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Information scent is an establish concept for assessing how users interact with information retrieval systems. This paper proposes two ways of measuring user perceptions of information scent in order to assess the product quality of Web or Internet information retrieval systems. An empirical study is presented which validates these measures through an(More)
E-commerce sites currently provide poor access to information and knowledge. Accessibility is a key issue, both for selling individual products and services, and for selling the concept of e-commerce ahead of other modes of commerce. This report uses the concept of Features, Advantages and Benefits (FAB) to define knowledge-level accessibility requirements(More)
This paper examines alternative applications of case-based reasoning to product selection. It is motivated by shortfalls in e-commerce solutions but addresses wider issues in the selection of case representations and reasoning strategies where solution requirements are negotiable and the number of potential features are large. Two approaches are examined:(More)
Successful navigation of on-line information is highly related to the structure of that information (variously called an ontology, taxonomy or classification). We present the Naviguidance method, which exploits this structure in browsing and searching so as to improve usability. We present three case studies where naviguidance has been applied to real(More)
The aim of the TERM project-Tagging (extra, external) Electronic Resources for Modules-is to investigate the extent to which social bookmarking can be used to promote collaborative learning. The motivation for doing this is to enable students to get more value from the informal collections of on-line resources that they may gather to support their learning.(More)
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