LDSR: Materialized Reason-able View to the Web of Linked Data. - Atanas Kiryakov; Damyan Ognyanoff; Ruslan Velkov; Zdravko Tashev; Ivan Peikov (RuleML Challenge, 2009)

OWLIM: A family of scalable semantic repositories. - Barry Bishop; Atanas Kiryakov; Damyan Ognyanoff; Ivan Peikov; Zdravko Tashev; Ruslan Velkov (Semantic Web, 2011)

FactForge: A fast track to the Web of data. - Barry Bishop; Atanas Kiryakov; Damyan Ognyanov; Ivan Peikov; Zdravko Tashev; Ruslan Velkov (Semantic Web, 2011)