1. Arapakis I, Athanasakos K, Jose J (2010) A comparison of general vs personalised affective models for the prediction of topical relevance. ACM SIGIR10:371–378
2. Bhogal J, Macfarlane A, Smith P (2007) A review of ontology based query expansion. Inf Process Manag 43:866–886
3. Clarkea CLA, Cormackb G, Tudhope EA (2000) Relevance ranking for one to three term queries. Inf Process Manag 36:291–311
4. Duong TH, Jo GS, Jung JJ, Nguyen NT (2009) Complexity analysis of ontology integration methodologies: a comparative study. J Univers Comput Sci 15(4):877–897
5. Esposito F, Semeraro G, Ferilli S, Degemmis M, Di Mauro N, Basile TMA, Lops P (2003) Evaluation and validation of two approaches to user profiling. In: Proceedings of EWMF’, vol 03, pp 130–147