Mathematical Foundations of Computer Science. vol. I: Sets, Relations,
Induction in Computer Science (with Peter Fejer), Springer Verlag, New York,
1990
Logical Foundations of Computer Science (with Peter Fejer), in
preparation for Springer-Verlag, New York
Introduction aux Structures Algébriques, (2 vols.), ERPI, Montreal,
Canada, 1992
Formal Languages and Compiling Techniques, Editura
Didactica si Pedagogica, Bucharest, Romania, 1978
Recent Publications
Inertial entropy and external Validation of clusterings, Journal of
Harbin Institute of Technology (New Series), with Joshua Yee, 2024
Monotonic Entropies, Scientific Annals of Computer Science vol. 34 (1), 2024, pp. 6787
doi: 10.47743/SACS.2024.1.67
Dual Criteria Determination of the Number of Clusters in Data
(Kaixun Hua), Proceedings of SYNASC 2018, Timisoara, 201-207, Computer Society.
Ultrametricity of Dissimilarity Spaces and Its Significance for Data Mining
(with R. Vetro and K. Hua),
EGC 2015, Luxembourg, Revue des Nouvelles Technologies de l'Information,
RNTI E. 28, 89-100
(pdf file)
Several Remarks on Dissimilarities and Ultrametrics, Scientific Annals of Computer Science, "Al. I. Cuza" University
of Iasi, Romania, vol. XXV, 1, 2015, pp. 155-170
(pdf file)
Representative Training Sets for Classification and the Variablity of Empirical Distributions (with Saaid Baraty),
Extraction et Gestion des Connaisances, February 2014,
EGC'2014, Revue des Nouvelles Technologies, E. 26, pp. 299-304
(pdf file)
Evaluating Data minability Through Compression -- An Experimental Study (with Saaid Baraty and
Dan Pletea), International Journal on Advances in Software, vol. 6, no.3-4, 2013, pp 237--245
(pdf file)
On Submodular and Supermodular Functions on Lattices and Related Stuctures, to appear in the
Proceedings of the 44th International Symposium for Multiple-Valued Logic, Bremen, Germany, May 17-19, 2014
(pdf file)
Data Mining of Medical Data: Opportunities and Challeges in Mining
Association Rules, IALS, Cecilienhof, Potsdam, August 2012
(pdf file)
Evaluating Data Minability through Compression - An Experimental Study
(with D. Pletea and S. Baraty) - Proceedings of Data Analytics 2012,
Barcelona, Spain, September 2012, pp. 97-102
(pdf file)
Polarities, Axiallities, and Marketability, DaWaK 2012,
Vienna, September 2012 (with P. Fomenky and W. Kurz), LNCS 7448,
Springer-Verlag, pp.243-252
(pdf file)
Information-Theoretical Mining of Determining Sets for Partially
Defined Functions, to appear at the Journal for Multiple-Valued Logic
and Soft Computing (with Dan Pletea and Rosanne Vetro) (pdf file)
Evaluating Bayesian Networks by Sampling with Simplified Assumptions
EGC 2012, Bordeaux, Revue des Nouvelles Technologies de l'Information, RNTI, E.23, pp. 11-16
(with Saaid Baraty)
Several Remarks on the Metric Space of Genetic Codes,
International Journal of Data Mining and Bioinformatics, vol. 6, 2012,
pp. 17-26 (with D. Weisman)
(pdf file)
Entropic-Genetic Clustering, Revue des Nouvelles Technologies d'Information, Extraction et Gestion des Connaissances, 2011,
Brest, France, pp. 71--76 (with M. Breaban and H. Luchian)
(pdf file)
Approximative distance computation by random hashing (with S. Mimaroglu and M. Yagci),
Journal of Supercomputing, appeared in "On line first" (to appear in print this Fall,
(pdf file)
Entropy quad-trees for high complexity region detection (with R. Vetro and W. Ding), IJSSCI, vol. 3, pp. 16-33, 2011.
The Impact of Triangular Inequality Violations on Medoid-Based
Clustering, Proceedings of ISMIS 2011, (with S. Baraty and C. Zara)
Warsaw, Poland, June 2011, Lecture Notes in Artificial Intelligence,
LNAI 6804, pp. 280--289, (pdf file)
Entropies on Bounded Lattices, Proceedings of the 41st International Symposium for Multiple-Valued Logic,
Tuusula, Finland, May 2011, pp. 307--312 (pdf file)
Singular value decomposition is a valid predictor of stroke importance
in reading Chinese, (with Wang, H.C., Angele, B., Schotter, E., Yang,
J., Pomplun, M. and Rayner, K.) Poster at the 16th European
Conference on Eye Movements (ECEM2011), Marseille, France. August,
2011.
Bernoulli Trials Based Feature Selection for Crater Detections,
(with Liu, W. Ding, J. P. Cohen, T. Stepinski)
the 19th ACM SIGSPATIAL International Conference on Advances in
Geographic Information Systems, Chicago, IL, November, 2011
Mining Determining Sets for Partially Defined Functions (with D. Pletea and R. Vetro),
Advances in Data Mining, Lecture Notes in Artificial Intelligence LNAI 5633, Springer-Verlag
(pdf file)
Scalable pattern mining with Bayesian networks, Data Mining and Knowledge Discovery,
(Springer-Verlag), vol. 18, 2009, pp.56-100 (with S. Jaroszewicz and T. Scheffer)
(pdf file)
Mining Approximative Descriptions of Sets Using Rough Sets (with Selim Mimaroglu),
Proceedings of the 39th International Symposium for Multiple-Valued Logic, Okinawa, Japan, May 2009
(pdf file)
Binary Sequences and Association Graphs for Fast Detection of Sequential Patterns
(with S. Mimaroglu), EGC 2009, Strassbourg, January 2009
(pdf file)
Edge Evaluation in Bayesian Network Structures (with Saaid Baraty),
Proceedings of the 8th Australian Data Mining Conference (AusDM 2009),
Australian Computer Society and ACM, pp. 193-201
(pdf file)
Structural Classification of XML Documents Using Multisets (with S. Iyer),
International Journal on Artificial Intelligence Tools, vol. 17, no.5, pp.1003-1022
(pdf file)
Approximate Computation of Object Distances by Locally-Sensitive Hashing (with S. Mimaroglu),
to appear in Proceedings of DBMIN'08, Las Vegas, August 2008
(pdf file)
Metric-Entropy Pairs on Lattices, Journal of Universal Computer Science
(Springer-Verlag), vol. 13, no.11, 2007,pp. 1767-1778
(pdf file)
Betweenness, Metrics and Entropies in Lattices, Proceedings of ISMVL 2008, Dallas, TX,
May 2008; the posted version is a pre-print that will appear in the Journal for Multiple-Valued Logic
and Soft Computing
(pdf file)
Detecting Eye Fixations by Projection Clustering
(with T. Urruty, S. Lew, N. Ihadaddene) ACM Transactions on Multimedia
Computing, Communications and Applications, vol. 3, no.4, December
2007, (pdf file)
Metric Methods in Data Mining, a chapter in Data
Mining Patterns - New Methods and Applications,
P. Poncelet. M. Teisseire, F. Masseglia (eds.), Information Science
Reference, Hershey, 2007, pp. 1-31.
Structure Inference of Bayesian Networks from Data: A New Approach Based on Generalized
Conditional Entropy (with Saaid Baraty), Proceedings of ECG 2008, Sophia Antipolis, France,
Revue des Nouvelles Technologies et de l'Information, RNTI-E-11, 2008, pp. 337-342
(pdf file)
Multisets and Clustering XML Documents (with Swami Iyer) Proceedings of ICTAI,
October 2007, Patras, Greece, IEEE CS Press, pp.267-274
(pdf file)
Clustering and Approximate Identification of Frequent Item Sets
(with S. Mimaroglu) Proceedings of FLAIRS 2007, Key West, May 2007, pp. 502-506
(pdf file)
On the Axiomatization of Generalized Entropic Distances,
accepted at ISMVL 2007, Oslo, May 2007
(pdf file)
An extended version in the Journal of Multivalued Logic and Soft Computing, v. 13, f.4-6,pp.295-320 is
(pdf file)
A New Metric Splitting Criterion for Decision Trees(with Szymon Jaroszewicz)
(pdf
file) Journal of Parallel, Emerging and Distributed Computing, vol.21, no.4, pp. 239-256, 2006.
On Feature Extraction through Clustering (with Richard Butterworth and Gregory
Piatetsky-Shapiro) (pdf
file) Proceedings of ICDM 2005, pp. 581--584 Houston, Texas, November 2005.
Biclustering of Gene Expression Data Based on Local Nearness (with
J. Aguilar-Ruiz and Domingo Savio Rodriguez)
(pdf file) Proceedings of EGC 2006,
Lille, France, January 2006, pp. 681--692.
On the Ranges of Algebraic Functions in Lattices (with S. Rudeanu)
(pdf file) Studia Logica, vol. 84, no.3,
pp. 451--483, December 2006.
Semi-Supervised Incremental Clustering of Categorical Data
(with N. Singla), Proceedings of EGC 2005, Paris, France, pp. 189-200.
An Abstract Axiomatization of the Notion of Entropy (with Ivo Rosenberg),
Proceedings of ISMVL, May 2005, Calgary, Canada
(pdf file) .
Metric Incremental Clustering of Nominal Data
(with N. Singla and M. Kuperberg), Proceedings of ICDM 2004, Brigton, UK, pp. 523-527
(pdf file)
Interestingness of Frequent Itemsets Using Bayesian
Networks as Background Knowledge (with S. Jaroszewicz), Proceedings of
KDD 2004, Seattle, pp. 178--186.
(pdf file)
A Greedy Algorithm for Supervised Discretization (with
R. Butterworth, D. S. Santos and Lucila Ohno-Machado),
Journal of Biomedical Informatics, vol. 37(4), pp. 285--292.
(pdf file)
Measures on Boolean polynomials and their applications in data mining
(with S. Jaroszewicz and I. G. Rosenberg), Applied Discrete Mathematics,
volume on Discrete Mathematics and Data Mining, vol. 144,1, pp. 123--139
(pdf file)
A Metric Approach to Building Decision Trees Based on Goodman-Kruskal
Association Index (with S. Jaroszewicz),
PAKDD 2004, Sydney, Australia, May 2004,
LNAI 3056, Springer-Verlag, pp. 181--190
(pdf file)
A Graph-Theoretical Approach to Boolean Interpolation of Non-Boolean
Functions (with S. Rudeanu), Proceedings of the 34th International
Symposium for Multiple-Valued Logic, Toronto, May 2004, published by
IEEE Computer Society, pp. 245--250
(pdf file)
Evolutionary Strategy for Learning Multiple-Valued Logic
Functions (with A. Ngom and I. Stojmenovic),
Proceedings of the 34th International
Symposium for Multiple-Valued Logic, Toronto, May 2004, published by
IEEE Computer Society, pp. 154--160
A Metric Approach to Supervised Discretization (with R. Butterworth),
EGC 2004, Clermont-Ferrand, France, January 2004, Revue des Nouvelles Technologies de
l'Information, RNTI-E-2, vol. 1, pp. 197--203
The Goodman-Kruskal Coefficient and Its Applications in the Genetic
Diagnosis of Cancer (with S. Jaroszewicz, W. Kuo and L.
Ohno-Machado), IEEE Transactions on Biomedical Engineering, vol. 51, no. 7,
pp. 1095--1102, July 2004.
(pdf file)
Generating an Informative Cover for Association Rules (with L.
Cristofor), Proceedings of the 2002 IEEE International Conference on
Data Mining, pp. 597-600
(pdf file)
Approximation of Non-Boolean Functions by Boolean Functions and
Applications in Non-standard Computing, in Proceedings of the 2002
International Symposium on New Paradigm Computing, December 2002,
Sendai, Japan, pp. 27--31 (invited talk)
(pdf file)
Several Remarks on Non-Boolean Functions over Boolean Algebras,
Proc. of the International Symposium for Multiple-Valued Logic, Meiji
University, Tokyo, May 2003, pp. 163--168
(pdf file)
An Algebraic Approach to Entropy in Beyond Two: Theory and
Applications of Multiple-Valued Logic, M. Fitting and E. Orlowska
(editors), Springer-Verlag, Heidelberg, New York, 2003, pp. 101-115.
Generalized Entropy and Decision Trees, EGC 2003 - Journees
francophones d'Extraction et de Gestion de Connaissances, January
2003, Lyon, France (with S. Jaroszewicz), pp. 369-380
(ps file) (pdf file)
Support Approximations using Bonferroni-Type Inequalities (with
S. Jaroszewicz), Principles of Data Mining and Knowledge Discovery,
PKDD 2002, Helsinki, August 2002, Lecture Notes in Artificial
Intelligence, vol. 2431, pp. 212--224, Springer Verlag, Berlin, 2002.
(ps file) (pdf file)
Generating Informative Cover Rules (with Laurentiu Cristofor),
International Conference on Data Mining, Maebashi, Japan, December
2002.
(ps file) (pdf file)
Finding Median Partitions Using Information-Theoretical Algorithms
(with D. Cristofor), Journal of Universal Computer Science, vol 8,
no.2, 153--172.
(ps file) (pdf file)
An Inclusion-Exclusion Result for Boolean Polynomials and Its
Applications in Data Mining (with S. Jaroszewicz and I. Rosenberg),
Proceedings of the Discrete Mathematics and Data
Mining Workshop, Washington, April, 2002 (SIAM DM Meeting),
pp. 165-173.
(ps file) (pdf file)
An Information-Theoretical Approach to Clustering Categorical
Databases Using Genetic Algorithms (with Dana Cristofor),
Proceedings of the Workshop on Clustering High-Dimensional Data and
Its Applications, Washington, April, 2002 (SIAM DM Meeting),
pp. 37-46.
(ps file) (pdf file)
On Functions Defined on Free Boolean Algebras (with I. Rosenberg and
S. Jaroszewicz), Proceedings of the ISMVL 2002,
Boston, Massachusetts, IEEE Computer Society, Los Alamitos,
California,
pp. 192--201.
(ps file) (pdf file)
Mining for Purity Dependencies in Relational Databases (with
L. Cristofor and D. Cristofor), EGC 2000, Montpellier, January 19-23
(ps file) (pdf file)
(best paper award received from
AFIA (The French Association for Artificial Intelligence).
An Axiomatization of Partition Entropy (with S. Jaroszewicz)
Transactions on Information Theory, July 2002, vol. 48 (7),
pp. 2138--2142 (a preliminary form appeared in
the Proceedings of the 31st ISMVL,.Warsaw, Poland, May 2001, pp. 259-266).
Impurity Measures in Databases (with L. Cristofor and D. Cristofor),
Acta Informatica, 38 (2002), pp. 307-324.
Prunning Redundant Association Rules Using Maximum Entropy Principle
(with S. Jaroszewicz), Proceedings of PAKDD, Taipei,
May 2002, Lecture Notes in Artificial Intelligence, vol. 2336,
Springer Verlag, pp. 135--147.
(ps file) (pdf file)
A General Measure of Rule Interestingness (with S. Jaroszewicz)
in Principles of Data Mining and Knowledge Discovery, the 5th
European Conference, PKDD 2001, Freiburg, September 2001, Lecture Notes in
Artificial Intelligence, vol. 2168, Springer-Verlag, pp. 253-266.
Mining Association Rules in Entity-Relationship Modeled Databases
(with Laurentiu Cristofor), Technical Report, UMB, TR 2001-1
(pdf file)
An Information-Theoretical Approach to Genetic Algorithms for Clustering
(with Dana Cristofor), Technical Report, UMB, TR 2001-2
Generalized Entropy and Projection Clustering of Categorial Data
(with D. Cristofor, L. Cristofor)
in Principles of Data Mining and Knowledge Discovery, the 4th
European Conference, PKDD 2000, Lyon, Lecture Notes in Artificial
Intelligence, 1910, Springer-Verlag, pp. 619--625
Impurity Measures and Applications to Classification and Clustering,
(with Dana and Laurentiu Cristofor)
presented at the Int. Conf. on Advances
in Infrastructure for Electronic Bussiness, Science, and Education,
Scuola Superiore G.R. Romoli (Telecom -- Italia),
Aquila, Italy, August 2000
Data Mining of Weak Functional Decompositions
(with S. Jarosiewicz)
in the Proceedings of the 30th International Symposium for
Multiple-Valued Logic, Portland, Oregon, pp. 77-82
On Information-Theoretical Aspects of Relational Databases
(with S. Jarosewicz), in Finite vs. Infinite, Springer-Verlag, pp. 301--322
Galois Connections and Data Mining,
(with L. Cristofor and D. Cristofor),
Journal of Universal Computer
Sciene, Springer Verlag, vol.6, no.1, pp. 60-74
Boolean Completeness in Two-valued Set Logic,
(with I. Stojmenovic and R. Tosic)
Multi. Val. Logic, 2000,
vol. 5, pp. 267--280
On Axiomatization of Conditional Entropy of Functions between Finite Sets,
(with S. Jarosiewicz)
Proc.of the 29th ISMVL, Freiburg, Germany, pp. 24--31
Automatic Data Restructuring
(with S. Ginsburg and Nan Shu)
Journal of Universal Computer Sciene, vol. 5, no, 4, pp. 243-286
Learning with Permutably Homogeneous Perceptrons,
(with A. Ngom, I. Stojenovic, C. Reischer)
Proc.of the 28th ISMVL, Fukuoka, Japan, pp. 161--167
Functional Entropy and Decision Trees,
(with V. Shmerko, V. Cheushev, S. Yanushkiewicz)
Proc.of the 28th ISMVL, Fukuoka, Japan, pp. 257--264
Completeness Criteria in Set-Valued Logic Under Composition with Union
and Intersection,
Proceedings of the 27th International
Symposium for Multiple-Valued Logic, May 1997, pp. 75--82.
A Characterization of the Information Content of a Classification
(with K. Baclawski), Information Processing Letters, vol 57 (1996),
pp. 211--214.
Several Remarks on the Complexity of Set-Valued Switching Functions,
(with C. Reisher)
Proceedings of the 26th International Symposium for Multiple-Valued
Logic, Santiago de Compostela, Spain, 1996
A Categorial Approach to Database Semantics,
(with K. Baclawski and W. White)
Math. Struct. in Computer
Science (1994), v. 4, pp. 147-183
Recent Talks
Data Mining of Medical Data: Opportunities and Challanges
(Potsdam, August, 2012)
(pdf file)
The Vapnik-Chervonenkis Dimension and Learnability (full version),
Siemens Doctoral Summer School at the University of Iasi, Romania,
June, 2012
(pdf file)
Linear Methods in Data Mining,
Siemens Doctoral Summer School at the University of Iasi, Romania, June 20, 2009
(pdf file)
Hereditary Families of Sets in Data Mining,
University of Bucharest, Romania, June 25, 2009
(pdf file)
Metric Methods in Data Mining,
IDA 2006, Iasi, Romania, June 16, 2006,
(pdf file)
Metric Methods in Mining,
Dana Farber Cancer Institute, Boston, February 27, 2004,
(pdf file)
Wavelets and Applications (MIT, April 27, 2004)
(pdf file)
Research Directions in Data Mining (in Romanian, October 2004, Universities of Bucharest and Iasi, Romania)
(pdf file)
Metrics on Partitions of Finite Sets and Data Mining Applications (UMB, May 11, 2005)
(pdf file)
An Abstract Axiomatization of the Notion of Entropy (Calgary, May 19, 2005)
(pdf file)
Efficient Computing Through Random Algorithms (Doctoral Summer School, June 2013, Iasi, Romania)
(pdf file)
Multivalued and Binary Ultrametrics and Clusterings (Doctoral Summer School, June 2014, Iasi, Romania)
(pdf file)
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