License: Creative Commons Attribution 4.0 International license (CC BY 4.0)
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DOI: 10.4230/DagSemProc.09121.20
URN: urn:nbn:de:0030-drops-19068
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Cranefield, Stephen ; Li, Guannan

Monitoring Social Expectations in Second Life

09121.CranefieldStephen.Paper.1906.pdf (0.2 MB)


Online virtual worlds such as Second Life provide a rich medium for unstructured human interaction in a shared simulated 3D environment. However, many human interactions take place in a structured social context where participants play particular roles and are subject to expectations governing their behaviour, and current virtual worlds do not provide any support for this type of interaction. There is therefore an opportunity to adapt the tools developed in the MAS community for structured social interactions between software agents (inspired by human society) and adapt these for use with the computer-mediated human communication provided by virtual worlds.

This paper describes the application of one such tool for use with Second Life. A model checker for online monitoring of social expectations defined in temporal logic has been integrated with Second Life, allowing users to be notified when their expectations of others have been fulfilled or violated. Avatar actions in the virtual world are detected by a script, encoded as propositions and sent to the model checker, along with the social expectation rules to be monitored. Notifications of expectation fulfilment and violation are returned to the script to be displayed to the user. This utility of this tool is reliant on the ability of the Linden scripting language (LSL) to detect events of significance in the application domain, and a discussion is presented on how a range of monitored structured social scenarios could be realised despite the limitations of LSL.

BibTeX - Entry

  author =	{Cranefield, Stephen and Li, Guannan},
  title =	{{Monitoring Social Expectations in Second Life}},
  booktitle =	{Normative Multi-Agent Systems},
  pages =	{1--12},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2009},
  volume =	{9121},
  editor =	{Guido Boella and Pablo Noriega and Gabriella Pigozzi and Harko Verhagen},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{},
  URN =		{urn:nbn:de:0030-drops-19068},
  doi =		{10.4230/DagSemProc.09121.20},
  annote =	{Keywords: Virtual worlds, Second Life, social expectations}

Keywords: Virtual worlds, Second Life, social expectations
Collection: 09121 - Normative Multi-Agent Systems
Issue Date: 2009
Date of publication: 11.03.2009

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