• Analyzing eID public acceptance and user preferences for current authentication options in EstoniaTsap, Valentyna; Lips, Silvia; Draheim, DirkElectronic Government and the Information Systems Perspective : 9th International Conference, EGOVIS 2020, Bratislava, Slovakia, September 14-17, 2020 : proceedings2020 / p. 159-173 https://doi.org/10.1007/978-3-030-58957-8_12 https://www.scopus.com/sourceid/25674 https://www.scopus.com/record/display.uri?eid=2-s2.0-85091333121&origin=inward&txGid=3cae110d80b24457caeea87d0278d6c5 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=LECT%20NOTES%20ARTIF%20INT&year=2005 https://www.webofscience.com/wos/woscc/full-record/WOS:000769447500012
• Aspects of personal data protection from state and citizen perspectives - case of GeorgiaTsulukidze, Mariam; Nyman-Metcalf, Katrin Merike; Tsap, Valentyna; Pappel, Ingrid; Draheim, DirkDigital Transformation for a Sustainable Society in the 21st Century 18th IFIP WG 6.11 : Conference on e-Business, e-Services, and e-Society, I3E 2019 Trondheim, Norway, September 18–20, 2019 : proceedings2019 / p. 476-488 https://doi.org/10.1007/978-3-030-29374-1_39 https://www.scopus.com/sourceid/25674 https://www.scopus.com/record/display.uri?eid=2-s2.0-85072886866&origin=inward&txGid=42399245e1b8a5195eb8117db459d944 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=LECT%20NOTES%20ARTIF%20INT&year=2005 https://www.webofscience.com/wos/woscc/full-record/WOS:000611600800039
• Designing effective Chatbot solutions for the public sector: A case study from UkrainePetriv, Yulia; Erlenheim, Regina; Tsap, Valentyna; Pappel, Ingrid; Draheim, DirkElectronic Governance and Open Society: Challenges in Eurasia : 6th International Conference, EGOSE 2019, St.Petersburg, Russia, November 13-14, 2019 : Proceedings2020 / p. 320-335 https://doi.org/10.1007/978-3-030-39296-3_24 https://www.scopus.com/sourceid/17700155007 https://www.scopus.com/record/display.uri?eid=2-s2.0-85082548532&origin=inward&txGid=51b12ef4096b14348ec290f60eaa3f07
• eID public acceptance : success factors, citizen perception, and impact of electronic identity = eID avalik aktsepteerimine : edutegurid, kodanike pertseptsioon ja elektroonilise identiteedi mõjuTsap, Valentyna2022 https://doi.org/10.23658/taltech.12/2022 https://digikogu.taltech.ee/et/Item/13217274-6ec5-4c3b-8324-dcf5bef99081 https://www.ester.ee/record=b5497155*est
• eID public acceptance in Estonia : towards understanding the citizenTsap, Valentyna; Lips, Silvia; Draheim, DirkThe Proceedings of the 21st Annual International Conference on Digital Government Research (DGO2020), Intelligent Government in the Intelligent Information Society : June 15-19, 2020, Seoul, Republic of Korea2020 / p. 340−341 https://doi.org/10.1145/3396956.3397009 https://www.scopus.com/sourceid/11600154611 https://www.scopus.com/record/display.uri?eid=2-s2.0-85086889952&origin=inward&txGid=b99ed431ce2c8d8a096a214faa29ab74
• e-Identity and eIDAS : interpretation of concepts by different countries [Online resource]Tsap, ValentynaProceedings of the 4th Interdisciplinary Cyber Research Workshop 2018 : 9th of June 20182018 / p. 9-10 https://www.ttu.ee/public/k/kyberkriminalistika_ja_kyberjulgeoleku_keskus/CRW_2018_lingitud.pdf
• Enhancing public e-service delivery : recognizing and meeting user needs of youngsters in EstoniaRuus, Marili; Pappel, Ingrid; Tsap, Valentyna; Draheim, DirkDigital Transformation and Global Society : 4th International Conference, DTGS 2019, St. Petersburg, Russia, June 19–21, 2019 : Revised Selected Papers2019 / p. 29-40 https://doi.org/10.1007/978-3-030-37858-5_3 https://www.scopus.com/sourceid/17700155007 https://www.scopus.com/record/display.uri?eid=2-s2.0-85078523311&origin=inward&txGid=43d3335b2eb585e50d2d5811464cd937
• 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 https://www.scopus.com/sourceid/17700155007 https://www.scopus.com/record/display.uri?eid=2-s2.0-85063526641&origin=inward&txGid=daee18a30ded7535bdb0484c75ea7f81 https://www.webofscience.com/wos/woscc/full-record/WOS:000465515500017
• Factors affecting e-ID public acceptance : a literature reviewTsap, Valentyna; Pappel, Ingrid; Draheim, DirkElectronic Government and the Information Systems Perspective : 8th International Conference, EGOVIS 2019 : Linz, Austria, August 26–29, 2019 : proceedings2019 / p. 176-188 : tab https://doi.org/10.1007/978-3-030-27523-5_13 https://www.scopus.com/sourceid/25674 https://www.scopus.com/record/display.uri?eid=2-s2.0-85077112240&origin=inward&txGid=74315fbc22e4ecafb9979fa65db7f940 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=LECT%20NOTES%20ARTIF%20INT&year=2005 https://www.webofscience.com/wos/woscc/full-record/WOS:000769392400013
• Implementation of information security in the EU information systems : an Estonian case studyJärvsoo, Maris; Norta, Alexander; Tsap, Valentyna; Pappel, Ingrid; Draheim, DirkChallenges and Opportunities in the Digital Era : 17th IFIP WG 6.11 Conference on e-Business, e-Services, and e-Society : I3E 2018, Kuwait City, Kuwait, October 30 - November 1, 2018 : proceedings2018 / p. 150-163 https://doi.org/10.1007/978-3-030-02131-3_15 https://www.scopus.com/sourceid/25674 https://www.scopus.com/record/display.uri?eid=2-s2.0-85055853635&origin=inward&txGid=2d63f16c6ab637bb90480e53a6b6dcf1 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=LECT%20NOTES%20ARTIF%20INT&year=2005 https://www.webofscience.com/wos/woscc/full-record/WOS:000515675500015
• Increasing citizen participation in e-participatory budgeting processesMærøe, Anders Røsten; Norta, Alexander; Tsap, Valentyna; Pappel, IngridJournal of Information Technology & Politics2021 / p. 125-147 https://doi.org/10.1080/19331681.2020.1821421 https://www.scopus.com/sourceid/19700170417 https://www.scopus.com/record/display.uri?eid=2-s2.0-85091196558&origin=inward&txGid=51360a9f649663e64c0bdd88d9fab589 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=J%20INF%20TECHNOL%20POLITI&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000574246400001
• Key factors in coping with large-scale security vulnerabilities in the eID fieldLips, Silvia; Pappel, Ingrid; Tsap, Valentyna; Draheim, DirkElectronic Government and the Information Systems Perspective :7th International Conference, EGOVIS 2018, Regensburg, Germany, September 3–5, 2018 : proceedings2018 / p. 60-70 https://doi.org/10.1007/978-3-319-98349-3_5 https://www.scopus.com/sourceid/25674 https://www.scopus.com/record/display.uri?eid=2-s2.0-85052848171&origin=inward&txGid=886585cd5d326d559b195549b96e00f3 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=LECT%20NOTES%20ARTIF%20INT&year=2005 https://www.webofscience.com/wos/woscc/full-record/WOS:000517826300005
• Key success factors in introducing national e-identification systemsTsap, Valentyna; Pappel, Ingrid; Draheim, DirkFuture Data and Security Engineering : 4th International Conference, FDSE 2017, Ho Chi Minh City, Vietnam, November 29 - December 1, 2017 : proceedings2017 / p. 455-471 : ill https://doi.org/10.1007/978-3-319-70004-5_33 https://www.scopus.com/sourceid/25674 https://www.scopus.com/record/display.uri?eid=2-s2.0-85036474258&origin=inward&txGid=b9f806091d42436d3b7c07f069d6f114 https://www.webofscience.com/wos/woscc/full-record/WOS:000440851600033
• Management of national eID infrastructure as a state-critical asset and public-private partnership : learning from the case of Estonia : [journal article]Lips, Silvia; Tsap, Valentyna; Bharosa, Nitesh; Draheim, Dirk; Krimmer, Robert Johannes; Tammet, TanelSSRN2022 / 19 p. : ill https://doi.org/10.2139/ssrn.4113998
• On facilitating cross-border E-commerce through an automated VAT declaration systemKreos, Kai; Täks, Ermo; Tsap, Valentyna; Pappel, Ingrid; Draheim, Dirk2019 6th International Conference on eDemocracy and eGovernment (ICEDEG 2019) : Quito, Ecuador, April 24–26, 2019 : conference proceeding2019 / p. 56-63 https://doi.org/10.1109/ICEDEG.2019.8734347
• On leveraging the potential of open data to enhance transparency and accountability - A case study from UkrainePopelyshyn, Olha; Tsap, Valentyna; Pappel, Ingrid; Draheim, Dirk2019 6th International Conference on eDemocracy and eGovernment (ICEDEG 2019) : Quito, Ecuador, April 24–26, 2019 : conference proceedings2019 / Art. 8734315 ; p. 25-30 https://doi.org/10.1109/ICEDEG.2019.8734315
• Round table : maturity of national eIDsTsap, Valentyna; Pappel, IngridAbstracts of Papers Presented at the 18th European Conference on Digital Government ECDG 2018 : Hosted By University of Santiago de Compostela, Spain, 25 - 26 October 20182018 / p. 46 https://www.academic-conferences.org/download/21774/
• The e-LocGov model for introducing e-governance into local governments : an Estonian case studyPappel, Ingrid; Tsap, Valentyna; Draheim, DirkIEEE Transactions on Emerging Topics in Computing2021 / p. 597-611 https://doi.org/10.1109/TETC.2019.2910199 https://www.scopus.com/sourceid/21100338508 https://www.scopus.com/record/display.uri?eid=2-s2.0-85064703335&origin=inward&txGid=09308f6fd911d0a39d0294800137717b https://jcr.clarivate.com/jcr-jp/journal-profile?journal=IEEE%20T%20EMERG%20TOP%20COM&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000658346300004
• Vulnerability of state-provided electronic identification : the case of ROCA in EstoniaValtna-Dvorak, Astrid; Lips, Silvia; Tsap, Valentyna; Ottis, Rain; Priisalu, Jaan; Draheim, DirkElectronic Government and the Information Systems Perspective : 10th International Conference, EGOVIS 2021, Virtual Event, September 27–30, 2021 : proceedings2021 / p. 73–85 https://doi.org/10.1007/978-3-030-86611-2_6 https://www.scopus.com/sourceid/25674 https://www.scopus.com/record/display.uri?eid=2-s2.0-85115277541&origin=inward&txGid=4254a34109125860fe1083b5921843f3 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=LECT%20NOTES%20ARTIF%20INT&year=2005 https://www.webofscience.com/wos/woscc/full-record/WOS:000769397300006