János Demetrovics
János Demetrovics
MTA SZTAKI
Verified email at sztaki.hu
TitleCited byYear
Functional dependencies in relational databases: a lattice point of view
J Demetrovics, L Libkin, IB Muchnik
Discrete Applied Mathematics 40 (2), 155-185, 1992
1001992
On the equivalence of candidate keys with Sperner systems
J Demetrovics
Acta Cybernetica 4 (3), 247-252, 1979
971979
Minimum matrix representation of closure operations
J Demetrovics, Z Füredi, GOH Katona
Discrete Applied Mathematics 11 (2), 115-128, 1985
861985
The poset of closures as a model of changing databases
G Burosch, J Demetrovics, GOH Katona
Order 4 (2), 127-142, 1987
621987
Relations and minimal keys
J Demetrovics, VD Thi
Acta Cybernetica 8 (3), 279-285, 1988
531988
Some remarks on generating Armstron and inferring functional dependencies relation
J Demetrovics, VD Thi
Acta Cybernetica 12 (2), 167-180, 1995
511995
Some results about functional dependencies
J Demetrovics, VD Thi
Acta Cybernetica 8 (3), 273-278, 1988
461988
Functional dependencies and the semilattice of closed classes
J Demetrovics, LO Libkin, IB Muchnik
Symposium on Mathematical Fundamentals of Database Systems, 136-147, 1989
441989
On the number of databases and closure operations
G Burosch, J Demetrovics, GOH Katona, DJ Kleitman, AA Sapozhenko
Theoretical computer science 78 (2), 377-381, 1991
381991
Extremal combinatorial problems in relational data base
J Demetrovics, GOH Katona
International Conference on Fundamentals of Computation Theory, 110-119, 1981
381981
On the functional dependency and some generalizations of it
J Demetrovics, G Gyepesi
Acta Cybernetica 5 (3), 295-305, 1981
381981
Design type problems motivated by database theory
J Demetrovics, GOH Katona, A Sali
Journal of Statistical Planning and Inference 72 (1-2), 149-164, 1998
371998
Keys, antikeys and prime attributes
J Demetrovics, VD Thi
Annales Univ. Sci. Budapest, Sect. Comp 8, 35-52, 1987
351987
Contribution to the theory of data base relations
A Békéssy, J Demetrovics
Discrete Mathematics 27 (1), 1-10, 1979
351979
Asymptotic properties of keys and functional dependencies in random databases
J Demetrovics, GOH Katona, D Miklós, O Seleznjev, B Thalheim
Theoretical Computer Science 190 (2), 151-166, 1998
321998
Algebraic properties of crowns and fences
J Demetrovics, L Rónyai
Order 6 (1), 91-99, 1989
321989
Specification meta systems
J Demetrovics, E Knuth, P Rado
Computer 15 (5), 29-35, 1982
311982
Algorithms for generating an armstrong relation and inferring functional dependencies in the relational datamodel
J Demetrovics, VD Thi
Computers & Mathematics with Applications 26 (4), 43-55, 1993
301993
On the number of candidate keys
J Demetrovics
Information processing letters 7 (6), 266-269, 1978
291978
The characterization of branching dependencies
J Demetrovics, GOH Katona, A Sali
Discrete Applied Mathematics 40 (2), 139-153, 1992
281992
The system can't perform the operation now. Try again later.
Articles 1–20