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

Methods and tools for publishing and reusing linked open statistical dataTambouris, Efthimios; Kalampokis, Evangelos; Janssen, Marijn; Krimmer, Robert Johannes; Tarabanis, Konstantinosdg.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. 614-615 : ill http://dx.doi.org/10.1145/3085228.3085234

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

Theory and practice of linked open statistical dataTambouris, Efthimios; Kalampokis, Evangelos; Janssen, Marijn; Matheus, Ricardo; Hermans, Paul; Kalvet, Tarmodg.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. 130, 2 p https://doi.org/10.1145/3209281.3209341 Conference proceedings at Scopus Article at Scopus Article at WOS