1. Document clustering of scientific texts using citation contexts;Aljaber;Journal of Information Retrieval,2009
2. Amolochitis, E., Christou, I. T., & Tan, Z. -H. (2012). PubSearch: a hierarchical heuristic scheme for ranking academic search results. In Proc. 1st Intl. Conference on Pattern Recognition Applications and Methods (ICPRAM’12) (pp. 509–514), February 6–8, 2012, Algarve, Portugal.
3. Local feedback in full-text retrieval systems;Attar;Journal of the ACM,1977
4. Evolution of the social network of scientific collaborations;Barabsi;Physica A,2001
5. Beel, J., & Gipp, B. (2009). Google Scholar’s ranking algorithm: an introductory overview. In Proc. 12th Intl. Conf. on Scientometrics and Infometrics (pp. 230–241), Rio de Janeiro, Brazil.