Subject based information gateways (SBIGs) aim at providing professional quality-assured information resources and multifold e-services. However, since the information resources construction of SBIGs has gained lots of acclamations, much attention should be paid on e-services to attract users. Only through expedient services provided by SBIGs, can users be faithful supporters. But e-services of them have infrequently been discussed, so we looks into e-Services of ten major SBIGs in the world, with focus on their browse, search and value-added information services. The e-service in SBIGs are uneven, most of them lack in efficient services. Based on the investigation and analyses, the paper concludes with some suggestions using theories of user-centered and service-centered for improving e-services in SBIGs. The methodologies of investigation, analysis, comparison, case study and statistics are used to do this research.
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