|Home Page of Alexandr Savinov|
|Work and study|
[Researcher], SAP Research, Business Intelligence Practice, Data Management & Analytics Team, Dresden, Germany
[Researcher], University of Bonn, Institute of Computer Science III, Bonn, Germany
[Senior Researcher, Researcher], Fraunhofer Institute for Intelligent Analysis and Information Systems (IAIS), the former GMD, Knowledge Discovery Team, Sankt-Augustin, Germany
[Post-doc], GMD, AIS, Sankt-Augustin, Germany
[Senior Researcher, Researcher, Junior Researcher, Software Engineer], Institute of Mathematics and Computer Science, Academy of Sciences of Moldova, Laboratory of Artificial Intelligence Systems, Kishinev, Moldova
Technical University of Moldova, Kishinev, Moldova. Specialization: Artificial intelligence, Machine learning, Expert systems, Fuzzy systems. Thesis: “Matrix Representation of Fuzzy Knowledge in Expert Systems”
Moscow Institute of Physics and Technology - MIPT (State University), Dept. of Aerophysics and Space Research. Specialization: Physics, Mathematics, Electrical Engineering, Computer Science, Artificial intelligence, Machine learning. Thesis supervisor: Prof. D.A. Pospelov
Analytics, Big data, Data mining, Machine learning, Data modeling, Query languages, In-memory databases, Column stores, Real-time analytics, Business intelligence, Data warehouses and OLAP, Database architectures, Data semantics, Spatial data management, Time-series analysis and forecasting
Knowledge representation and reasoning, Ontology engineering, Artificial intelligence, Expert systems and DSS, Fuzzy systems, Machine learning, Text mining and search techniques
Distributed computing, Programming paradigms, Programming languages, Grid/cloud computing, P2P systems, Web services, Service-oriented architecture
Visual analytics, Exploratory data analysis, Geographic information systems
(2009-2010) – a translator from COQL query language to SAP HANA in-memory engine (Java, antlr)
(2011) – schema matching for unified modeling
(2011-2012) – Auto Mapping Core, a generic library for schema matching (Java)
(2005) – experimental search engine developed and implemented (JSP, JBoss, Google Search API)
(2004) – an algorithm for (dependence) rule induction (Quota) (C++)
(1999-2002) SQL-based server-side algorithm for spatial data analysis (Oracle spatial, Java)
(2000-2003) - a system for forecasting time series and generating trade signals (Java (preprocessor and postprocessor), C++ (analysis), SVM)
(1989-1999) - an expert system shell (DOS, Windows 3.x, Windows API, C/C++, Assembly language). Several diagnostic expert systems on its basis developed
From Group-By to Accumulation: Data Aggregation Revisited. Internet of Things, Big Data and Security (IoTBDS 2017), 24-26 April, 2017, Porto, Portugal, (accepted)
A. Savinov, Joins vs. Links or Relational Join Considered Harmful. International Conference on Internet of Things and Big Data (IoTBD 2016), 23-25 April, 2016, Rome, Italy, 362-368. Download: PDF
A. Savinov, DataCommandr: Column-Oriented Data Integration, Transformation and Analysis. Internet of Things and Big Data (IoTBD’2016), 339-347, 2016. Download: PDF
A. Savinov, ConceptMix: Self-Service Analytical Data Integration based on the Concept-Oriented Model, Proc. 3rd International Conference on Data Technologies and Applications (DATA 2014), Vienna, Austria, 29-31 August 2014, 78-84. Download: PDF, Slides
A. Savinov, Concept-oriented model and nested partially ordered sets, Technische Universität Dresden, Technical Report TUD-Fl14-01, March 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-140652
A. Savinov, References and arrow notation instead of join operation in query languages, Computer Science Journal of Moldova, 20(3), 313-333, 2012. Download: PDF
A. Savinov, Concept-Oriented Programming: Classes and Inheritance Revisited, 7th International Conference on Software Paradigm Trends (ICSOFT 2012), Rome, Italy, 24-27 July, 2012, 381-387. Download: PDF
A. Savinov, Concept-Oriented Model: Classes, Hierarchies and References Revisited, Journal of Emerging Trends in Computing and Information Sciences, 3(4), 456-470, 2012. Download: PDF.
A. Savinov, Concept-Oriented Model: Extending Objects with Identity, Hierarchies and Semantics, Computer Science Journal of Moldova, 19(3), 254-287, 2011. Download: PDF.
A. Savinov, Concept-Oriented Query Language for Data Modeling and Analysis, Advanced Database Query Systems: Techniques, Applications and Technologies, L. Yan, Z. Ma (Eds), IGI Global, 2011.
A. Savinov, Hierarchical Multidimensional Modelling in the Concept-Oriented Data Model, Proc. the 3rd international conference on Concept Lattices and Their Applications (CLA'05), Olomouc, Czech Republic, September 2005. 123-134. Download: PDF, Slides.
May M., Savinov A. SPIN! - an Enterprise Architecture for Data Mining and Visual Analysis of Spatial Data, In: Visual and Spatial Analysis: Advances in Data Mining, Reasoning, and Problem Solving, B. Kovalerchuk, J. Schwing (eds.), Springer/Kluwer Academic Publishers, 293-317, 2004. The book site is here.
Savinov A. Mining Dependence Rules by Finding Largest Itemset Support Quota. ACM Symposium on Applied Computing (SAC 2004), March 14-17, 2004, Nicosia, Cyprus, 525-529. (PDF)
May M., Savinov A. SPIN! -- an Enterprise Architecture for Spatial Data Mining. Proc. of the 7th International Conference on Knowledge-Based Intelligent Information & Engineering Systems (KES’03), 3-5 September 2003, Oxford, UK, 510-517. (PDF)
Andrienko N., Andrienko G., Savinov A., Voss H., Wettschereck D. Exploratory Analysis of Spatial Data Using Interactive Maps and Data Mining. Cartography and Geographic Information Science 28(3), July 2001, 151-165.
Andrienko G., Andrienko N., Savinov A. Choropleth Maps: Classification revisited. Proc. 20th International Cartographic Conference (ICA'2001), August 6-10, 2001, Beijing, China, Vol. 2, 1209-1219
Savinov A. Mining Interesting Possibilistic Set-Valued Rules. In Fuzzy If-Then Rules in Computational Intelligence: Theory and Applications, Da Ruan and Etienne E. Kerre, eds. Kluwer, 2000, 107-133. (PostScript)
Savinov A. Mining possibilistic set-valued rules by generating prime disjunctions. Proc. 3rd European Conference on Principles and Practice of Knowledge Discovery in Databases (PKDD'99), Prague, Czech Republic, September 15-18, 1999, 536-541. (PDF, PostScript)
Savinov A. Fuzzy propositional logic. Fuzzy Sets and Systems 60(1), 9-17, 1993
Savinov A. Fuzzy propositional logic for the knowledge representation. 1st European Congress on Fuzzy and Intelligent Technologies (EUFIT'93), Aachen, Germany, September 7-10, 1993. (PDF)
Levchenko V., Savinov A. Diagnosis by fuzzy constraints in attribute model. 2nd European Congress on Intelligent Techniques and Soft Computing (EUFIT'94), Aachen, Germany, September 20-23, 382-385, 1994. (PDF)
Savinov A. Some properties of new resolution rule in the logic of possibility distributions. 4th European Congress on Intelligent Techniques and Soft Computing (EUFIT'96), Aachen, Germany, September 2-5, 178-182, 1996. (PDF)Online papers:
A. Savinov, Informal Introduction into the Concept-Oriented Programming, The Concept-Oriented Portal. Download: PDF.
A. Savinov, Informal Introduction into the Concept-Oriented Data Model, The Concept-Oriented Portal. Download: PDF.
A. Savinov, Logical Navigation in the Concept-Oriented Data Model, Journal of Conceptual Modeling 36, August 2005. Download: PDF.
A. Savinov, An Algorithm for Induction of Possibilistic Set-Valued Rules by Finding Prime Disjunctions, 4rd Online World Conference on Soft Computing in Industrial Applications -- WSC4, 21-30 Sept. 1999.
A. Savinov, Application of Multi-dimensional Fuzzy Analysis to Decision Making. 3rd Online World Conference on Soft Computing in Engineering Design and Manufacturing -- WSC3, 21-30 June 1998.
A. Savinov, New Fuzzy Resolution Operation.
A. Savinov, Fuzzy Multi-dimensional Analysis.