and Advanced Technology for Digital Libraries, volume 2458 of Lecture Notes in Computer Science, Springer Berlin Heidelberg, (2002)
M. Nurminen, and A. Heimbürger. Information Modelling and Knowledge Bases XXIII, volume 237 of Frontiers in Artificial Intelligence and Applications, page 90-109. IOS Press, (2012)
M. Nurminen, and A. Heimbürger. Proceedings of the 21st European - Japanese Conference on Information Modelling and Knowledge Bases (EJC2011), vol. 1, page 97-116. Tallinn University of Technology, (2011)
A. Heimbürger, M. Nurminen, T. Venäläinen, and S. Kinnunen. Information Modelling and Knowledge Bases XXII, volume 225 of Frontiers in Artificial Intelligence and Applications, page 301-311. IOS Press, (2011)
C. Bettini, C. Dyreson, W. Evans, R. Snodgrass, and X. Wang. Temporal Databases: Research and Practice, volume 1399 of Lecture Notes in Computer Science, Springer, Berlin / Heidelberg, (1998)
W. Royce. Proc. IEEE WESTCON, Los Angeles, (August 1970)Reprinted in Proceedings of the Ninth International Conference on Software Engineering, March 1987, pp.~328--338.
J. Allen, and A. Frisch. Proceedings of the 20th annual meeting on Association for Computational Linguistics, page 19--27. Morristown, NJ, USA, Association for Computational Linguistics, (1982)
R. de Almeida Falbo, G. Guizzardi, and K. Duarte. SEKE '02: Proceedings of the 14th international conference on Software engineering and knowledge engineering, page 351--358. New York, NY, USA, ACM Press, (2002)