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- W2235751143 abstract "With digital cameras, camera phones, and camcorders connected to personal computers and the Internet, people are capturing, sharing, and storing more and more media created by themselves. This has created the organizing challenge called media management problem: how to browse and find media from the growing personal media collections. Metadata is seen as one of the most promising technologies to address this problem. Previous work on metadata design has focused on public or commercially produced media – not on media created by consumers for themselves or their social networks. Taking snapshot photography as a starting point, this dissertation looks into the media management problem from a user-centric design perspective. In this work, three consecutive systems were designed: MMM-1, MobShare, and PhotosToFriends. Each of these systems was evaluated in extensive user trials. The objective of the user trials was to provide a better understanding of the uses people have for mobile photos and metadata. The results gained from constructing the systems and the associated user trials are divided into three. First, they contribute to understanding social uses for mobile photographs: what was photographed, with whom were the photos shared, and what kind of social activity emerged. Second, the results can be applied into designing systems for photo sharing: the use of galleries, control over sharing, support for discussions, and social awareness and notifications. Third, what are the implications for metadata that the social uses and system design have. The main implications are the inherent problem of personal photo information being contextual, dynamic, and highly semantic, and the strong coupling of metadata and its application. To address these problems we propose the concept of social metadata, which takes advantage of the social activity in photo sharing systems. The user-centric design approach also brings forth that content metadata generation should be approached from several angles – social metadata, user tagging and contextual information – in addition to the more traditional content-based analysis.%%%%Digitaalikameroiden, kamerapuhelimien ja digitaalisten videokameroiden ollessa nykyaan yhdistettyna kotitietokoneiseen ja sita kautta Internetiin ihmiset luovat, jakavat ja tallentavat entista enemman itse tekemaansa mediaa. Taman seurauksena on syntynyt organisointihaaste, jota kutsutaan henkilokohtaisen median hallintaongelmaksi: kuinka selata mediaa tai loytaa sielta haluamansa media? Metatietoa pidetaan yhtena lupaavimmista teknologisista ratkaisuista tahan ongelmaan. Aikaisempi tutkimus metatiedon suunnittelussa on keskittynyt julkiseen tai kaupalliseen mediaan – ei mediaan, jonka kuluttajat luovat itselleen tai sosiaaliselle verkostolleen. Tama vaitoskirja tutkii median hallintaongelmaa kayttajakeskeisesta nakokulmasta, jossa lahtokohtana on nappailyvalokuvaus. Tassa tyossa rakennettiin kolme perakkaista jarjestelmaa: MMM-1, MobShare ja PhotosToFriends. Kukin naista jarjestelmista evaluoitiin kattavilla…" @default.
- W2235751143 created "2016-06-24" @default.
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- W2235751143 date "2006-12-15" @default.
- W2235751143 modified "2023-09-23" @default.
- W2235751143 title "Designing user-centric metadata for digital snapshot photography" @default.
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