By David Merrill, Pattie Maes (auth.), Anthony LaMarca, Marc Langheinrich, Khai N. Truong (eds.)

This e-book constitutes the refereed complaints of the fifth overseas convention on Pervasive Computing, PERVASIVE 2007, held in Toronto, Canada in may perhaps 2007.

The 21 revised complete papers offered have been conscientiously reviewed and chosen from 132 submissions. The papers are geared up in topical sections on achieving out, context and its software, defense and privateness, knowing use, sensing, in addition to discovering and positioning.

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Extra info for Pervasive Computing: 5th International Conference, PERVASIVE 2007, Toronto, Canada, May 13-16, 2007. Proceedings

Sample text

Prior to the study, table-top signs and A3-size wall posters were distributed in 40 locations across six buildings, including business centres, meeting areas and kitchens. NFC tags were embedded in the posters and signs. The services accessed by reading a tag ranged across the services offered by mobile phone operators: voice, data and SMS. There were 90 tabletop signs, each containing tags with links via URLs to Vodafone Live! sport, music and games sites. 16 of the posters had a variety of tags.

E. not counting repeated accesses of a particular tag by the same participant. Table 1. Distribution of data service interactions with different NFC tags Distribution of tags Number of participants 0 04 1-10 35 11-20 16 21-30 02 31-40 03 Participants read a high number of tags in the first 2 days after receiving their NFC phones and trial packs (Thursday and Friday). 64 tag events were recorded during the weekend despite a network problem that became apparent on Friday. The trial administrators sent an email early on the Monday morning, informing the participants that the problem had been fixed.

LaMarca et al. ): PERVASIVE 2007, LNCS 4480, pp. 19 – 36, 2007. © Springer-Verlag Berlin Heidelberg 2007 20 E. O’Neill et al. barcode may be printed on a surface or on an adhesive tag which may in turn be attached to a surface. Alternatively, a 2D barcode may be displayed on a device’s screen while another device is used to read the tag. A 2D barcode provides one-way communication. The barcode image encodes data. The mobile phone’s camera scans the image and the reader application decodes the data from the image.

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