@phdthesis{Share_it_1981185920-11938, title = {Towards effective research-paper recommender systems and user modeling based on mind maps}, author = {Beel, Jöran}, year = {2015}, url = {http://dx.doi.org/10.25673/4222}, urn = {urn:nbn:de:gbv:ma9:1-6121}, school = {Otto-von-Guericke-Universität Magdeburg}, }