'Bridging the gap'
Authors
Andersen, Eva ; Hedegaard, Lars
Term
4. term (INF10 - Master Thesis)
Education
Publication year
2006
Abstract
Mobile, kontekstafhængige brugergrænseflader tilpasser indhold efter brugerens situation (fx sted eller tid). Vores litteraturgennemgang viste, at der mangler klare HCI-designprincipper målrettet sådanne grænseflader. Denne afhandling foreslår og evaluerer et sæt principper baseret på indexikalitet, et semiotisk begreb der knytter interface-signaler direkte til brugerens virkelige kontekst. Vi byggede og felt-testede et mobilt, kontekstafhængigt system, der hjælper folk med at bruge offentlig transport i byen. Brugergrænsefladen blev designet ved at anvende principperne gennem en indexikal analyse af anvendelsesdomænet, og vi udførte en brugerkravsanalyse for at identificere behov. Evalueringen understøtter princippernes gyldighed og indikerer, at en push-strategi—proaktiv levering af relevant information—fungerer godt i denne type grænseflade.
Mobile, context-aware user interfaces adapt content based on a user’s situation (e.g., location or time). Our review of the field showed few clear HCI design principles tailored to such interfaces. This thesis proposes and evaluates a set of principles grounded in indexicality, a concept from semiotics that links interface cues directly to the user’s real-world context. We built and field-tested a mobile, context-aware system that helps people navigate urban public transport. The user interface was designed by applying the principles through an indexical analysis of the use domain, and we conducted a user requirements study to identify needs. The evaluation supports the validity of the proposed principles and suggests that a push strategy—proactively delivering timely information—works well in this type of interface.
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