Users' perception of relevance of spoken documents
Tassos Tombros, Fábio Crestani · Journal of the American Society for Information Science · 2000
Introduction There has been a surge of interest in ubiquitous computing over the past few years. Ubiquitous computing is an attempt to break away from the traditional desktop interaction paradigm by distributing computational power and resources into the environment surrounding the user. In the last few years, there has also been an increasing emphasis on extending the utility of information systems by providing access through mobile devices, for example, telephones or PDAs (Goose et al., 1998). Enabling access to an information service via a telephone, without the use of a computer and a modem or a dedicated client device, has the potential to considerably increase the size of the user community. In addition to offering greater convenience and flexibility, ubiquitous access to information services via telephone devices enables professionals to make use of previously unproductive time. Moreover, the use of audio input and output enables visually impaired users