Smart environments (e.g., airports, hospitals, stadiums, and other physical spaces using ubiquitous computing to empower many mobile people) provide novel challenges for usability...
Narrative systems attempt to present users with media collections that include some element of structure or story, however these collections can lack an authorial voice and seem b...
So far, the search for Opportunistic Network (ON) applications has focused on urban/rural scenarios where the combined use of mobility and the store-carry-and-forward paradigm hel...
To see whether, from the user’s standpoint, muddling through with trial-and-error exploration of the interface actually works as well as consulting help, we analyzed video recor...
Users of help systems often complain that they do not find them useful; while they still use help at least occasionally, they resort to other problem-solving strategies. In this p...