Discovery and Selection of Certified Web Services Through Registry-Based Testing and Verification. - Dimitrios Kourtesis; Ervin Ramollari; Dimitris Dranidis; Iraklis Paraskakis (Virtual Enterprises and Collaborative Networks, 2008)

Run-time Verification of Behavioural Conformance for Conversational Web Services. - Dimitris Dranidis; Ervin Ramollari; Dimitrios Kourtesis (ECOWS, 2009)

Leveraging Semantic Web Service Descriptions for Validation by Automated Functional Testing. - Ervin Ramollari; Dimitrios Kourtesis; Dimitris Dranidis; Anthony J. H. Simons (ESWC, 2009)

Sharing and discussing UML modeling exercises in a PLE. - Jürgen Börstler; Dimitris Dranidis; Ervin Ramollari; Sonja Trapp; Matthias Heintz 002; Sebastian Weber (ITiCSE, 2010)

Collaborative Learning of UML and SysML. - Sonja Trapp; Ervin Ramollari; Matthias Heintz 002; Sebastian Weber; Dimitris Dranidis; Jürgen Börstler (Int. J. Eng. Pedagog., 2011)

Automated runtime testing of Web services. - Ervin Ramollari (2013)