Specifying Semantics of Evolution in Object-Oriented Databases Using Partial Deduction. - Hele-Mai Haav (FMLDO, 1992)

A Meta-language for Specification of Evolving Class and Object Lattices in OODB. - Hele-Mai Haav (East/West Database Workshop, 1994)

A Deductive Object-Oriented Approach to Information System Modeling. - Mihhail Matskin; Hele-Mai Haav (ADBIS, 1995)

Discovery of Object-Oriented Schema and Schema Conflicts (Extended Abstract). - Hele-Mai Haav; Mihhail Matskin (ADBIS, 1998)

Inducing Queries from Examples as Concept Formation. - Jørgen Fischer Nilsson; Hele-Mai Haav (EJC, 1998)

Virtual University as a Web-based Information System. - Hele-Mai Haav (ADBIS (Short Papers), 1999)

A Semi-automatic Method to Ontology Design by Using FCA. - Hele-Mai Haav (CLA, 2004)

An Ontology Learning and Reasoning Framework. - Hele-Mai Haav (EJC, 2005)

Using a Rule Language for Capturing Semantics in Web-Based Systems. - Tanel Tammet; Hele-Mai Haav; Vello Kadarpik; Marko Kääramees (DB&IS, 2006)

Making Web Users' Domain Models Explicit by Applying Ontologies. - Tarmo Robal; Hele-Mai Haav; Ahto Kalja (ER Workshops, 2007)

Ensuring Large-Scale Semantic Interoperability: The Estonian Public Sector's Case Study. - Hele-Mai Haav; Ahto Kalja; Peep Küngas; Martin Luts (DB&IS, 2008)

Ontology-Based Retrieval of Spatially Related Objects for Location Based Services. - Hele-Mai Haav; Aivi Kaljuvee; Martin Luts; Toivo Vajakas (OTM Conferences (2), 2009)

Ontology-driven Development of Personalized Location Based Services. - Hele-Mai Haav; Aivi Kaljuvee; Martin Luts; Toivo Vajakas (DB&IS, 2010)

A Practical Methodology for Development of a Network of e-Government Domain Ontologies. - Hele-Mai Haav (I3E, 2011)

A Semantic Method of Automatic Composition of E-Government Services. - Riina Maigre; Pavel Grigorenko; Hele-Mai Haav; Ahto Kalja (DB&IS, 2012)

Linked Data Connections with Emerging Information Technologies: A Survey. - Hele-Mai Haav (Int. J. Comput. Sci. Appl., 2014)

Semi-automated Generation of DSL Meta Models from Formal Domain Ontologies. - Andres Ojamaa; Hele-Mai Haav; Jaan Penjam (MEDI, 2015)

Ontology-Based Integration of Software Artefacts for DSL Development. - Hele-Mai Haav; Andres Ojamaa; Pavel Grigorenko; Vahur Kotkas (OTM Workshops, 2015)

Ontology-Based Customization of a Scheduling System for Discrete Manufacturing. - Jelena Sanko; Hele-Mai Haav; Vahur Kotkas (DB&IS (Selected Papers), 2016)

Semi-automated integration of domain ontologies to DSL meta-models. - Hele-Mai Haav; Andres Ojamaa (Int. J. Intell. Inf. Database Syst., 2017)

Domain Ontology for Expressing Knowledge of Variants of Thermally Modified Wood Products. - Hele-Mai Haav; Riina Maigre (DB&IS, 2018)

A Semantic Model for Product Configuration in Timber Industry. - Hele-Mai Haav; Riina Maigre (DB&IS (Selected Papers), 2018)

A Comparative Study of Approaches of Ontology Driven Software Development. - Hele-Mai Haav (Informatica, 2018)

A Method of Comparative Spatial Analysis of a Digitized (LiDAR) Point Cloud and the Corresponding GIS Database. - Riina Maigre; Hele-Mai Haav; Rauni Lillemets; Kalev Julge; Gaspar Anton (DB&IS, 2020)

Using Machine Learning for Automated Assessment of Misclassification of Goods for Fraud Detection. - Margarita Spichakova; Hele-Mai Haav (DB&IS, 2020)

Application of Machine Learning for Assessment of HS Code Correctness. - Margarita Spichakova; Hele-Mai Haav (Balt. J. Mod. Comput., 2020)