A note paper on note-taking: understanding annotations of mobile phone calls

Authors:
Juan Pablo Carrascal;Rodrigo de Oliveira;Mauro Cherubini
Affiliations:
Universitat Pompeu Fabra & Telefonica Research, Barcelona, Barcelona, Spain;Telefonica Research, Barcelona, Spain;Google & Telefonica Research, Zurich, Switzerland
Venue:
MobileHCI '12 Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services
Year:
2012

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Abstract

Note-taking has been largely studied in contexts of work meetings. However, often people need to remember information exchanged in informal situations, such as during mobile phone conversations. In this paper we present a study conducted with 59 subjects who had their phone calls semi-automatically transcribed for later annotation. Analysis of the 621 calls and the subjects' annotation behavior revealed that phone recall is indeed a relevant user need. Furthermore, identifying patterns in phone calls such as numbers and names provide better indicators of annotation than variables related to the callers' profile, context of calls, or quality of service. Our findings suggest implications for the design of mobile phone annotation tools.