Challenges and implications of the WHO’s digital cross-border COVID-19 vaccine passport recognition pilotJackson, Eric B.; Dreyling, Richard; Pappel, Ingrid2021 Eighth International Conference on eDemocracy and eGovernment (ICEDEG) :  Quito, Ecuador, 28-30 July 20212021 / p. 88-94

Combined model of smart cities and electronic paymentsSoe, Ralf-Martin; Mikheeva, OlgaProceedings of the 7th International Conference for E-Democracy and Open Government CeDEM17 : Danube University Krems, Krems, Austria, 17-19 May 20172017 / p. 194-205 : ill https://doi.org/10.1109/CeDEM.2017.11

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

Digital records keeping to information governance in Estonian local governmentsPappel, Ingrid; Pappel, Ingmar; Saarmann, MonikaInternational Conference on Information Society (i-Society 2012)2012 / p. 199-204 : ill https://ieeexplore.ieee.org/document/6285076

Drivers for and barriers to the cross-border implementation of the once-only principleLeosk, Nele; Põder, Ille; Schmidt, Carsten; Kalvet, Tarmo; Krimmer, Robert JohannesThe once-only principle : The TOOP project2021 / p. 38–60 https://doi.org/10.1007/978-3-030-79851-2_3 Collection metrics at Scopus Article at Scopus Collection metrics at WOS Article at WOS

ETSI SmartBAN architecture: The global vision for smart body area networksHamalainen, Matti; Mucchi, Lorenzo; Girod-Genet, Marc; Paso, Tuomas; Farserotu, John; Tanaka, Hirokazu; Anzai, Daisuke; Pierucci, Laura; Khan, Rida; Alam, Muhammad MahtabIEEE Access2020 / art. 9167215, p. 150611-150625 https://doi.org/10.1109/ACCESS.2020.3016705 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Evaluating business meta-models for semantic interoperability with FHIR resourcesRandmaa, Rainer; Bossenko, Igor; Klementi, Toomas; Piho, Gunnar; Ross, PeeterHEDA 2022 : Proceedings of the International Health Data Workshop, co-located with 10th International Conference on Petrinets, Petri Nets 20222022 / p. 1-14 https://ceur-ws.org/Vol-3264/HEDA22_paper_5.pdf Conference proceedings at Scopus Article at Scopus

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

Exploring e-services development in local government authorities by means of electronic document management systemsPappel, Ingrid; Tsap, Valentyna; Pappel, Ingmar; Draheim, DirkElectronic Governance and Open Society : Challenges in Eurasia 5th International Conference, EGOSE 2018, St. Petersburg, Russia, November 14–16, 2018 : Revised Selected Papers2019 / p. 223-234 . ill https://doi.org/10.1007/978-3-030-13283-5_17 Conference proceedings at Scopus Article at Scopus Article at WOS

FINEST Twins : platform for cross-border smart city solutionsSoe, Ralf-Martindg.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. 352-357 : ill https://doi.org/10.1145/3085228.3085287

Forward and backward compatibility design techniques applying the HL7 FHIR standardBossenko, Igor; Piho, Gunnar; Ross, PeeterHEDA 2022 : Proceedings of the International Health Data Workshop, co-located with 10th International Conference on Petrinets, Petri Nets 20222022 / p. 1-14 https://ceur-ws.org/Vol-3264/HEDA22_paper_14.pdf Conference proceedings at Scopus Article at Scopus

A framework for the adoption of blockchain-based e-procurement systems in the public sector : A case study of NigeriaAkaba, Temofe Isaac; Norta, Alexander; Udokwu, Chibuzor; Draheim, DirkResponsible Design, Implementation and Use of Information and Communication Technology : 19th IFIP WG 6.11 Conference on e-Business, e-Services, and e-Society, I3E 2020, Skukuza, South Africa, April 6–8, 2020 : Proceedings, Part I2020 https://doi.org/10.1007/978-3-030-44999-5_1 Conference Proceedings at Scopus Article at Scopus

A historical analysis on interoperability in Estonian data exchange architecture : perspectives from the past and for the futureJackson, Eric Blake; Dreyling, Richard; Pappel, IngridICEGOV '21: Proceedings of the 14th International Conference on Theory and Practice of Electronic Governance2021 / p. 111 - 116 https://doi.org/10.1145/3494193.3494209 Conference Proceedings at Scopus Article at Scopus Article at WOS

Implementation of service-based e-government and establishment of state IT components interoperability at local authoritiesPappel, Ingrid; Pappel, Ingmar2011 3rd International Conference on Advanced Computer Control (ICACC 2011) : Harbin, China, 18-20.01.20112011 / p. 371-378 https://ieeexplore.ieee.org/document/6016434

International information security: Problems and ways of solving themKrutskikh, Andrei V.; Streltsov, Anatoli A.; Tikk, EnekenRoutledge handbook of international cybersecurity2020 / p. 260-268 https://doi.org/10.4324/9781351038904-26 https://www.ester.ee/record=b5308475*est

Interoperability between different interest groups practice portal case studyLemmik, Rivo; Karjust, KristoProceedings of the 8th International Conference of DAAAM Baltic Industrial Engineering, 19-21st April 2012, Tallinn, Estonia. 12012 / p. 169-174 : ill

Migration from HL7 CDA to FHIR in infectious disease system of EstoniaBossenko, Igor; Linna, Kerli; Piho, Gunnar; Ross, PeeterStudies in Health Technology and Informatics ; 2992022 / p. 275-278 https://doi.org/10.3233/SHTI220998 Journal metrics at Scopus Article at Scopus Article at WOS

(Non)negotiable spaces of algorithmic governance : perceptions on the Ubenwa health app as a ‘relocated’ solutionMasso, Anu; Chukwu, Martha; Calzati, StefanoNew media & society2022 / p. 845−865 https://doi.org/10.1177/14614448221079027 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Once only principle : benefits, barriers and next stepsWimmer, Maria A.; Tambouris, Efthimios; Krimmer, Robert Johannes; Gil-Garcia, J. Ramon; Chatfield, Akemi Takeokadg.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. 602-603 : ill http://dx.doi.org/10.1145/3085228.3085296

Prerequisites for the adoption of the X - Road Interoperability and data exchange framework : a comparative studySaputro, Rois; Pappel, Ingrid; Vainsalu, Heiko; Lips, Silvia; Draheim, Dirk2020 Seventh International Conference on eDemocracy & eGovernment (ICEDEG), Buenos Aires, Argentina, April 22–24, 2020 : proceedings2020 / p. 216-222 https://doi.org/10.1109/ICEDEG48599.2020.9096704

Smart twin cities via urban operating systemSoe, Ralf-MartinICEGOV '17 : proceedings of the 10th International Conference on Theory and Practice of Electronic Governance : New Delhi AA, India, March 7-9, 20172017 / p. 391-400 : ill http://dx.doi.org/10.1145/3047273.3047322

The technical challenges in OOP application across the European Union and the TOOP OOP architectureTepandi, Jaak; Rotuna, Carmen; Sellitto, Giovanni Paolo; Fieten, Sander; Prentza, AndrianaThe once-only principle : The TOOP project2021 / p. 141−163 https://doi.org/10.1007/978-3-030-79851-2_8 Collection metrics at Scopus Article at Scopus Collection metrics at WOS Article at WOS

Wearable wireless sensor networks for emergency response in public safety networksAlam, Muhammad Mahtab; Ben Arbia, Dhafer; Ben Hamida, ElyesWireless public safety networks 2 : a systematic approach2016 / p. 63-94 : ill https://doi.org/10.1016/B978-1-78548-052-2.50003-7