Knowledge acquisition for the further development of e-Government. - Stamatios Theocharis; George A. Tsihrintzis (JCKBSE, 2012)

Personalization as a means to improve e-services. - Stamatios A. Theocharis; George A. Tsihrintzis (CITS, 2013)

Open data for e-government the Greek case. - Stamatios Theocharis; George A. Tsihrintzis (IISA, 2013)

Semantic concepts in BPMN 2.0. - Eleni-Maria Kalogeraki; Stamatios Theocharis; Dimitris Apostolou; George A. Tsihrintzis; Themis Panayiotopoulos (IISA, 2014)

Ontology development to support the Open Public data - The Greek case. - Stamatios Theocharis; George A. Tsihrintzis (IISA, 2014)

Open data triplification: The case of the greek open public data. - George A. Tsihrintzis; Stamatios Theocharis (IISA, 2015)

Rdf serialization from JSON data: The case of JSON data in Diavgeia.gov.gr. - Stamatios Theocharis; George A. Tsihrintzis (IISA, 2016)