Safe design is an increasingly influential approach due to a growing recognition of the contribution of design to workplace safety. It aims to eliminate workplace hazards by systematically involving end-users in the design or redesign process. In this review paper, the explicit and novel focus is upon redesign, rather than original design. The literature in the field is appraised and a human-ce...

Given the re-broadcasts (i.e. retweets) of posts in Twitter, how can we spot fake from genuine user reactions? What will be the tell-tale sign — the connectivity of retweeters, their relative timing, or something else? High retweet activity indicates influential users, and can be monetized. Hence, there are strong incentives for fraudulent users to artificially boost their retweets’ volume. Her...

LibQUAL+ model is a web-based survey to measure the library service quality according to the users’ perceptions. Although it is the most popular method, it presents two major drawbacks: (i) it is devised on cardinal scale to measure the library service quality (from 1 to 9), but, due to the subjectivity, impression and vagueness of the human beings when attempting to qualify phenomena related t...

Uncertainty in crises often leads to knowledge gaps, which can be bridged through people’s communication, resulting in sensemaking. Because research dealing with the identification of roles to examine how they guide sensemaking is almost non-existent, this paper seeks to clarify this problem. In the context of crisis communication related to the Brussels bombings in 2016, first social network a...

The emergence of mobile application services and App Store has led to the explosive growth of user innovation, which users voluntarily contribute to. User innovation communities where end users freely reveal innovative ideas and needs with other community members are becoming increasingly influential in this area. However, user’s ideas in user innovation community are not enough to be new servi...

Consumers are increasingly sharing product interests and experiences with others on websites. For example, consumers can “tag” products using their own words and these “product tags” are then aggregated and shared with other online consumers who seek for information. In addition, highly experienced and influential information contributors on websites are often highlighted as “featured users” an...

We consider a model of opinion formation based on aggregation functions. Each player modifies his opinion by arbitrarily aggregating the current opinion of all players. A player is influential for another player if the opinion of the first one matters for the latter. A generalization of influential player to a coalition whose opinion matters for a player is called influential coalition. Influen...