The Planetary System: Executable Science, Technology, Engineering and Math Papers. - Christoph Lange 002; Michael Kohlhase; Catalin David; Deyan Ginev; Andrea Kohlhase; Bogdan Matican; Stefan Mirea; Vyacheslav Zholudev (ESWC (2), 2011)

A Framework for Semantic Publishing of Modular Content Objects. - Catalin David; Deyan Ginev; Michael Kohlhase; Bogdan Matican; Stefan Mirea (SePublica, 2011)

The Planetary System: Web 3.0 & Active Documents for STEM. - Michael Kohlhase; Joseph Corneli; Catalin David; Deyan Ginev; Constantin Jucovschi; Andrea Kohlhase; Christoph Lange 002; Bogdan Matican; Stefan Mirea; Vyacheslav Zholudev (ICCS, 2011)

MathWebSearch 0.5: Scaling an Open Formula Search Engine. - Michael Kohlhase; Bogdan Matican; Corneliu-Claudiu Prodescu (AISC/MKM/Calculemus, 2012)