e-ISSN 2231-8542
ISSN 1511-3701

Home / Regular Issue / JTAS Vol. 21 (1) Jan. 2013 / JST-0441-2012


Context Modelling for Just-In-Time Mobile Information Retrieval (JIT-MobIR)

Az Azrinudin Alidin and Fabio Crestani

Pertanika Journal of Tropical Agricultural Science, Volume 21, Issue 1, January 2013

Keywords: Context recognition, mobile information retrieval, just-in-time information access

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Mobile users have the capability of accessing information anywhere at any time with the introduction of mobile browsers and mobile web search. However, the current mobile browsers are implemented without considering the characteristics of mobile searches. As a result, mobile users need to devote time and effort in order to retrieve relevant information from the web in mobile devices. On the other hand, mobile users often request information related to their surroundings, which is also known as context. This recognizes the importance of including context in information retrieval. Besides, the availability of the embedded sensors in mobile devices has supported the recognition of context. In this study, the context acquisition and utilization for mobile information retrieval are proposed. The “just-in-time” approach is exploited in which the information that is relevant to a user is retrieved without the user requesting it. This will reduce the mobile user’s effort, time and interaction when retrieving information in mobile devices. In this paper, the context dimensions and context model are presented. Simple experiments are shown where user context is predicted using the context model.

ISSN 1511-3701

e-ISSN 2231-8542

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