A quality model of metamodeling systemsSgirka, Rünno; Eessaar, ErkiEmerging trends in computing, informatics, systems sciences, and engineering2013 / p. 543-555

A semiotic approach to quality in specifications of software measuresEessaar, ErkiEnterprise information systems : 10th International Conference, ICEIS 2008 : Barcelona, Spain, June 12-16, 2008 : revised selected papers2009 / p. 73-86 : ill https://link.springer.com/chapter/10.1007/978-3-642-00670-8_6

A set of practices for the development of data-centric information systemsEessaar, ErkiInformation system development : improving enterprise communication2014 / p. 73-84

A SQL database based meta-CASE system and its query subsystemEessaar, Erki; Sgirka, RünnoInnovations in computing sciences and software engineering2010 / p. 57-62 https://link.springer.com/chapter/10.1007/978-90-481-9112-3_10

A UML profile for developing databases that conform to the third ManifestoEessaar, ErkiInnovations in computing sciences and software engineering2010 / p. 69-74 https://ui.adsabs.harvard.edu/abs/2010iics.book...69E/abstract

An ontological analysis of metamodeling languagesEessaar, Erki; Sgirka, RünnoInformation systems development : reflections, challenges and new directions2013 / p. 381-392

Andmebaaside projekteerimineEessaar, Erki2008 http://www.ester.ee/record=b2431333*est

Architecture of pattern management software systemEessaar, ErkiAdvances in Databases and Information Systems : proceedings of the 9th East-European Conference, ADBIS 2005 : Tallinn, September 12-15, 20052005 / p. 189-207 : ill

Automating detection of occurrences of postgreSQL database design problemsEessaar, ErkiDatabases and Information Systems : 14th International Baltic Conference, DB&IS 2020, Tallinn, Estonia, June 16-19, 2020 : Proceedings2020 / p. 176-189 https://doi.org/10.1007/978-3-030-57672-1_14 Conference proceeding at Scopus Article at Scopus

A comparison of the universal and the regular database designEessaar, Erki; Soobik, MarekDatabases and information systems V : selected papers from the Eighth International Baltic Conference, DBAMPIS 20082009 / p. 289-300 : ill

A database-based and web-based meta-CASE systemEessaar, Erki; Sgirka, RünnoAdvanced techniques in computing sciences and software engineering2010 / p. 379-384 https://ui.adsabs.harvard.edu/abs/2010atcs.book..379E/abstract

A data-centric algorithm for identifying use casesEessaar, ErkiSoftware Engineering Perspectives and Application in Intelligent Systems : proceedings of the 5th Computer Science On-line Conference 2016 (CSOC2016), Vol 22016 / p. 303-316 https://doi.org/10.1007/978-3-319-33622-0_28

A decision support method for evaluating database designsEessaar, Erki; Soobik, MarekComputer science and information systems2012 / p. 81-106 : ill

Evaluation of different designs to represent missing information in SQL databasesEessaar, Erki; Saal, ElariInnovations and advances in computer, information, systems sciences, and engineering2013 / p. 173-187

Evaluation of Different Designs to Represent Missing Information in SQL Databases [Electronic resource]Eessaar, Erki; Saal, ElariCISSE 2011 International joint conferences2011 / [6 p. : ill] [CD-ROM] https://link.springer.com/chapter/10.1007/978-1-4614-3535-8_14

Extended principle of orthogonal database designEessaar, ErkiProceedings of the 5th WSEAS International Conference on Artificial Intelligence, Knowledge Engineering and Data Bases : Madrid, Spain, February 15-17, 20062006 / p. 360-365 https://www.researchgate.net/publication/255599595_Extended_Principle_of_Orthogonal_Database_Design

Extending UML profiles to model integrity constraints in SQL databasesEessaar, Erki; Aaberg, ErkoProceedings of the 21th [i. e. 21st] European-Japanese Conference on Information Modelling and Knowledge Bases : EJC2011 : Tallinn, Estonia, June 06-10, 2011. Vol. 12011 / p. 47-65 : ill https://www.researchgate.net/publication/260291830_Extending_UML_Profiles_to_Model_Integrity_Constraints_in_SQL_Databases

Extending UML profiles to model integrity constraints in SQL databasesEessaar, Erki; Aaberg, ErkoInformation modelling and knowledge bases XXIII2012 / p. 39-58 : ill

Guidelines about usage of the complex data types in a databaseEessaar, ErkiWSEAS transactions on information science and applications2006 / 4, p. 712-719

Holistlik süsteemiarendus süsteemmaatriksi abilEessaar, ErkiA & A2005 / 2, lk. 21-39 https://artiklid.elnet.ee/record=b1017792*est

Integrated system analysis environment for the continuous consistency and completeness checkingEessaar, ErkiKnowledge-based Software Engineering : proceedings of the Seventh Joint Conference on Knowledge-based Software Engineering : Tallinn, Estonia, August 28-31, 20062006 / p. 96-105 https://www.researchgate.net/publication/221342709_Integrated_System_Analysis_Environment_for_the_Continuous_Consistency_and_Completeness_Checking

Integrated system analysis environment for the continuous consistency and completeness checkingEessaar, ErkiKnowledge-based software engineering : proceedings of the Seventh Joint Conference on Knowledge-Based Software Engineering2006 / p. 96-105 : ill

Metamodel-based comparison of data modelsEessaar, ErkiAdvances and Innovations in Systems, Computing Sciences and Software Engineering2007 / p. 109-114 https://link.springer.com/chapter/10.1007/978-1-4020-6264-3_21

Methods for searching patterns from the database of patternsEessaar, ErkiCAiSE'04 Forum proceedings : the 16th Conference on Advanced Information Systems Engineering : Riga, Latvia, 7-11 June, 20042004 / p. 103-111

Mustrid ja nende kasutamist abistavad tarkvarasüsteemidEessaar, ErkiA & A2003 / 6, lk. 17-32 : ill https://artiklid.elnet.ee/record=b1014278*est

Mustrite kasutamine infosüsteemide arendamiseksEessaar, ErkiA & A2002 / 3, lk. 28-38

On applying normalized systems theory to the business architectures of information systemsEessaar, ErkiBaltic journal of modern computing2014 / p. 132-149 : ill

On finding model smells based on code smellsEessaar, Erki; Käosaar, EgeSoftware Engineering and Algorithms in Intelligent Systems : Proceedings of 7th Computer Science On-line Conference 2018, Vol. 12019 / p. 269-281 https://doi.org/10.1007/978-3-319-91186-1_28 Conference proceedings at Scopus Article at Scopus Article at WOS

On metamodel-based design of software metricsEessaar, ErkiBalancing agility and formalism in software engineering : second IFTP TC 2 Central and East European Conference on Software Engineering Techniques : CEE-SET 2007 : Poznan, Poland, October 10-12, 2007 : revised selected papers2008 / p. 40-54

On pattern-based database design and implementationEessaar, ErkiProceedings : 6th ACIS International Conference on Software Engineering Research, Management and Applications : SERA 2008 : 20-22 August 2008, Prague, Czech Republic2008 / p. 235-242

On query-based search of possible design flaws of SQL databasesEessaar, ErkiInnovations and advances in computing, informatics, systems sciences, networking and engineering2015 / p. 53-60 http://dx.doi.org/10.1007/978-3-319-06773-5_8

On specification and evaluation of object-relational data modelsEessaar, ErkiWSEAS transactions on computer research2007 / February, p. 163-170

On the design of base tables in the SQL databases of some existing softwareEessaar, ErkiSoftware engineering perspectives in systems : proceedings of 11th Computer Science On-line Conference 2022, Vol. 12022 / p. 309-324 https://doi.org/10.1007/978-3-031-09070-7_26 Conference proceedings at Scopus Article at Scopus Article at WOS

On translation-based design of UML profilesEessaar, ErkiInnovative techniques in instruction technology, e-learning, e-assessment, and education2008 / p. 144-149

On universal database designEessaar, Erki; Soobik, MarekDatabases and information systems : proceedings of the Eighth International Baltic Conference, Baltic DBAMPIS 2008 : Tallinn, June 2-5, 20082008 / p. 349-360

On using a semiotic quality framework to evaluate the quality of conceptual database schemasEessaar, ErkiEmerging trends in computing, informatics, systems sciences, and engineering2013 / p. 103-115

Pattern-based usability analysis : comparison with a case-studyZub, Dmitri; Eessaar, ErkiTechnological developments in education and automation2010 / p. 225-230

Pattern-based usability evaluation of e-learning systemsZub, Dmitri; Eessaar, ErkiInnovative techniques in instruction technology, e-learning, e-assessment, and education2008 / p. 117-122 : ill

Patterns as reusable fragments of knowledgeEessaar, ErkiDatabases and information systems : proceedings of the Fifth International Baltic Conference : Baltic DB & IS 2002 : Tallinn, June 3-6, 2002. Vol. 22002 / p. 243-248

Preserving semantics of the whole-part relationships in the object-relational databasesEessaar, ErkiAdvances in Information Systems development. New Methods and practice for the Networked Society. 22007 / p. 1-11

Preserving semantics of the whole-part relationships in the object-relational databasesEessaar, Erki15th International Conference on Information Systems Development : Budapest, Hungary, 31 August - 2 September 20062006 / ? p https://link.springer.com/chapter/10.1007/978-0-387-70802-7_1

Relational and object-relational database management systems as platforms for managing software engineering artifactsEessaar, Erki2006 https://digi.lib.ttu.ee/i/?85 https://www.ester.ee/record=b2209676*est

Selecting patterns for the evaluation of systemsZub, Dmitri; Eessaar, ErkiTechnological developments in networking, education and automation2010 / p. 77-82 https://link.springer.com/chapter/10.1007/978-90-481-9151-2_14

Specifying business architecture as a step towards achieving normalized systemsEessaar, ErkiDatabases and Information Systems : proceedings of the 11th International Baltic Conference, Baltic DB&IS 2014 : Tallinn, Estonia, 8-11 June, 20142014 / p. 425-432 : ill

SQL or third manifesto compliant object-relational database management systems as the platforms for maintainaning the whole-part relationships in a databaseEessaar, ErkiWSEAS transactions on computers2006 / 10, p. 2440-2447

Tarkvara omaduste parandamine kasutatavuse testimise kauduEessaar, ErkiA & A1999 / 2, lk. 26-31

The database normalization theory and the theory of normalized systems : finding a common groundEessaar, ErkiBaltic journal of modern computing2016 / p. 5-33 : ill

Towards a semiotic quality framework of software measuresEessaar, ErkiICEIS 2008 : proceedings of the Tenth International Conference on Enterprise Information Systems : Barcelona, Spain, June 12-16, 20082008 / p. 41-48

Towards pattern management systemEessaar, ErkiICEIS 2004 : proceedings of the Sixth International Conference on Enterprise Information Systems : Porto, Portugal, April 14-17, 2004. Volume 32004 / p. 655-658

Truly relational databases as a platform for the artifact managementEessaar, ErkiProceedings of the Fourteenth International Conference on Information Systems Development : pre-conference 14-17 August 2005, Karlstad, Sweden2005 / p. 207-218

The usage of declarative integrity constraints in the SQL databases of some existing softwareEessaar, ErkiSoftware Engineering and Algorithms : Proceedings of 10th Computer Science On-line Conference 2021, Vol. 12021 / p. 375–390 https://doi.org/10.1007/978-3-030-77442-4_33 Conference proceedings at Scopus Article at Scopus

Using metamodeling in order to evaluate datamodelsEessaar, ErkiProceedings of the 6th WSEAS International conference on artificial Intelligence, Knowledge Engineering and Data Bases : Corfu Island, Greece, February 16-19, 20072007 / p. 181-186 https://www.researchgate.net/publication/254470284_Using_Metamodeling_in_order_to_Evaluate_Data_Models

Using relational database in the engineering repository systemsEessaar, ErkiProceedings of the Eighth International Conference on Enterprise Information Systems : Paphos, Cyprus, May 23-27, 20062006 / p. 30-37

Using SQL queries to evaluate the design of SQL databasesEessaar, Erki; Voronova, JaninaNew trends in networking, computing, e-learning, systems sciences, and engineering2015 / p. 179-186 http://dx.doi.org/10.1007/978-3-319-06764-3_23

Veebirakenduste disaini modelleerimine UML-i abilEessaar, ErkiA & A2000 / 4, lk. 25-35 : ill https://artiklid.elnet.ee/record=b1004808*est

Veebirakenduste loomine - traditsioonilise tarkvaraarenduse ja loomingulise disaini ühendamineEessaar, ErkiA & A2000 / 3, lk. 27-37 : ill https://artiklid.elnet.ee/record=b1004182*est

Whole-part relationships in the object-relational databasesEessaar, ErkiProceedings of the 10th WSEAS International Conference on Computers : Vouliagmeni, Athens, Greece, July 10-15, 20062006 / p. 1263-1268