Contributing to a digital single market for Europe: barriers and drivers of an EU-wide once-only principleKalvet, Tarmo; Toots, Maarja; Krimmer, Robert Johannesdg.o 18 : Proceedings of the 19th Annual International Conference on Digital Government Research : Governance in the Data Age : Delft, Netherlands, May 30-June 01, 20182018 / Article No. 45, 8 p https://doi.org/10.1145/3209281.3209344 Conference proceedings at Scopus Article at Scopus Article at WOS

Cross-border e-government services in Europe: expected benefits, barriers and drivers of the once-only principleKalvet, Tarmo; Toots, Maarja; Veenstra, Anne Fleur van; Krimmer, Robert JohannesICEGOV2018 : proceedings of the 11th International Conference on Theory and Practice of Electronic Governance : 4 - 6 April 2018, Galway, Ireland2018 / p. 59-68 https://doi.org/10.1145/3209415.3209458 Conference proceedings at Scopus Article at Scopus Article at WOS

Das Projekt TOOP : Bürokratieabbau und Verwaltungsvereinfachung mittels des "Once-Only" Prinzips für UnternehmenKrimmer, Robert Johannes; Kalvet, Tarmo; Toots, Maarja; Cepilovs, AleksandrsTrends und Communities der Rechtsinformatik = Trends and Communities of Legal Informatics : Tagungsband des 20 Internationalen Rechtsinformatik Symposions IRIS 20172017 / S. 261-263

Das Projekt TOOP : Bürokratieabbau und Verwaltungsvereinfachung mittels des "Once-Only" Prinzips für Unternehmen [Online Ausgabe]Krimmer, Robert Johannes; Kalvet, Tarmo; Toots, Maarja; Cepilovs, AleksandrsJusletter IT2017 / [2] S. : Ill https://jusletter-it.weblaw.ch/issues/2017/IRIS.html

Data Management Plan. OpenGovIntelligence Deliverable 6.1 [Online resource]Alcorn, Trevor; Čižas, Ramunas; Chaniotaki, Eleni; Krimmer, Robert Johannes; Toots, Maarja2016 http://www.opengovintelligence.eu/downloads/deliverables/OGI_D6.1_Data_Management_Plan_v1.0.pdf

Drivers and Barriers for OOP (1st version) : The Once-Only Principle Project [Online resource]Kalvet, Tarmo; Toots, Maarja; Krimmer, Robert Johannes2017 http://toop.eu/sites/default/files/D27_Drivers_and_Barriers.pdf

Ethics Policy (Update 1 - M6). OpenGovIntelligence Deliverable 6.5 [Online resource]Kalampokis, Evangelos; Matheus, Ricardo; Krimmer, Robert Johannes; Toots, Maarja2016 http://www.opengovintelligence.eu/downloads/deliverables/OGI_D6.5%20Ethics_Policy_v2.0.pdf

Exploring and demonstrating the once-only principle : a European perspectiveKrimmer, Robert Johannes; Kalvet, Tarmo; Toots, Maarja; Cepilovs, Aleksandrs; Tambouris, Efthimiosdg.o 2017 : the proceedings of the 18th Annual International Conference on Digital Government Research : Innovations and Transformations in Government : June 7-9, 2017, Staten Island, NY, USA2017 / p. 546-551 : ill https://doi.org/10.1145/3085228.3085235

A framework for data-driven public service co-productionToots, Maarja; McBride, Keegan David Braun; Kalvet, Tarmo; Krimmer, Robert JohannesElectronic Government : 16th IFIP WG 8.5 International Conference : EGOV 2017, St. Petersburg, Russia, September 4-7, 2017 : proceedings2017 / p. 264-275 : ill https://doi.org/10.1007/978-3-319-64677-0_22

How does open government data driven co-creation occur? Six factors and a ‘perfect storm’; insights from Chicago's food inspection forecasting modelMcBride, Keegan David Braun; Aavik, Gerli; Toots, Maarja; Kalvet, Tarmo; Krimmer, Robert JohannesGovernment information quarterly2019 / 10 p. : ill https://doi.org/10.1016/j.giq.2018.11.006 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

ICT-driven co-creation in the public sector : drivers, barriers and success strategies [Online resource]Toots, MaarjaElectronic Government and Electronic Participation : joint proceedings of ongoing research, PhD papers, posters and workshops of IFIP EGOV and ePart 20162016 / p. 368-375 http://dx.doi.org/10.3233/978-1-61499-670-5-368

Identification of two highly antigenic epitope markers predicting multiple sclerosis in optic neuritis patientsSadam, Helle; Pihlak, Arno; Jaago, Mariliis; Pupina, Nadežda; Rähni, Annika; Toots, Maarja; Vaheri, Antti; Nieminen, Janne K.; Siuko, Mika; Tienari, Pentti J.; Palm, KaiaEBioMedicine2021 / art. 103211, 8 p https://doi.org/10.1016/j.ebiom.2021.103211 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Leader in e-Government, laggard in open data: exploring the case of EstoniaMcBride, Keegan David Braun; Toots, Maarja; Kalvet, Tarmo; Krimmer, Robert JohannesRevue française d'administration publique2018 / p. 613-625 https://doi.org/10.3917/rfap.167.0613 Eesti avaandmete tuluallikaks muutmist aeglustab eduka e-riigi pärand Journal metrics at Scopus Article at Scopus

Open data as enabler of public service co-creation : exploring the drivers and barriersToots, Maarja; McBride, Keegan David Braun; Kalvet, Tarmo; Krimmer, Robert JohannesProceedings of the 7th International Conference for E-Democracy and Open Government CeDEM17 : Danube University Krems, Krems, Austria, 17-19 May 20172017 / p. 102-112 : tab https://doi.org/10.1109/CeDEM.2017.12

Open government data driven co-creation : moving towards citizen-government collaborationMcBride, Keegan David Braun; Toots, Maarja; Kalvet, Tarmo; Krimmer, Robert JohannesElectronic Government : 17th IFIP WG 8.5 International Conference : EGOV 2018, Krems, Austria, September 3–5, 2018 : proceedings2018 / p. 184-195 : ill https://doi.org/10.1007/978-3-319-98690-6_16 Conference Proceedings at Scopus Article at Scopus Conference Proceedings at WOS Article at WOS

OpenGovIntelligence challenges and needs. OpenGovIntelligence Deliverable 1.1 [Online resource]Janssen, Marijn; Kalvet, Tarmo; Krimmer, Robert Johannes; Toots, Maarja; Zeginis, Dimitris2016 http://www.opengovintelligence.eu/downloads/deliverables/OGI_D1.1_OpenGovIntelligence%20challenges%20and%20needs_v1.0.pdf

OpenGovIntelligence framework - first release. OpenGovIntelligence Deliverable 2.1 [Online resource]Kalampokis, Evangelos; Tarabanis, Konstantinos2016 http://www.opengovintelligence.eu/downloads/deliverables/OGI_D2.1%20OpenGovIntelligence%20framework%201st%20release_v0.1.pdf

Position paper on definition of OOP and situation in Europe : The Once-Only Principle Project [Online resource]Krimmer, Robert Johannes; Kalvet, Tarmo; Toots, Maarja; Cepilovs, Aleksandrs2017 http://toop.eu/sites/default/files/D2.6_Position_Paper_OOP.pdf

Reaalajamajanduse alused ja rakendusvõimalused : uuringu lõpparuanne [Võrguväljanne]Krimmer, Robert Johannes; Kadak, Tarmo; Alishani, Art; Toots, Maarja; Soe, Ralf-Martin; Schmidt, Carsten2019 https://www.mkm.ee/sites/default/files/taltech_rte_lopparuanne_ee.pdf

Real-time economy : Definitions and implementation opportunities : Final research report [Online resource]Krimmer, Robert Johannes; Kadak, Tarmo; Alishani, Art; Toots, Maarja; Soe, Ralf-Martin; Schmidt, Carsten2019 https://www.mkm.ee/sites/default/files/taltech_rte_final_report_en1.0.pdf

The role of linked open statistical data in public service co-creationMcBride, Keegan David Braun; Matheus, Ricardo; Toots, Maarja; Kalvet, Tarmo; Krimmer, Robert JohannesICEGOV2018 : proceedings of the 11th International Conference on Theory and Practice of Electronic Governance : 4 - 6 April 2018, Galway, Ireland2018 / p. 679-681 https://doi.org/10.1145/3209415.3209446 Conference proceedings at Scopus Article at Scopus Article at WOS

Success in eVoting - success in eDemocracy? The Estonian paradoxToots, Maarja; Kalvet, Tarmo; Krimmer, Robert JohannesElectronic Participation : 8th IFIP WG 8.5 International Conference, ePart 2016, Guimaraes, Portugal, September 5-8, 2016 : proceedings2016 / p. 55-66 : ill http://dx.doi.org/10.1007/978-3-319-45074-2_5

Why do e-participation projects fail? : the case of Estonia’s Osale.ee [Online resource]Toots, MaarjaProceedings of the 3rd Interdisciplinary Cyber Research Workshop 2017 : 8th of July 20172017 / p. 47-49 https://www.ttu.ee/public/k/kyberkriminalistika_ja_kyberjulgeoleku_keskus/crw2017_final.pdf

Why E-participation systems fail : The case of Estonia's Osale.eeToots, MaarjaGovernment information quarterly2019 / p. 546-559 : ill https://doi.org/10.1016/j.giq.2019.02.002 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS