Context and semantics for knowledge management, c2011: t.p. (Elena Simperl)

Incentive-centric Semantic Web application engineering, c2013: t.p. (Elena Simperl) page 105 (Elena Semperl ; Senior Lecturer at the University of Southampton in the UK)

Elena Simperl curriculum vitae page, viewed March 27, 2015 (Elena Simperl ; b. May 28, 1978 ; b. in Bucharest, Romania ; senior lecturer ; Associate Professor in the Web and Internet Science (WAIS) research group, department of Electronics and Computer Science (ECS) at the University of Southampton) https://sites.google.com/site/elenasimperl/