Usability Engineering
MovieLens unplugged: experiences with an occasionally connected recommender system
Proceedings of the 8th international conference on Intelligent user interfaces
A study of reviews and ratings on the internet
CHI '06 Extended Abstracts on Human Factors in Computing Systems
Mobile sales assistant: NFC for retailers
Proceedings of the 9th international conference on Human computer interaction with mobile devices and services
A mobile product recommendation system interacting with tagged products
PERCOM '09 Proceedings of the 2009 IEEE International Conference on Pervasive Computing and Communications
Is the Crowd's Wisdom Biased? A Quantitative Analysis of Three Online Communities
CSE '09 Proceedings of the 2009 International Conference on Computational Science and Engineering - Volume 04
Design of a RFID-Based ubiquitous comparison shopping system
KES'06 Proceedings of the 10th international conference on Knowledge-Based Intelligent Information and Engineering Systems - Volume Part I
RevMiner: an extractive interface for navigating reviews on a smartphone
Proceedings of the 25th annual ACM symposium on User interface software and technology
SocInfo'12 Proceedings of the 4th international conference on Social Informatics
Decision-making in the aisles: informing, overwhelming or nudging supermarket shoppers?
Personal and Ubiquitous Computing
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Research has shown that product reviews on the Internet not only support consumers when shopping, but also lead to increased sales for retailers. Recent approaches successfully use smart phones to directly relate products (e.g. via barcode or RFID) to corresponding reviews, making these available to consumers on the go. However, it is unknown what modality (star ratings/text/video) users consider useful for creating reviews and using reviews on their mobile phone, and how the preferred modalities are different from those on the Web. To shed light on this we conduct two experiments, one of them in a quasi-realistic shopping environment. The results indicate that, in contrast to the known approaches, stars and pre-structured text blocks should be implemented on mobile phones rather than long texts and videos. Users prefer less and rather well-aggregated product information while on the go. This accounts both for entering and, surprisingly, also for using product reviews.