A meta-language for specification of evolving class and object lattices in object-oriented databasesHaav, Hele-MaiPreprint of Proceedings of the Second International East-West Database Workshop, Klagenfurt, Austria, 19941994 / p. 213-224

A rule-based approach to Web-based application developmentTammet, Tanel; Haav, Hele-Mai; Kadarpik, Vello; Kääramees, Marko2006 Seventh International Baltic Conference on Databases and Information Systems : Vilnius, Lithuania, 3-6 July 2006 : proceedings2006 / p. 202-208

A semantic method of automatic composition of e-government servicesMaigre, Riina; Grigorenko, Pavel; Haav, Hele-Mai; Kalja, AhtoDatabases and information systems : tenth international Baltic conference on databases and information systems : local proceedings, materials of doctoral consortium : Vilnius, Lithuania, July 8-11, 20122012 / p. 182

A semantic-based web service composition frameworkHaav, Hele-Mai; Tammet, Tanel; Kadarpik, Vello; Kindel, Kristiina; Kääramees, MarkoAdvances in information systems development : new methods and practice for the networked society. Volume 12007 / p. 379-391 https://link.springer.com/chapter/10.1007/978-0-387-70761-7_33

Advances in Databases and Information Systems : 9th East European Conference, ADBIS 2005 : Tallinn, Estonia, September 12-15, 2005 : proceedings2005 http://www.ester.ee/record=b2068140*est

Advances in Databases and Information Systems : proceedings of the 9th East-European Conference, ADBIS 2005 : Tallinn, September 12-15, 20052005 https://www.ester.ee/record=b2068111*est

An ontology learning and reasoning frameworkHaav, Hele-MaiEJC2005 : proceedings of the 15th European-Japanese Conference on Information Modelling and Knowledge Bases : May 16-19, 2005, Tallinn2005 / p. 198-205 : ill

An ontology learning and reasoning frameworkHaav, Hele-MaiInformation modelling and knowledge bases XVII2006 / p. 302-309 : ill

Application of machine learning for assessment of HS code correctnessSpitšakova, Margarita; Haav, Hele-MaiBaltic journal of modern computing2020 / p. 698-718 https://doi.org/10.22364/bjmc.2020.8.4.13 Journal Metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Baltic DB&IS 2020 Conference Forum and Doctoral Consortium co-located with the 14th International Baltic Conference on Databases and Information Systems (BalticDB&IS 2020) Tallinn, Estonia, June 16-19, 2020 : proceedings2020 http://ceur-ws.org/Vol-2620/xpreface.pdf http://ceur-ws.org/Vol-2620/

Baltic Journal of Modern Computing. Selected Papers
from the
14th International Baltic Conference on
Databases and
Information Systems2020 https://www.bjmc.lu.lv/fileadmin/user_upload/lu_portal/projekti/bjmc/Contents/8_4_07a_DB_IS.pdf

A comparative study of approaches of ontology driven software developmentHaav, Hele-MaiInformatica2018 / p. 439–466 : ill https://doi.org/10.15388/Informatica.2018.175 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Databases and information systemsHaav, Hele-Mai; Kalja, Ahto2002 https://www.ester.ee/record=b1724800*est

Databases and Information Systems : 14th International Baltic Conference, DB&IS 2020, Tallinn, Estonia, June 16-19, 2020 : Proceedings2020 https://doi.org/10.1007/978-3-030-57672-1

Databases and Information Systems : proceedings of the 11th International Baltic Conference, Baltic DB&IS 2014 : Tallinn, Estonia, 8-11 June, 20142014 http://www.ester.ee/record=b3088507*est

Databases and information systems : proceedings of the Eighth International Baltic Conference, Baltic DBAMPIS 2008 : Tallinn, June 2-5, 20082008 http://www.ester.ee/record=b2374996*est

Databases and information systems : proceedings of the Fifth International Baltic Conference : Baltic DB & IS 2002 : Tallinn, June 3-6, 20022002 http://www.ester.ee/record=b1641978*est

Databases and information systems : proceedings of the Fifth International Baltic Conference : Baltic DB & IS 2002 : Tallinn, June 3-6, 20022002 https://www.ester.ee/record=b1641985*est

Databases and information systems V : selected papers from the Eighth International Baltic Conference, DBAMPIS 2008Haav, Hele-Mai; Kalja, Ahto2009

Databases and information systems VIII : selected papers from the Eleventh International Baltic Conference, DB&IS 20142014 https://www.ester.ee/record=b4447206*est

Databases for systems with structural synthesis of programsHaav, Hele-Mai; Kalja, AhtoProc. of the Baltic Workshop on National Infrastructure Databases : problems, methods, experiences1994 / p. 185-196

Domain ontology for expressing knowledge of variants of thermally modified wood productsMaigre, Riina; Haav, Hele-MaiDatabases and Information Systems : 13th International Baltic Conference, DB&IS 2018, Trakai, Lithuania, July 1-4, 2018 : proceedings2018 / p. 161-171 https://doi.org/10.1007/978-3-319-97571-9_14 Conference proceedings at Scopus Article at Scopus

Ensuring large-scale semantic interoperability : the Estonian public sector's case studyHaav, Hele-Mai; Kalja, Ahto; Küngas, Peep; Luts, MartinDatabases and information systems V : selected papers from the Eighth International Baltic Conference, DBAMPIS 20082009 / p. 117-128 : ill

In memoriam : Prof. Ahto Kalja : 24.05.1950 - 22.10.2018Bubenko, Janis; Solvberg, Arne; Arnicans, Guntis; Borzovs, Juris; Čaplinskas, Albertas; Grundspeņķis, Janis; Haav, Hele-Mai; Kirikova, Marite; Lupeikiene, Audrone; Matulevičius, Raimundas; Robal, Tarmo; Vasilecas, Olegas; Lupeikiene, AudroneDatabases and information systems X : selected papers from the thirteenth International Baltic Conference, DB&IS 20182019 / p. v−vi : phot https://www.ester.ee/record=b5203991*est http://ebooks.iospress.nl/volume/databases-and-information-systems-x-selected-papers-from-the-thirteenth-international-baltic-conference-dbis-2018

Läti keelel on teadustöös suurem roll kui eesti keelelHaav, Hele-Mai; Kalja, Ahto; Nõges, KrõõtMente et Manu2014 / lk. 16-17 : fot

Making web users' domain models explicit by applying ontologiesRobal, Tarmo; Haav, Hele-Mai; Kalja, AhtoAdvances in Conceptual Modeling - Foundations and Applications : ER 2007 Workshops CMLSA, FP-UML, ONISW, QoIS, RIGiM, SeCoGIS : Auckland, New Zealand, November 5-9, 2007 : proceedings2007 / p. 170-179 https://link.springer.com/content/pdf/10.1007/978-3-540-76292-8_20.pdf

A method of comparative spatial analysis of a digitized (LiDAR) point cloud and the corresponding GIS databaseMaigre, Riina; Haav, Hele-Mai; Lillemets, Rauni; Julge, Kalev; Anton, GasparDatabases and Information Systems : 14th International Baltic Conference, DB&IS 2020, Tallinn, Estonia, June 16-19, 2020 : Proceedings2020 / p. 219-232 : ill https://doi.org/10.1007/978-3-030-57672-1_17 Conference proceeding at Scopus Article at Scopus

Ontologies and semantic annotation of X-road servicesHaav, Hele-MaiEstonian information society yearbook 2011/20122012 / p. 81-83

Ontology-based customization of a scheduling system for discrete manufacturingSanko, Jelena; Haav, Hele-Mai; Kotkas, VahurDatabases and information systems IX : selected papers from the twelfth International Baltic Conference, DB&IS 20162016 / p. 57-70 : ill http://dx.doi.org/10.3233/978-1-61499-714-6-57

Ontology-based development of location based servicesHaav, Hele-Mai; Kaljuvee, Aivi; Luts, Martin; Vajakas, ToivoDatabases and Information Systems : proceedings of the Ninth International Baltic Conference, Baltic DB&IS 2010 : Riga, Latvia, July 5-7, 20102010 / p. 11-26 : ill

Ontology-based retrieval of spatially related objects for location based servicesHaav, Hele-Mai; Kaljuvee, Aivi; Luts, Martin; Vajakas, ToivoOn the Move to Meaningful Internet Systems : OTM 2009 : Confederated International Conferences CoopIS, DOA, IS and ODBASE 2009 : Vilamoura, Portugal, November 1-6, 2009 : proceedings. Part II2009 / p. 1010-1024

Ontology-driven development of personalized location based servicesHaav, Hele-Mai; Kaljuvee, Aivi; Luts, Martin; Vajakas, ToivoDatabases and Information Systems VI : selected papers from the Ninth International Baltic Conference : DB&IS 20102011 / p. 3-18

Ontoloogia mõistest arvutiteaduses ja tarkvaratehnikasHaav, Hele-MaiA & A2008 / 6, lk. 8-18

Ontoloogiad ja X-tee teenuste semantiline kirjeldamineHaav, Hele-MaiEesti infoühiskonna aastaraamat 2011/20122012 / lk. 81-83

PrefaceHaav, Hele-Mai; Kalja, Ahto; Robal, TarmoDatabases and information systems VIII : selected papers from the Eleventh International Baltic Conference, DB&IS 20142014 / p. v

PrefaceRobal, Tarmo; Haav, Hele-Mai; Penjam, Jaan; Matulevičius, RaimundasDatabases and Information Systems : 14th International Baltic Conference, DB&IS 2020, Tallinn, Estonia, June 16-19, 2020 : Proceedings2020 / p. v-vi https://doi.org/10.1007/978-3-030-57672-1 Conference proceeding at Scopus Article at Scopus

Proc. of the Baltic Workshop on National Infrastructure Databases : problems, methods, experiencesBubenko, J.A.; Caplinskas, A.; Grundspenkis, J.; Haav, Hele-Mai; Solvberg, A.1994

A semantic model for product configuration in timber industryHaav, Hele-Mai; Maigre, RiinaDatabases and information systems X : selected papers from the thirteenth International Baltic Conference, DB&IS 20182019 / p. 143-158 https://doi.org/10.3233/978-1-61499-941-6-143 https://www.ester.ee/record=b5203991*est Conference proceedings at Scopus Article at Scopus Article at WOS

Semantilise koosvõime arhitektuur riigi infosüsteemisHaav, Hele-Mai; Kalja, Ahto; Küngas, Peep; Luts, MartinA & A2008 / lk. 32-42 : ill https://artiklid.elnet.ee/record=b1022736*est

Semi-automated integration of domain ontologies to DSL meta-modelsHaav, Hele-Mai; Ojamaa, AndresInternational journal of intelligent information and database systems2017 / p. 94-116 :ill https://doi.org/10.1504/IJIIDS.2017.086198

The Estonian semantic interoperability initiative in public sectorLuts, Martin; Haav, Hele-Mai; Küngas, Peep; Vallner, Uuno; Kalja, Ahto; Arula, KalleDatabases and information systems : proceedings of the Eighth International Baltic Conference, Baltic DBAMPIS 2008 : Tallinn, June 2-5, 20082008 / p. 103-113

Towards evolving class and object lattices (in OODB)Haav, Hele-MaiInformation Modelling and Knowledge Bases VI1995 / p. 413-426 : ill

Using a rule language for capturing semantics in web-based systemsTammet, Tanel; Haav, Hele-Mai; Kadarpik, Vello; Kääramees, MarkoDatabases and Information Systems IV : selected papers from the Seventh International Conference DBAMPIS'20062007 / p. 249-259

Using machine learning for automated assessment of misclassification of goods for fraud detectionSpitšakova, Margarita; Haav, Hele-MaiDatabases and Information Systems : 14th International Baltic Conference, DB&IS 2020, Tallinn, Estonia, June 16-19, 2020 : Proceedings2020 / p. 144-158 https://doi.org/10.1007/978-3-030-57672-1_12 Conference proceeding at Scopus Article at Scopus

Virtuaalülikool - reaalsus EestisHaav, Hele-MaiA & A1998 / 6, lk. 15-21: ill

Представление моделей данных вычислительными фреймамиTõugu, Enn; Haav, Hele-MaiМатериалы III всесоюзной конференции "Банки данных", г. Таллин, 24-26 сентября 1985 г1985 / с. 69-85 : ил https://www.ester.ee/record=b1253873*est

Реализация функциональных моделей баз данных : автореферат ... кандидата технических наук (05.13.11)Haav, Hele-Mai1989 https://www.ester.ee/record=b1225612*est

Реализация функциональных моделей баз данных : диссертация на соискание ученой степени кандитата технических наукHaav, Hele-Mai1989 https://www.ester.ee/record=b4636199*est