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Virtual Campfire: Mobile Social Software
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Introduction
The Web 2.0 communities become
mobile and multimedia based, which raises new challenges to community
information systems. Meanwhile, Social Software makes users be content
prosumers (consumer and producer in parallel) anywhere at any
time. Consequently, Web 2.0 and social software result in a great amount
of multimedia artifacts and a large number of diverse communities.
Within the research cluster
UMIC of the German
Excellence Initiative, we have developed this scenario.
Virtual Campfire is an advanced framework to create, search, and
share multimedia artifacts with context awareness cross communities.
Hosted on the basic component the Community Engine, Virtual
Campfire provides communities a set of Context-Aware Services
and Multimedia Processor Components (cf. Figure 1) to connect to
heterogeneous data sources. Through standard protocols a large variety of
(mobile) interfaces facilitate a rapid design and prototyping of
context-aware multimedia community information systems. The successful
realization of a couple of (mobile) applications listed as follows has
proved the concept and demonstrated Virtual Campfire in practices.
Figure 1: Conceptual Architecture of Virtual Campfire
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MIST is a multimedia based non-linear digital
storytelling system with the underlying Movement Oriented Design (MOD) paradigm
(developed at
Victoria University, Melbourne,
Australia). It contextualizes multimedia artifacts with regard
to multimedia semantics and problems addressed by users. |
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NMV is an MPEG-7 multimedia tagging
system. It support free text tagging, MPEG-7 standard based semantic
tagging and community based tagging (Commsonomy) to enhance
semantic multimedia search and retrieval. |
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ACIS is a GIS enabled multimedia
information system hosting diverse user communities. Cultural heritage
management in Afghanistan has its special case, because the national
scientific structures and information systems were ever destroyed.
ACIS facilitates the intergenerational cooperation among communities
on an international level. |
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Mobile ACIS is a light version of ACIS
which could be run on mobile devices such as PDAs and smart phones.
Supported by embedded or external GPS devices, photos with geographic
coordinates can be uploaded to servers directly in a fieldwork on
site. |
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CAAS is a mobile application for
context-aware search and retrieval of multimedia and community members
based on a comprehensive context ontology modeling spatial, temporal,
device and community contexts. |
All these applications employ the community engine
and MPEG-7 Services within the Virtual Campfire framework. Other
services and (mobile) interfaces are applied according to different
communities' requirements. The main applying domains are in the moment
cultural science, cultural heritage management (in cooperation with
Department of Urban History
at RWTH Aachen) and technology-enhanced learning. Together with the
research progress at Chair of
Communication and Distributed Systems (Informatik 4), Virtual
Campfire running on Wireless Mesh Networks will be able to applied with
high and stable network data transfer capability and low cost in
developing countries.
Links:
| ACIS - Afghan Community Information System for Cultural Heritage Management |
| Community of Bamiyan Development
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