IZUM developed the COBISS/SciMet portal to monitor scientific publications and to evaluate publications published by Slovenian authors. The methodology of collecting, aggregating and processing data on Slovenian authors obtained from different information resources, e.g. WoS, Scopus, COBISS.SI, SICRIS, SNIP and JCR is described. The options of data display within the portal and the functionalities of the portal are presented. A new framework used for developing the COBISS/SciMet web application is presented.