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	<pub:InProceedings rdf:about="http://ebiquity.umbc.edu/paper/html/id/32/Neighborhood-Consistent-Transaction-Management-for-Pervasive-Computing-Environments">
		<rdfs:label><![CDATA[Neighborhood-Consistent Transaction Management for Pervasive Computing Environments]]></rdfs:label>
		<pub:title><![CDATA[Neighborhood-Consistent Transaction Management for Pervasive Computing Environments]]></pub:title>
		<pub:publishedOn rdf:datatype="&xsd;dateTime">2003-09-02T00:00:00-05:00</pub:publishedOn>
		<pub:abstract><![CDATA[This paper examines the problem of transaction management in pervasive
computing environments and presents a new approach to address it. We represent
each entity as a mobile or static semi-autonomous device. The purpose of each device
is to satisfy user queries based on its local data repository and interactions with other
devices currently in its vicinity. Pervasive environments, unlike traditional mobile
computing paradigms, do not differentiate between clients and servers that are located
in a fixed, wired infrastructure. Consequently, we model all devices as peers. These
environments also relax other assumptions made by the mobile computing paradigm,
such as the possibility of reconnection with a given device, support from wired infrastructure,
or the presence of a global schema. These fundamental characteristics
of pervasive computing environments limit the use of techniques developed for transactions
in a mobile computing environment. We define an alternative optimistic
transaction model whose main emphasis is to provide a high rate of successful transaction
terminations and to maintain a neighborhood-based consistency. The model
accomplishes this via the help of active witnesses and by employing an epidemic
voting protocol. The advantage of our model is that it enables two or more peers
to engage in a reliable and consistent transaction while in a pervasive environment
without assuming that they can talk to each other via infrastructure such as base stations.
The advantage of using active witnesses and an epidemic voting protocol is that
transaction termination does not depend on any single point of failure. Additionally,
the use of an epidemic voting protocol does not require all involved entities to be simultaneously
connected at any time and, therefore, further overcomes the dynamic
nature of the environments. We present the implementation of the model and results
from simulations.]]></pub:abstract>
		<pub:pages><![CDATA[276–286]]></pub:pages>
		<pub:note><![CDATA[DOI https://doi.org/10.1007/978-3-540-45227-0_28]]></pub:note>
		<pub:volume><![CDATA[2736]]></pub:volume>
		<pub:counter>5264</pub:counter>
		<pub:googleCitations>11</pub:googleCitations>
		<pub:booktitle><![CDATA[14th International Conference on Database and Expert Systems Applications (DEXA 2003)]]></pub:booktitle>
		<pub:publisher><![CDATA[Springer]]></pub:publisher>
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					<person:Person rdf:about="http://ebiquity.umbc.edu/person/html/Filip/Perich"><person:name><![CDATA[Filip Perich]]></person:name><rdfs:label><![CDATA[Filip Perich]]></rdfs:label></person:Person>
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							<person:Person rdf:about="http://ebiquity.umbc.edu/person/html/Anupam/Joshi"><person:name><![CDATA[Anupam Joshi]]></person:name><rdfs:label><![CDATA[Anupam Joshi]]></rdfs:label></person:Person>
						</rdf:first>
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									<person:Person rdf:about="http://ebiquity.umbc.edu/person/html/Yelena/Yesha"><person:name><![CDATA[Yelena Yesha]]></person:name><rdfs:label><![CDATA[Yelena Yesha]]></rdfs:label></person:Person>
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											<person:Person rdf:about="http://ebiquity.umbc.edu/person/html/Tim/Finin"><person:name><![CDATA[Tim Finin]]></person:name><rdfs:label><![CDATA[Tim Finin]]></rdfs:label></person:Person>
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		</pub:firstAuthor>
		<pub:relatedProject><project:PastProject rdf:about="http://ebiquity.umbc.edu/project/html/id/2/MoGATU-Data-Management-in-Pervasive-Computing-Environments"><project:title><![CDATA[MoGATU: Data Management in Pervasive Computing Environments]]></project:title><rdfs:label><![CDATA[MoGATU: Data Management in Pervasive Computing Environments]]></rdfs:label></project:PastProject></pub:relatedProject>
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