János Demetrovics

70 papers A 3B 2C 3Misc 1Journal 44Unranked 13
YearRankTypeTitle / Venue / Authors
2026 J jnl
Relational games and repeated bayesian relational games with decision tables for influencer marketing.
Soft Comput.
Nghia D. Vu, János Demetrovics, Vu Duc Thi, Nguyen Hoang Son, Nguyen Long Giang
2025 J jnl
Approximate Relational Games For Green Influencer Marketing Optimization.
IEEE Access
Nghia D. Vu, János Demetrovics, Giang L. Nguyen, Vu Duc Thi, Son H. Nguyen, Kuop G. Nguyen
2018 J jnl
An Efficient Method to Reduce the Size of Consistent Decision Tables.
Acta Cybern.
János Demetrovics, Hoang Minh Quang, Vu Duc Thi, Viet Anh Nguyen
2012 — conf
Logical Representation of Dependencies of Items and the Complexity of Customer Sets.
BCI (Local)
János Demetrovics, Hua nam Son, Ákos Gubán
2008 J jnl
Functional dependencies distorted by errors.
Discret. Appl. Math.
János Demetrovics, Gyula O. H. Katona, Dezsö Miklós
2006 — conf
On the Number of Independent Functional Dependencies.
FoIKS
János Demetrovics, Gyula O. H. Katona, Dezsö Miklós, Bernhard Thalheim
2006 J jnl
On the security of individual data.
Ann. Math. Artif. Intell.
János Demetrovics, Gyula O. H. Katona, Dezsö Miklós
2006 C conf
Relationship Design Using Spreadsheet Reasoning for Sets of Functional Dependencies.
ADBIS
János Demetrovics, András J. Molnár, Bernhard Thalheim
2004 C ed.
Advances in Databases and Information Systems, 8th East European Conference, ADBIS 2004, Budapest, Hungary, September 22-25, 2004, Proceeding
ADBIS
Georg Gottlob, András A. Benczúr, János Demetrovics
2004 A conf
Graphical Reasoning for Sets of Functional Dependencies.
ER
János Demetrovics, András J. Molnár, Bernhard Thalheim
2004 — conf
On the Security of Individual Data.
FoIKS
János Demetrovics, Gyula O. H. Katona, Dezsö Miklós
2002 — conf
Functional Dependencies in Presence of Errors.
FoIKS
János Demetrovics, Gyula O. H. Katona, Dezsö Miklós
2000 — conf
Error-Correcting Keys in Relational Databases.
FoIKS
János Demetrovics, Gyula O. H. Katona, Dezsö Miklós
2000 — conf
Low Discrepancy Allocation of Two-Dimensional Data.
FoIKS
Richard P. Anstee, János Demetrovics, Gyula O. H. Katona, Attila Sali
1999 J jnl
Describing Candidate Keys by Hypergraphs.
Comput. Artif. Intell.
János Demetrovics, Vu Duc Thi
1999 J jnl
On 1-Representations of Integers.
Acta Cybern.
János Demetrovics, Attila Pethö, Lajos Rónyai
1998 J jnl
Asymptotic Properties of Keys and Functional Dependencies in Random Databases.
Theor. Comput. Sci.
János Demetrovics, Gyula O. H. Katona, Dezsö Miklós, Oleg Seleznjev, Bernhard Thalheim
1996 J jnl
Some Results About Normal Forms for Functional Dependency in the Relational Datamodel.
Discret. Appl. Math.
János Demetrovics, Vu Duc Thi
1996 — conf
Spreadsheet-Based Model Building and Multiple Criteria Group Evaluation Support.
ER Workshop Challenges of Application and Challenges of Design
Miklós Biró, János Demetrovics, Tibor Remzsö
1995 J jnl
Armstrong Relations, Functional Dependencies and Strong Dependencies.
Comput. Artif. Intell.
János Demetrovics, Vu Duc Thi
1995 J jnl
Some Observations on the Minimal Armstrong Relations for Normalised Relation Schemes.
Comput. Artif. Intell.
János Demetrovics, Vu Duc Thi
1995 J jnl
Some Remarks On Generating Armstrong And Inferring Functional Dependencies Relation.
Acta Cybern.
János Demetrovics, Vu Duc Thi
1995 A conf
The Average Length of Keys and Functional Dependencies in (Random) Databases.
ICDT
János Demetrovics, Gyula O. H. Katona, Dezsö Miklós, Oleg Seleznjev, Bernhard Thalheim
1994 — conf
Enumeration of Function and Bases of Three-Valued Set Logic under compositions with Boolean Functions.
ISMVL
János Demetrovics, Corina Reischer, Dan A. Simovici, Ivan Stojmenovic
1994 J jnl
Normal Forms and Minimal Keys in the Relational Datamodel.
Acta Cybern.
János Demetrovics, Vu Duc Thi
1993 J jnl
A Survey of Some Combinatorial Results Concerning Functional Dependencies in Database Relations.
Ann. Math. Artif. Intell.
János Demetrovics, Gyula O. H. Katona
1993 J jnl
Functional Dependencies among Boolean Dependencies.
Ann. Math. Artif. Intell.
János Demetrovics, Lajos Rónyai, Hua nam Son
1993 J jnl
Some Problems Concerning Armstrong Relations of Dual Schemes and Relation Schemes in the Relational Datamodel.
Acta Cybern.
János Demetrovics, Vu Duc Thi
1993 J jnl
Some Problems Concerning Keys for Relation Schemes and Relations in the Relational Datamodel.
Inf. Process. Lett.
János Demetrovics, Vu Duc Thi
1992 J jnl
A Note on Intersection of Isotone Clones.
Acta Cybern.
János Demetrovics, Lajos Rónyai
1992 J jnl
Functional Dependencies in Relational Databases: A Lattice Point of View.
Discret. Appl. Math.
János Demetrovics, Leonid Libkin, Ilya B. Muchnik
1992 J jnl
Normal Form Relation Schemes: A New Characterization.
Acta Cybern.
János Demetrovics, G. Hencsey, Leonid Libkin, Ilya B. Muchnik
1992 A conf
On the Composition and Decomposition of Attributes and Tuples.
ICDT
János Demetrovics, Lajos Rónyai, Hua nam Son
1992 J jnl
On the Interaction Between Closure Operations and Choice Functions with Applications to Relational Database.
Acta Cybern.
János Demetrovics, G. Hencsey, Leonid Libkin, Ilya B. Muchnik
1992 J jnl
Partial Dependencies in Relational Databases and their Realization.
Discret. Appl. Math.
János Demetrovics, Gyula O. H. Katona, Dezsö Miklós
1992 J jnl
The Characterization of Branching Dependencies.
Discret. Appl. Math.
János Demetrovics, Gyula O. H. Katona, Attila Sali
1991 — ed.
MFDBS 91, 3rd Symposium on Mathematical Fundamentals of Database and Knowledge Bases Systems, Rostock, Germany, May 6-9, 1991, Proceedings
MFDBS
Bernhard Thalheim, János Demetrovics, Hans-Detlef Gerhardt
1991 J jnl
On Relational Database Schemes Having Unique Minimal Key.
J. Inf. Process. Cybern.
Joachim Biskup, János Demetrovics, Leonid Libkin, Ilya B. Muchnik
1991 J jnl
On the Number of Databases and Closure Operations.
Theor. Comput. Sci.
Gustav Burosch, János Demetrovics, Gyula O. H. Katona, Daniel J. Kleitman, Alexander A. Sapozhenko
1991 — conf
On the Representation of Dependencies by Propositional Logic.
MFDBS
János Demetrovics, Lajos Rónyai, Hua nam Son
1990 — conf
Intersections of Isotone Clones on a Finite Set.
ISMVL
János Demetrovics, Masahiro Miyakawa, Ivo G. Rosenberg, Dan A. Simovici, Ivan Stojmenovic
1989 — conf
Functional Dependencies and the Semilattice of Closed Classes.
MFDBS
János Demetrovics, Leonid Libkin, Ilya B. Muchnik
1989 B ed.
Fundamentals of Computation Theory, International Conference FCT'89, Szeged, Hungary, August 21-25, 1989, Proceedings
FCT
János Csirik, János Demetrovics, Ferenc Gécseg
1989 — ed.
MFDBS 89, 2nd Symposium on Mathematical Fundamentals of Database Systems, Visegrád, Hungary, June 26-30, 1989
MFDBS
János Demetrovics, Bernhard Thalheim
1988 Misc conf
LATOR - a Database Management System for Local Networks.
AIMSA
János Demetrovics, Gy. Gyepesi, László Hannák, Tibor Remzsö, F. Urbánszki
1988 — ed.
MFDBS 87, 1st Symposium on Mathematical Fundamentals of Database Systems, Dresden, GDR, January 19-23, 1987, Proceedings
MFDBS
Joachim Biskup, János Demetrovics, Jan Paredaens, Bernhard Thalheim
1988 J jnl
On Keys in the Relational Data Model.
J. Inf. Process. Cybern.
János Demetrovics, Vu Duc Thi
1988 J jnl
Relations and minimal keys.
Acta Cybern.
János Demetrovics, Vu Duc Thi
1988 J jnl
Some results about functional dependencies.
Acta Cybern.
János Demetrovics, Vu Duc Thi
1987 J jnl
Construction of Large Sets of Clones.
Math. Log. Q.
János Demetrovics, László Hannák
1987 — conf
Extremal Combinatorial Problems of Database Models.
MFDBS
János Demetrovics, Gyula O. H. Katona
1987 C conf
On Transformation Properties of Conceptual Structures.
ISMIS
Elöd Knuth, János Demetrovics, Ágnes Hernádi
1987 J jnl
Translation of Relation Schemes, Balanced Relation Schemes and the Problem of Key Representation.
J. Inf. Process. Cybern.
János Demetrovics, Ho Thuan, Nguyen Xuan Huy, Le Van Bao
1986 — book
Computer-Aided Specification Techniques
János Demetrovics, Elöd Knuth, Péter Radó
1986 — conf
Information System Design: Techniques and Software Support - Response.
IFIP Congress
Elöd Knuth, János Demetrovics, Ágnes Hernádi
1985 J jnl
Minimum matrix representation of closure operations.
Discret. Appl. Math.
János Demetrovics, Zoltán Füredi, Gyula O. H. Katona
1983 J jnl
A note on minimal matrix representation of closure operations.
Comb.
János Demetrovics, Gy. Gyepesi
1983 J jnl
Some generalized type functional dependencies formalized as equality set on matrices.
Discret. Appl. Math.
János Demetrovics, Gy. Gyepesi
1982 J jnl
Specification Meta Systems.
Computer
János Demetrovics, Elöd Knuth, Péter Radó
1981 B conf
Extremal Combinatorial Problems in Relational Data Base.
FCT
János Demetrovics, Gyula O. H. Katona
1981 J jnl
On the functional dependency and some generalizations of it.
Acta Cybern.
János Demetrovics, Gy. Gyepesi
1980 J jnl
Candidate Keys and Antichains.
SIAM J. Algebraic Discret. Methods
János Demetrovics
1980 J jnl
On the number of maximal dependencies in a data base relation of fixed order.
Discret. Math.
A. Békéssy, János Demetrovics, László Hannák, Peter Frankl, Gyula O. H. Katona
1979 J jnl
Contribution to the theory of data base relations.
Discret. Math.
A. Békéssy, János Demetrovics
1979 J jnl
On the equivalence of candidate keys with Sperner systems.
Acta Cybern.
János Demetrovics
1979 J jnl
The cardinality of closed sets in pre-complete classes in k-valued logics.
Acta Cybern.
János Demetrovics, László Hannák
1978 J jnl
On the Number of Candidate Keys.
Inf. Process. Lett.
János Demetrovics
1978 J jnl
On the main diagonal of sheffer functions.
Discret. Math.
János Demetrovics
1976 J jnl
On the comparison of limit-logics by the simulation of finite-valued logic (in Russian).
Acta Cybern.
János Demetrovics
1972 J jnl
On cardinal numbers of sets of precomplete classes in limit-logics (in Russian).
Acta Cybern.
János Demetrovics