JSTOR is a full text database for back issues of academic journals,especially those related to humane studies,social science and natural science.This article describes the original intention of JSTOR,analyzes the features of its collections,user interface and use value,and discusses how it is introduced to users.
Based on a comparative study of Cambridge Scientific Abstracts’Internet Database Service and OCLC’s FirstSearch,this paper discusses the user-friendly interfaces of Web-based databases according to their characteristics such as database selection,search strategy formulation and reformulation,online help and result output.
The CARL’s UnCover Reveal and Elsevier Science’s ContentsDirect are web based current alerting services.This paper aims to compare their facilities and performance.Attention is focused on source coverage,profile creation and revision,data quality,data format,cost of service and extension of service.Key factors for the effective utilization of current alerting services are also discussed.
