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ORCIDJános Demetrovics
Person information
- award (2005): Széchenyi Prize
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2010 – 2019
- 2018
[j42]János Demetrovics, Hoang Minh Quang
, Vu Duc Thi, Viet Anh Nguyen:
An Efficient Method to Reduce the Size of Consistent Decision Tables. Acta Cybern. 23(4): 1039-1054 (2018)- 2012
- [c20]János Demetrovics, Hua nam Son, Ákos Gubán:
Logical Representation of Dependencies of Items and the Complexity of Customer Sets. BCI (Local) 2012: 5-10
2000 – 2009
- 2008
- [j41]János Demetrovics, Gyula O. H. Katona, Dezsö Miklós:
Functional dependencies distorted by errors. Discret. Appl. Math. 156(6): 862-869 (2008) - 2006
- [j40]János Demetrovics, Gyula O. H. Katona, Dezsö Miklós:
On the security of individual data. Ann. Math. Artif. Intell. 46(1-2): 98-113 (2006) - [c19]János Demetrovics, András J. Molnár, Bernhard Thalheim:
Relationship Design Using Spreadsheet Reasoning for Sets of Functional Dependencies. ADBIS 2006: 108-123 - [c18]János Demetrovics, Gyula O. H. Katona, Dezsö Miklós, Bernhard Thalheim:
On the Number of Independent Functional Dependencies. FoIKS 2006: 83-91 - 2004
- [c17]János Demetrovics, András J. Molnár, Bernhard Thalheim:
Graphical Reasoning for Sets of Functional Dependencies. ER 2004: 166-179 - [c16]János Demetrovics, Gyula O. H. Katona, Dezsö Miklós:
On the Security of Individual Data. FoIKS 2004: 49-58 - [e5]Georg Gottlob, András A. Benczúr, János Demetrovics:
Advances in Databases and Information Systems, 8th East European Conference, ADBIS 2004, Budapest, Hungary, September 22-25, 2004, Proceeding. Lecture Notes in Computer Science 3255, Springer 2004, ISBN 3-540-23243-5 [contents] - 2002
- [c15]János Demetrovics, Gyula O. H. Katona, Dezsö Miklós:
Functional Dependencies in Presence of Errors. FoIKS 2002: 85-92 - 2000
- [c14]Richard P. Anstee, János Demetrovics, Gyula O. H. Katona, Attila Sali:
Low Discrepancy Allocation of Two-Dimensional Data. FoIKS 2000: 1-12 - [c13]János Demetrovics, Gyula O. H. Katona, Dezsö Miklós:
Error-Correcting Keys in Relational Databases. FoIKS 2000: 88-93
1990 – 1999
- 1999
- [j39]János Demetrovics, Attila Pethö, Lajos Rónyai:
On 1-Representations of Integers. Acta Cybern. 14(1): 27-36 (1999) - [j38]János Demetrovics, Vu Duc Thi:
Describing Candidate Keys by Hypergraphs. Comput. Artif. Intell. 18(2): 191-207 (1999) - 1998
- [j37]János Demetrovics, Gyula O. H. Katona, Dezsö Miklós, Oleg Seleznjev, Bernhard Thalheim:
Asymptotic Properties of Keys and Functional Dependencies in Random Databases. Theor. Comput. Sci. 190(2): 151-166 (1998) - 1996
- [j36]János Demetrovics, Vu Duc Thi:
Some Results About Normal Forms for Functional Dependency in the Relational Datamodel. Discret. Appl. Math. 69(1-2): 61-74 (1996) - [c12]Miklós Biró, János Demetrovics, Tibor Remzsö:
Spreadsheet-Based Model Building and Multiple Criteria Group Evaluation Support. ER Workshop Challenges of Application and Challenges of Design 1996: 1-21 - 1995
- [j35]János Demetrovics, Vu Duc Thi:
Some Remarks On Generating Armstrong And Inferring Functional Dependencies Relation. Acta Cybern. 12(2): 167-180 (1995) - [j34]János Demetrovics, Vu Duc Thi:
Armstrong Relations, Functional Dependencies and Strong Dependencies. Comput. Artif. Intell. 14(3): 279-298 (1995) - [j33]János Demetrovics, Vu Duc Thi:
Some Observations on the Minimal Armstrong Relations for Normalised Relation Schemes. Comput. Artif. Intell. 14(5): 455-467 (1995) - [c11]János Demetrovics, Gyula O. H. Katona, Dezsö Miklós, Oleg Seleznjev, Bernhard Thalheim:
The Average Length of Keys and Functional Dependencies in (Random) Databases. ICDT 1995: 266-279 - 1994
- [j32]János Demetrovics, Vu Duc Thi:
Normal Forms and Minimal Keys in the Relational Datamodel. Acta Cybern. 11(3): 205-215 (1994) - [c10]János Demetrovics, Corina Reischer, Dan A. Simovici, Ivan Stojmenovic:
Enumeration of Function and Bases of Three-Valued Set Logic under compositions with Boolean Functions. ISMVL 1994: 164-171 - 1993
- [j31]János Demetrovics, Vu Duc Thi:
Some Problems Concerning Armstrong Relations of Dual Schemes and Relation Schemes in the Relational Datamodel. Acta Cybern. 11(1-2): 35-47 (1993) - [j30]János Demetrovics, Gyula O. H. Katona:
A Survey of Some Combinatorial Results Concerning Functional Dependencies in Database Relations. Ann. Math. Artif. Intell. 7(1-4): 63-82 (1993) - [j29]János Demetrovics, Lajos Rónyai, Hua nam Son:
Functional Dependencies among Boolean Dependencies. Ann. Math. Artif. Intell. 7(1-4): 83-106 (1993) - [j28]János Demetrovics, Vu Duc Thi:
Some Problems Concerning Keys for Relation Schemes and Relations in the Relational Datamodel. Inf. Process. Lett. 46(4): 179-184 (1993) - 1992
- [j27]János Demetrovics, G. Hencsey, Leonid Libkin, Ilya B. Muchnik:
On the Interaction Between Closure Operations and Choice Functions with Applications to Relational Database. Acta Cybern. 10(3): 129-139 (1992) - [j26]János Demetrovics, G. Hencsey, Leonid Libkin, Ilya B. Muchnik:
Normal Form Relation Schemes: A New Characterization. Acta Cybern. 10(3): 141-153 (1992) - [j25]János Demetrovics, Lajos Rónyai:
A Note on Intersection of Isotone Clones. Acta Cybern. 10(3): 217-220 (1992) - [j24]János Demetrovics, Gyula O. H. Katona, Dezsö Miklós:
Partial Dependencies in Relational Databases and their Realization. Discret. Appl. Math. 40(2): 127-138 (1992) - [j23]János Demetrovics, Gyula O. H. Katona, Attila Sali:
The Characterization of Branching Dependencies. Discret. Appl. Math. 40(2): 139-153 (1992) - [j22]János Demetrovics, Leonid Libkin, Ilya B. Muchnik:
Functional Dependencies in Relational Databases: A Lattice Point of View. Discret. Appl. Math. 40(2): 155-185 (1992) - [c9]János Demetrovics, Lajos Rónyai, Hua nam Son:
On the Composition and Decomposition of Attributes and Tuples. ICDT 1992: 71-85 - 1991
- [j21]Joachim Biskup, János Demetrovics, Leonid Libkin, Ilya B. Muchnik:
On Relational Database Schemes Having Unique Minimal Key. J. Inf. Process. Cybern. 27(4): 217-225 (1991) - [j20]Gustav Burosch, János Demetrovics, Gyula O. H. Katona, Daniel J. Kleitman, Alexander A. Sapozhenko:
On the Number of Databases and Closure Operations. Theor. Comput. Sci. 78(2): 377-381 (1991) - [c8]János Demetrovics, Lajos Rónyai, Hua nam Son:
On the Representation of Dependencies by Propositional Logic. MFDBS 1991: 230-242 - [e4]Bernhard Thalheim, János Demetrovics, Hans-Detlef Gerhardt:
MFDBS 91, 3rd Symposium on Mathematical Fundamentals of Database and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings. Lecture Notes in Computer Science 495, Springer 1991, ISBN 3-540-54009-1 [contents] - 1990
- [c7]János Demetrovics, Masahiro Miyakawa, Ivo G. Rosenberg, Dan A. Simovici, Ivan Stojmenovic:
Intersections of Isotone Clones on a Finite Set. ISMVL 1990: 248-253
1980 – 1989
- 1989
- [c6]János Demetrovics, Leonid Libkin, Ilya B. Muchnik:
Functional Dependencies and the Semilattice of Closed Classes. MFDBS 1989: 136-147 - [e3]János Csirik, János Demetrovics, Ferenc Gécseg:
Fundamentals of Computation Theory, International Conference FCT'89, Szeged, Hungary, August 21-25, 1989, Proceedings. Lecture Notes in Computer Science 380, Springer 1989, ISBN 3-540-51498-8 [contents] - [e2]János Demetrovics, Bernhard Thalheim:
MFDBS 89, 2nd Symposium on Mathematical Fundamentals of Database Systems, Visegrád, Hungary, June 26-30, 1989. Lecture Notes in Computer Science 364, Springer 1989, ISBN 3-540-51251-9 [contents] - 1988
- [j19]János Demetrovics, Vu Duc Thi:
Some results about functional dependencies. Acta Cybern. 8(3): 273-278 (1988) - [j18]János Demetrovics, Vu Duc Thi:
Relations and minimal keys. Acta Cybern. 8(3): 279-285 (1988) - [j17]János Demetrovics, Vu Duc Thi:
On Keys in the Relational Data Model. J. Inf. Process. Cybern. 24(10): 515-519 (1988) - [c5]János Demetrovics, Gy. Gyepesi, László Hannák, Tibor Remzsö, F. Urbánszki:
LATOR - a Database Management System for Local Networks. AIMSA 1988: 347-354 - [e1]Joachim Biskup, János Demetrovics, Jan Paredaens, Bernhard Thalheim:
MFDBS 87, 1st Symposium on Mathematical Fundamentals of Database Systems, Dresden, GDR, January 19-23, 1987, Proceedings. Lecture Notes in Computer Science 305, Springer 1988, ISBN 3-540-19121-6 [contents] - 1987
- [j16]János Demetrovics, Ho Thuan, Nguyen Xuan Huy, Le Van Bao:
Translation of Relation Schemes, Balanced Relation Schemes and the Problem of Key Representation. J. Inf. Process. Cybern. 23(2/3): 81-97 (1987) - [j15]János Demetrovics, László Hannák:
Construction of Large Sets of Clones. Math. Log. Q. 33(2): 127-133 (1987) - [c4]Elöd Knuth, János Demetrovics, Ágnes Hernádi:
On Transformation Properties of Conceptual Structures. ISMIS 1987: 217-223 - [c3]János Demetrovics, Gyula O. H. Katona:
Extremal Combinatorial Problems of Database Models. MFDBS 1987: 99-127 - 1986
- [b1]János Demetrovics, Elöd Knuth, Péter Radó:
Computer-Aided Specification Techniques. World Scientific Series in Computer Science 1, World Scientific 1986, ISBN 978-9971-978-53-2, pp. 1-128 - [c2]Elöd Knuth, János Demetrovics, Ágnes Hernádi:
Information System Design: Techniques and Software Support - Response. IFIP Congress 1986: 635-640 - 1985
- [j14]János Demetrovics, Zoltán Füredi, Gyula O. H. Katona:
Minimum matrix representation of closure operations. Discret. Appl. Math. 11(2): 115-128 (1985) - 1983
- [j13]János Demetrovics, Gy. Gyepesi:
A note on minimal matrix representation of closure operations. Comb. 3(2): 177-179 (1983) - [j12]János Demetrovics, Gy. Gyepesi:
Some generalized type functional dependencies formalized as equality set on matrices. Discret. Appl. Math. 6(1): 35-47 (1983) - 1982
- [j11]János Demetrovics, Elöd Knuth, Péter Radó:
Specification Meta Systems. Computer 15(5): 29-35 (1982) - 1981
- [j10]János Demetrovics, Gy. Gyepesi:
On the functional dependency and some generalizations of it. Acta Cybern. 5(3): 295-305 (1981) - [c1]János Demetrovics, Gyula O. H. Katona:
Extremal Combinatorial Problems in Relational Data Base. FCT 1981: 110-119 - 1980
- [j9]A. Békéssy, János Demetrovics, László Hannák, Peter Frankl, Gyula O. H. Katona:
On the number of maximal dependencies in a data base relation of fixed order. Discret. Math. 30(2): 83-88 (1980) - [j8]János Demetrovics:
Candidate Keys and Antichains. SIAM J. Algebraic Discret. Methods 1(1): 92 (1980)
1970 – 1979
- 1979
- [j7]János Demetrovics:
On the equivalence of candidate keys with Sperner systems. Acta Cybern. 4(3): 247-252 (1979) - [j6]János Demetrovics, László Hannák:
The cardinality of closed sets in pre-complete classes in k-valued logics. Acta Cybern. 4(3): 273-277 (1979) - [j5]A. Békéssy, János Demetrovics:
Contribution to the theory of data base relations. Discret. Math. 27(1): 1-10 (1979) - 1978
- [j4]János Demetrovics:
On the main diagonal of sheffer functions. Discret. Math. 21(1): 1-5 (1978) - [j3]János Demetrovics:
On the Number of Candidate Keys. Inf. Process. Lett. 7(6): 266-269 (1978) - 1976
- [j2]János Demetrovics:
On the comparison of limit-logics by the simulation of finite-valued logic (in Russian). Acta Cybern. 2(4): 307-312 (1976) - 1972
- [j1]János Demetrovics:
On cardinal numbers of sets of precomplete classes in limit-logics (in Russian). Acta Cybern. 1(4): 233-239 (1972)
Coauthor Index
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