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 Conference Proceedings at Scopus Article at Scopus Article at WOS

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 https://doi.org/10.1007/978-1-4614-3535-8_14 Conference Proceedings at Scopus Article at Scopus

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 https://www.researchgate.net/publication/260291830_Extending_UML_Profiles_to_Model_Integrity_Constraints_in_SQL_Databases

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 https://www.researchgate.net/publication/221342709_Integrated_System_Analysis_Environment_for_the_Continuous_Consistency_and_Completeness_Checking

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 https://link.springer.com/chapter/10.1007/978-3-540-85279-7_4

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 https://www.researchgate.net/publication/4370312_On_Pattern-Based_Database_Design_and_Implementation

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 https://doi.org/10.1007/978-3-319-06773-5_8 Article collection metrics at Scopus Article at Scopus

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 the naming of database objects in the SQL databases of some existing softwareEessaar, ErkiSoftware engineering research in system science : proceedings of 12th Computer Science On-line Conference 20232023 / p. 534 - 550 https://doi.org/10.1007/978-3-031-35311-6_51 Conference Proceedings at Scopus Article at Scopus

On translation-based design of UML profilesEessaar, ErkiInnovative techniques in instruction technology, e-learning, e-assessment, and education2008 / p. 144-149 https://www.semanticscholar.org/paper/On-Translation-Based-Design-of-UML-Profiles-Eessaar/0c73b384c4b0babc2227388496dfc371dd5a153f

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 https://doi.org/10.1007/978-1-4614-3558-7_9 Conference Proceedings at Scopus Article at Scopus

Pattern-based usability analysis : comparison with a case-studyZub, Dmitri; Eessaar, ErkiTechnological developments in education and automation2010 / p. 225-230 https://link.springer.com/chapter/10.1007/978-90-481-3656-8_42

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 https://link.springer.com/chapter/10.1007/978-1-4020-8739-4_21

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

A quality model of metamodeling systemsSgirka, Rünno; Eessaar, ErkiEmerging trends in computing, informatics, systems sciences, and engineering2013 / p. 543-555 https://doi.org/10.1007/978-1-4614-3558-7_46 Conference Proceedings at Scopus Article at Scopus

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 https://www.semanticscholar.org/paper/Towards-a-Semiotic-Quality-Framework-of-Software-Eessaar/a11a095f7c93450d5656eeae0c55a6a2023dfb29

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 https://www.researchgate.net/publication/220711582_Towards_Pattern_Management_System

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 https://www.researchgate.net/publication/220710991_Using_Relational_Databases_in_the_Engineering_Repository_Systems

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 https://doi.org/10.1007/978-3-319-06764-3_23 Article collection metrics at Scopus Article at Scopus

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