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Using an Extended Episodic Memory Within a Mobile Companion

By: Alexander Kröner, Stephan Baldes, Anthony Jameson, and Mathias Bauer (2004)

Proceedings of the Workshop on "Memory and Sharing of Experience" at Pervasive 2004, Vienna, Austria, pp. 59-66.

Abstract: We discuss and illustrate design principles that have emerged in our ongoing work on a context-aware, useradaptive mobile personal assistant in which an extended episodic memory—the personal journal—plays a central role. The prototype system SPECTER keeps track of its user’s actions and affective states, and it collaborates with the user to create a personal journal and to learn a persistent user model. These sources of information in turn allow SPECTER to help the user with the planning and execution of actions, in particular in instrumented environments. Three principles appear to offer useful guidance in the design of this and similar systems: 1. an emphasis on usercontrolled collaboration as opposed to autonomous system initiatives; 2. provision of diverse, multiple benefits to the user as a reward for the effort that the user must inevitably invest in collaboration with the system; and 3. support for diverse forms of collaboration that are well suited to different settings and situations. We illustrate the way in which these principles are guiding the design of SPECTER by discussing two aspects of the system that are currently being implemented and tested: (a) The provision of multiple, qualitatively differentways of interacting with the personal journal allows the user to contribute to its construction in various ways, depending on the user’s current situation— and also to derive multiple benefits from the stored information. (b) SPECTER’s collaborative methods for learning a user model give the user different ways in which to contribute essential knowledge to the learning process and to control the content of the learned model.

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BibTeX entry:

@inproceedings{KrönerBJ+04,
year = {2004},
author = {{Kr\"{o}ner}, Alexander and {Baldes}, Stephan and {Jameson}, Anthony and {Bauer}, Mathias},
title = {Using an Extended Episodic Memory Within a Mobile Companion},
booktitle = {Proceedings of the Workshop on "Memory and Sharing of Experience" at Pervasive 2004},
address = {Vienna, Austria}
pages = {59-66}}