If you would like to write for this, or any other Emerald publication, then please use our Emerald for Authors service information about how to choose which publication to write for and submission guidelines are available for all. Please visit www.emeraldinsight.com/authors for more information. About Emerald www.emeraldinsight.comEmerald is a global publisher linking research and practice to the benefit of society. The company manages a portfolio of more than 290 journals and over 2,350 books and book series volumes, as well as providing an extensive range of online products and additional customer resources and services.Emerald is both COUNTER 4 and TRANSFER compliant. The organization is a partner of the Committee on Publication Ethics (COPE) and also works with Portico and the LOCKSS initiative for digital archive preservation. AbstractPurpose -This study aims to identify the similarities and differences between the perspectives of providers and customers regarding the important dimensions and attributes of e-service quality (e-SQ). Design/methodology/approach -Ten criteria are proposed for assessment of e-SQ in both business-to-business (B2B) and business-to-consumer (B2C) transactions. Confirmatory factor analysis confirms the validity of grouping these criteria into five proposed dimensions. The e-SQ dimensions and criteria are then ranked in terms of their importance by a survey of respondents from small and medium-sized enterprises with experience in conducting e-business in Greece. The results are compared with selected surveys of customers' perceptions from the literature. Findings -The results indicate that the providers' perceptions are in agreement with customers' perceptions with regard to e-SQ dimensions, but not with regard to specific criteria (items) within those dimensions. The study also finds that providers have similar perceptions of the importance of the suggested e-SQ criteria in B2B and B2C electronic transactions.Research limitations/implications -The findings should be generalised with care if extrapolated to other socio-cultural settings and specific industries. Practical implications -Managers should recognise that there might be differences between their views of e-SQ and those of their customers. Originality/value -This is one of the few studies to have focused on the perceptions of providers in assessing e-SQ.
Purpose This paper aims to address privacy concerns that arise from the use of mobile recommender systems when processing contextual information relating to the user. Mobile recommender systems aim to solve the information overload problem by recommending products or services to users of Web services on mobile devices, such as smartphones or tablets, at any given point in time and in any possible location. They use recommendation methods, such as collaborative filtering or content-based filtering and use a considerable amount of contextual information to provide relevant recommendations. However, because of privacy concerns, users are not willing to provide the required personal information that would allow their views to be recorded and make these systems usable. Design/methodology/approach This work is focused on user privacy by providing a method for context privacy-preservation and privacy protection at user interface level. Thus, a set of algorithms that are part of the method has been designed with privacy protection in mind, which is done by using realistic dummy parameter creation. To demonstrate the applicability of the method, a relevant context-aware data set has been used to run performance and usability tests. Findings The proposed method has been experimentally evaluated using performance and usability evaluation tests and is shown that with a small decrease in terms of performance, user privacy can be protected. Originality/value This is a novel research paper that proposed a method for protecting the privacy of mobile recommender systems users when context parameters are used.
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