This is a preview of subscription content, log in via an institution to check access.
Access this chapter
We’re sorry, something doesn't seem to be working properly.
Please try refreshing the page. If that doesn't work, please contact support so we can address the problem.
Preview
Unable to display preview. Download preview PDF.
References
Chen, G. Q. and Kerre, E. E., 1998, Extending ER/EER concepts towards fuzzy conceptual data modeling, Proceedings of the 1998 IEEE International Conference on Fuzzy Systems, 2: 1320–1325.
Chen, G. Q., 1999, Fuzzy Logic in Data Modeling; Semantics, Constraints, and Database Design, Kluwer Academic Publisher.
Chen, P. P., 1976, The entity-relationship model: toward a unified view of data, ACM Transactions on Database Systems, 1(1): 9–36.
Codd, E. F., 1986, Missing information (applicable and inapplicable) in relational databases, SIGMOD Record, 15(4): 53–78.
Codd, E. F., 1987, More commentary on missing information in relational databases (applicable and inapplicable information), SIGMOD Record, 16(1): 42–50.
DeMichiel, L. G., 1989, Resolving database incompatibility: an approach to performing relational operations over mismatched domains, IEEE Transactions on Knowledge and Data Engineering, 1(4): 485–493.
Gottlob, G. and Zicari, R., 1988, Closed world databases opened through null values, Proceedings of the 1988 International Conference on Very Large Data Bases, 50–61.
Grant, J., 1979, Partial values in a tabular database model, Information Processing Letters, 9 (2): 97–99.
Lipski, W., 1979, On semantic issues connected with incomplete information databases, ACM Transactions on Database Systems, 4(3): 262–296.
Ruspini, E. 1986, Imprecision and uncertainty in the entity-relationship model, Fuzzy Logic in Knowledge Engineering, Verlag TUV Rheinland.
Vandenberghe, R. M., 1991, An extended entity-relationship model for fuzzy databases based on fuzzy truth values, Proceedings of the 1991 International Fuzzy Systems Association World Congress, 280–283.
Zvieli, A. and Chen, P. P., 1986, Entity-relationship modeling and fuzzy databases, Proceedings of the 1986 IEEE International Conference on Data Engineering, 320–327
Rights and permissions
Copyright information
© 2005 Springer Science+Business Media, Inc.
About this chapter
Cite this chapter
(2005). The Fuzzy Er and Fuzzy Eer Models. In: Fuzzy Database Modeling with XML. Advances in Database Systems, vol 29. Springer, Boston, MA. https://doi.org/10.1007/0-387-24249-X_4
Download citation
DOI: https://doi.org/10.1007/0-387-24249-X_4
Publisher Name: Springer, Boston, MA
Print ISBN: 978-0-387-24248-4
Online ISBN: 978-0-387-24249-1
eBook Packages: Computer ScienceComputer Science (R0)