<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-09-18T19:30:39Z</responseDate><request verb="GetRecord" identifier="oai:dspace.mit.edu:1721.1/32101" metadataPrefix="dim">https://dspace.mit.edu/server/oai/request</request><GetRecord><record><header><identifier>oai:dspace.mit.edu:1721.1/32101</identifier><datestamp>2022-01-13T07:54:29Z</datestamp><setSpec>com_1721.1_7582</setSpec><setSpec>com_1721.1_7581</setSpec><setSpec>col_1721.1_131023</setSpec></header><metadata><dim:dim xmlns:dim="http://www.dspace.org/xmlns/dspace/dim" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.dspace.org/xmlns/dspace/dim http://www.dspace.org/schema/dim.xsd">
   <dim:field mdschema="dc" element="contributor" qualifier="advisor" lang="en_US">Robert Laddaga.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="author" lang="en_US">Kottahachchi, Buddhika</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="other" lang="en_US">Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science.</dim:field>
   <dim:field mdschema="dc" element="contributor" qualifier="department">Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="accessioned">2006-03-28T19:51:33Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="available">2006-03-28T19:51:33Z</dim:field>
   <dim:field mdschema="dc" element="date" qualifier="copyright" lang="en_US">2005</dim:field>
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   <dim:field mdschema="dc" element="description" lang="en_US">Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2005.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">This electronic version was submitted by the student author.  The certified thesis is available in the Institute Archives and Special Collections.</dim:field>
   <dim:field mdschema="dc" element="description" lang="en_US">Includes bibliographical references (leaves 75-79).</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="abstract" lang="en_US">Traditionally, access control mechanisms have been static in nature, requiring explicit intervention in order to change their behavior. However, since security requirements can be expected to change frequently and rapidly in ubiquitous computing environments, access control mechanisms that can react to the context in which they are applied are desirable. With this in mind, we have created ACCESS (Access Controls for Cooperatively Enabled Smart Spaces); a framework for enabling dynamic, role-based and context-aware access control mechanisms in ubiquitous computing applications.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="statementofresponsibility" lang="en_US">by Buddhika Kottahachchi.</dim:field>
   <dim:field mdschema="dc" element="description" qualifier="degree" lang="en_US">M.Eng.</dim:field>
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   <dim:field mdschema="dc" element="publisher" lang="en_US">Massachusetts Institute of Technology</dim:field>
   <dim:field mdschema="dc" element="rights" lang="en_US">M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission.</dim:field>
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   <dim:field mdschema="dc" element="subject" lang="en_US">Electrical Engineering and Computer Science.</dim:field>
   <dim:field mdschema="dc" element="title" lang="en_US">ACCESS : Access Controls for Cooperatively Enabled Smart Spaces</dim:field>
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   	&lt;Title>ACCESS : Access Controls for Cooperatively Enabled Smart Spaces&lt;/Title>
   	&lt;Subtitle>Access Controls for Cooperatively Enabled Smart Spaces&lt;/Subtitle>
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   	&lt;Abstract>Traditionally, access control mechanisms have been static in nature, requiring explicit intervention in order to change their behavior. However, since security requirements can be expected to change frequently and rapidly in ubiquitous computing environments, access control mechanisms that can react to the context in which they are applied are desirable. With this in mind, we have created ACCESS (Access Controls for Cooperatively Enabled Smart Spaces); a framework for enabling dynamic, role-based and context-aware access control mechanisms in ubiquitous computing applications.&lt;/Abstract>
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