Recente studies tonen aan dat publiekscampagnes direct en indirect kunnen bijdragen aan gedragsverandering (Snyder et al, 2007; Noar 2006; Wakefield et al, 2010). Echter om effectieve campagnestrategieën gericht op gedragsverandering te ontwikkelen ontbreekt vaak een praktisch kader binnen publieke diensten …

Preprint submitted to Information Processing & Management Tags are a convenient way to label resources on the web. An interesting question is whether one can determine the semantic meaning of tags in the absence of some predefined formal structure like a thesaurus. Many authors have used the usage data …

Dit proefschrift behandelt de vraag hoe maatschappelijke actoren (‘crisismakelaars’) een sluimerende crisis aan de orde stellen, en hoe, op grond van inzicht in dit soort processen, overheidscommunicatie kan bijdragen aan het eerder identificeren en beter interpreteren van een dergelijke crisis.

Whereas most continents see circulation of newspapers drop, Latin America is one of the few areas in the world with rising newspaper circulation. A substantial part of this rise is caused by the introduction of free newspapers in a dozen countries on the continent. We map this development, discuss possible …

paper for Museums and the Web conference 2013

In January 2008 the online photo-hosting site Flickr introduced a new section entitled The Commons. Its two key goals were to show the hidden treasures in the world’s public photography archives to the general public and to give Flickr community members the opportunity to contribute and describe these …

Social media are rapidly becoming a viable way of service marketing and customer engagement in the hospitality industry. Facebook, for instance, allows restaurants to publish information, multimedia content and engage with their customers e.g., to answer questions or learn about their preferences. Being …

Dit paper onderzoekt de oorsprong van Geert Wilders' media-appeal. Geen Nederlandse politicus heeft in de voorbije vijf jaar zoveel journalistieke aandacht gegenereerd als de leider van de Partij voor de Vrijheid (PVV). Althans, dat is een wijdverbreid idee onder politici, academici en journalisten zelf. …

Full text via link. This paper focuses on the use of online social tagging and storytelling to enrich digital collections of cultural heritage. Together with several Dutch museums, we examined the question of whether and how social tagging could benefit these museums in disclosing specific digital collections. …

It has been established that normative social influence can be used effec-tively in persuasive technology. However, it is unknown whether the application of more social pressure makes it more effective. To test this hypothesis, a quantitative experiment was conducted on the online social network Facebook. …