Items where Author is "Demetrovics, János"
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Number of items: 70.
1992
1993
1994
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 1994 | Demetrovics, János and Son, HN Databases, closure operations and sperner families | Conference or Workshop Item | |
| 1994 | Demetrovics, János and Thi, VD Normal forms and minimal keys in the relational datamodel | Article |
1995
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 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 | |
| 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 |
1996
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 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 | |
| 1996 | Biró, M. and Demetrovics, János and Hetthéssy, J. and Remzső, T. An overview of EDI and applications in Hungary | Conference or Workshop Item |
1998
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 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 |
1999
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 1999 | Demetrovics, János and Thi, VD Describing candidate keys by hypergraphs | Article | |
| 1999 | Békéssy, A. and Demetrovics, János Előadások adatbázis szerkezetekből. (Lectures on database structures.) (in Hungarian.) Egyetemi jegyzet | Book | |
| 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 | |
| 1999 | Demetrovics, János and Pethő, A. and Rónyai, Lajos On plus-minus 1-representations of integers | Article |
2000
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 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 |
2002
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 2002 | Demetrovics, János and Katona, GOH and Miklós, D. Functional dependencies in the presence of errors | Conference or Workshop Item | |
| 2002 | Demetrovics, János and Katona, GOH and Miklós, D. and Sali, A. Kombinatorikus problémák relációs adatbázisokban. (Combinatorial problems in relational databases.) (in Hungarian) | Book Section |
2003
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 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 |
2004
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 2004 | Demetrovics, János and Molnár, A. and Thalheim, B. Graphical and Spreadsheet Reasoning for Sets of Functional Dependencies. (Christian Albrechts Universität. Institut für Informatik und Praktische Mathematik 0404) | Book | |
| 2004 | Demetrovics, János and Molnár, A. and Thalheim, B. Graphical reasoning for sets of functional dependencies | Article | |
| 2004 | Demetrovics, János and Sali, A. Relációs adatmodell tervezés | Book Section |
2005
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 2005 | Békéssy, A. and Demetrovics, János Adatbázis-szerkezetek | Book | |
| 2005 | Demetrovics, János and Sali, A. Lekérdezés-átírás relációs adatbázisokban | Book Section |
2006
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 2006 | Demetrovics, János and Katona, GOH and Miklós, D. and Thalheim, B. On the number of independent functional dependencies | ISI Article | |
| 2006 | Demetrovics, János and Molnár, András and Thalheim, Bernhard Relációs adatbázisok funkcionális függőségi rendszereinek grafikus axiomatizációja | Article |
2007
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 2007 | Demetrovics, János and Sali, A. Query rewriting in relational databases | Book Section | |
| 2007 | Demetrovics, János and Sali, A. Relational database design | Book Section | |
| 2007 | Demetrovics, János and Molnár, András and Thalheim, Bernhard Relációs adatbázisok funkcionális függőségi rendszereinek grafikus axiomatizációja | Article |
2008
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 2008 | Demetrovics, János and Katona, Gyula O. H. and Miklós, Dezső Functional dependencies distorted by errors | ISI Article | |
| 2008 | Demetrovics, János and Molnár, András and Thalheim, Berhard Graphs representimg sets of functional dependencies | Article |
2009
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 2009 | Demetrovics, János and Molnár, András and Thalheim, Bernhard Reasoning methods for designing and surveying relationships described by sets of functional constraints | Article |
2011
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 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 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 | |
| 2011 | Demetrovics, János and Hua, Nam Son and Gubán, Ákos An algebric approach to market basket model | Conference or Workshop Item |
2012
| 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 |
2013
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 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 |
2014
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 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 |
2016
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 2016 | Demetrovics, János and Hua, Nam Son and Gubán, Ákos A Formal Representation for Structured Data | Article |
2018
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 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 |
2019
| Date | Author/Title | Document Type | |
|---|---|---|---|
| 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 |
2022
| 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 |
