Date | Author/Title | | Document Type |
---|
2022 | Son, N H and Demetrovics, János and Thi, V D and Thuy, N N Investigation of Dense Family of Closure Operations | | Article |
2019 | Duong, H T and Demetrovics, János and Thi, V D and Thang, N T and Anh, T T An Algorithm for Mining High Utility Sequential Patterns with Time Interval | | Article |
2018 | Demetrovics, János and Quang, Hoang Minh and Thi, Vu Duc and Anh, Nguyen Viet An Efficient Method to Reduce the Size of Consistent Decision Tables | | Article |
2016 | Demetrovics, János and Hua, Nam Son and Gubán, Ákos A Formal Representation for Structured Data | | Article |
2014 | Demetrovics, János and Thi, Vu Duc and Giang, Nguyen Long Metric based attribute reduction in dynamic desicion tables | | Article |
2014 | Demetrovics, János and Son, Hua Nam and Gubán, Ákos An algebraic approach to the study of market baskets and their classification | | Article |
2013 | Demetrovics, János and Thi, Vu Duc and Giang, Nguyen Long A Distance-Based Method for Attribute Reduction in Incomplete Decision Systems | | Article |
2013 | Demetrovics, János and Vu, Duc and Nguyen, Long An Efficient Algorithm for Determining the Set of All Reductive Attributes in Incomplete Decision Tables | | Article |
2011 | Demetrovics, János and Hua, Nam Son and Gubán, Ákos An Algebraic Representation of Frequent Market Baskets and Association Rules | | Article |
2011 | Demetrovics, János and Hua, Nam Son and Gubán, Ákos An Algebraic Representation of Frequent Market Baskets and Association Rules | | Article |
2011 | Demetrovics, János and Hua Nam, Son and Gubán, Ákos An algebraic representation of frequent market baskets and association rules | | Article |
2009 | Demetrovics, János and Molnár, András and Thalheim, Bernhard Reasoning methods for designing and surveying relationships described by sets of functional constraints | | Article |
2008 | Demetrovics, János and Molnár, András and Thalheim, Berhard Graphs representimg sets of functional dependencies | | Article |
2007 | Demetrovics, János and Molnár, András and Thalheim, Bernhard Relációs adatbázisok funkcionális függőségi rendszereinek grafikus axiomatizációja | | Article |
2006 | Demetrovics, János and Molnár, András and Thalheim, Bernhard Relációs adatbázisok funkcionális függőségi rendszereinek grafikus axiomatizációja | | Article |
2004 | Demetrovics, János and Molnár, A. and Thalheim, B. Graphical reasoning for sets of functional dependencies | | Article |
2003 | Demetrovics, János and Rónyai, Lajos and Son, H. Dependencies and generalized relations | | Article |
2003 | Demetrovics, János and Katona, GOH and Sali, A. Recent combinatorial results in the theory of relational databases | | Article |
2000 | Demetrovics, János and Katona, GYOH Az algoritmusok bonyolultsága | | Article |
2000 | Demetrovics, János and Katona, GOH and Miklós, D. Error-correcting keys in relational databases | | Article |
2000 | Anstee, R. and Demetrovics, János and Katona, GOH and Sali, A. Low discrepancy allocation of two-dimensional data | | Article |
2000 | Demetrovics, János and Thi, VD Some computational problems related to Boyce-Codd normal form | | Article |
1999 | Demetrovics, János and Thi, VD Describing candidate keys by hypergraphs | | Article |
1999 | Demetrovics, János and Pethő, A. and Rónyai, Lajos On plus-minus 1-representations of integers | | Article |
1998 | Demetrovics, János and Katona, GOH and Miklós, D. and Seleznjev, O. and Thalheim, B. Asymptotic properties of keys and functional dependencies in random databases | | Article |
1998 | Demetrovics, János and Katona, GOH and Sali, A. Design type problems motivated by database theory | | Article |
1998 | Demetrovics, János and Katona, GOH and Miklós, D. and Seleznjev, O. and Thalheim, B. Functional dependencies in random databases | | Article |
1998 | Demetrovics, János and Friedl, K. and Rónyai, Lajos Periodical scheduling | | Article |
1996 | Demetrovics, János and Rónyai, Lajos and Rosenberg, IG and Stojmenovic, I. Clones and maximal sets in set logic containing all Boolean functions | | Article |
1996 | Demetrovics, János and Thi, VD Some results about normal forms for functional dependency in the relational datamodel | | Article |
1995 | Demetrovics, János and Thi, VD Armstrong relations, functional dependencies and strong dependencies | | Article |
1995 | Demetrovics, János and Thi, VD Family of functional dependencies and its equivalent descriptions | | Article |
1995 | Demetrovics, János and Katona, GYOH and Sali, A. Minimal representations of branching dependencies | | Article |
1994 | Demetrovics, János and Thi, VD Normal forms and minimal keys in the relational datamodel | | Article |
1993 | Demetrovics, János and Thi, VD Algorithms for generating an Armstrong relation and inferring functional dependencies in the relational datamodel | | Article |
1993 | Demetrovics, János and Rónyai, Lajos and Son, HN Equality schemes and equality scheme dependencies in relational databases | | Article |
1993 | Demetrovics, János and Thi, VD Generating Armstrong relations for relation schemes and inferring functional dependencies from relations | | Article |
1993 | Demetrovics, János and Thi, VD On the time complexity of algorithms related to Boyce-Codd normal form | | Article |
1993 | Demetrovics, János and Thi, VD Some computational problems related to the functional dependency in the relational datamodel | | Article |
1993 | Demetrovics, János and Thi, VD Some problems concerning Armstrong relations of dual schemes and relation schemes in the relational datamodel | | Article |
1993 | Demetrovics, János and Thi, VD Some problems concerning keys for relation schemes and relations in the relational datamodel | | Article |
1992 | Demetrovics, János and Libkin, L. and Muchnik, IB Functional dependencies in relational databases: a lattice point of view | | Article |
1992 | Demetrovics, János and Hencsey, G. and Libkin, L. and Muchnik, I. Normal form relation schemes: a new characterization | | Article |
1992 | Demetrovics, János and Rónyai, Lajos and SON, HN ON THE COMPOSITION AND DECOMPOSITION OF ATTRIBUTES AND TUPLES | | Article |
1992 | Demetrovics, János and Hencsey, G. and Libkin, L. and Muchnik, I. On the interaction between closure operations and choice functions with applications to relational databases | | Article |
1992 | Demetrovics, János and Katona, GOH and Miklós, D. Partial dependencies in relational databases and their realization | | Article |
1992 | Demetrovics, János and Huy, NX Representation of closure for functional, multivalued and join dependencies | | Article |
1992 | Demetrovics, János and Katona, GOH and Sali, A. The characterization of branching dependencies | | Article |
1992 | Demetrovics, János and Rónyai, Lajos A note on intersections of isotone clones | | Article |
Date | Author/Title | | Document Type |
---|
2012 | Demetrovics, János and Hua, Nam Son and Gubán, Ákos Logical Representation of Dependencies of Items and the Complexity of Customer Sets | | Conference or Workshop Item |
2011-09-26 | Demetrovics, János and Hua Nam, Son and Gubán, Ákos An algebraic approach to market basket model: explicit represenatation of frequent market baskets and associations rules | | Conference or Workshop Item |
2011 | Demetrovics, János and Hua, Nam Son and Gubán, Ákos An algebric approach to market basket model | | Conference or Workshop Item |
2002 | Demetrovics, János and Katona, GOH and Miklós, D. Functional dependencies in the presence of errors | | Conference or Workshop Item |
1999 | Demetrovics, János and Kul'ba, VV and Selkov, AB and Urbánszki, F. Informacionnaa bezopasnost' avtomatizirovannyh sistem upravlenia. (Information security of automatic control systems.) (in Russian) | | Conference or Workshop Item |
1996 | Biró, M. and Demetrovics, János and Hetthéssy, J. and Remzső, T. An overview of EDI and applications in Hungary | | Conference or Workshop Item |
1995 | Demetrovics, János and Katona, GYOH and Miklós, D. and Seleznjev, O. and Thalheim, B. The average length of keys and functional dependencies in (random) databases | | Conference or Workshop Item |
1994 | Demetrovics, János and Son, HN Databases, closure operations and sperner families | | Conference or Workshop Item |