the study discusses the traditional and online procedures and outlines of sdi service. the paper has also taken an initiative to formulate an exact matching technique between user’s subject interest and document profile with exploration along with electronic delivery of voluminous information technique. it also discusses some standard features and model of user profile. finally, the paper explo...

This paper presents the results of a heuristic-based user interface evaluation of the Gateway to Electronic Media Services (GEMS) system at Nanyang Technological University(NTU) in Singapore. GEMS provides access to multimedia resources, bibliographic information, electronic document management, selective dissemination of information (SDI), booking of facilities, and several other services. Res...