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% Revision 1.4  1997/04/18  17:54:10  othomas
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% Revision 1.4  1997/04/18  17:54:10  othomas
% added page numbers on abstract and cover, and made 1 abstract
% page the default rather than 2.  (anne hunter tells me this
% is the new institute standard.)
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% Revision 1.3  93/05/17  17:06:29  starflt
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% Revision 1.2  92/04/22  13:13:13  epeisach
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% NOTE:
% These templates make an effort to conform to the MIT Thesis specifications,
% however the specifications can change.  We recommend that you verify the
% layout of your title page with your thesis advisor and/or the MIT 
% Libraries before printing your final copy.
\title{Framework for Policy Aware Reuse of Content on the WWW}

\author{Oshani Wasana Seneviratne}
% If you wish to list your previous degrees on the cover page, use the 
% previous degrees command:
%       \prevdegrees{A.A., Harvard University (1985)}
% You can use the \\ command to list multiple previous degrees
%       \prevdegrees{B.S., University of California (1978) \\
%                    S.M., Massachusetts Institute of Technology (1981)}

%\prevdegrees{B.S, University of Moratuwa, Sri Lanka (2007)}

\department{Department of Electrical Engineering and Computer Science}

% If the thesis is for two degrees simultaneously, list them both
% separated by \and like this:
% \degree{Doctor of Philosophy \and Master of Science}
\degree{Master of Science in Computer Science and Engineering}

% As of the 2007-08 academic year, valid degree months are September, 
% February, or June.  The default is June.
\degreemonth{June}
\degreeyear{2009}
\thesisdate{May 22, 2009}

%% By default, the thesis will be copyrighted to MIT.  If you need to copyright
%% the thesis to yourself, just specify the `vi' documentclass option.  If for
%% some reason you want to exactly specify the copyright notice text, you can
%% use the \copyrightnoticetext command.  
%\copyrightnoticetext{\copyright IBM, 1990.  Do not open till Xmas.}

% If there is more than one supervisor, use the \supervisor command
% once for each.
\supervisor{Tim Berners-Lee}{Professor}

%@@@@ ASK LALANA
\reader{Lalana Kagal}{Research Scientist}

% This is the department committee chairman, not the thesis committee
% chairman.  You should replace this with your Department's Committee
% Chairman.
\chairman{Terry P. Orlando}{Chairman, Department Committee on Graduate Theses}

% Make the titlepage based on the above information.  If you need
% something special and can't use the standard form, you can specify
% the exact text of the titlepage yourself.  Put it in a titlepage
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% The spaces will be adjusted to fill the entire page.  The dotted
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\maketitle

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% top of the page, and the supervisors are listed at the bottom.  A
% new page is begun both before and after.  Of course, an abstract may
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% format of the page, you can use the abstract environment, which puts
% the word "Abstract" at the beginning and single spaces its text.

%% You can either \input (*not* \include) your abstract file, or you can put
%% the text of the abstract directly between the \begin{abstractpage} and
%% \end{abstractpage} commands.

% First copy: start a new page, and save the page number.
\cleardoublepage
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% abstract and acknowledgments pages.
% \pagestyle{empty}
\setcounter{savepage}{\thepage}
\begin{abstractpage}
\input{abstract}
\end{abstractpage}

% Additional copy: start a new page, and reset the page number.  This way,
% the second copy of the abstract is not counted as separate pages.
% Uncomment the next 6 lines if you need two copies of the abstract
% page.
% \setcounter{page}{\thesavepage}
% \begin{abstractpage}
% \input{abstract}
% \end{abstractpage}

\cleardoublepage

\section*{Acknowledgments}

I would like to thank my advisor Tim Berners-Lee for his guidance during the past two years. He helped me learn the intricacies of Tabulator and many things about the Semantic Web. 

Daniel Weitzner for all the advice he has given throughout, especially on certain legal aspects of Creative Commons licenses and the Copyright Law.

Lalana Kagal, for mentoring me, giving very good implementation suggestions and making sure that everything goes smoothly and timely.  

Hal Abelson, for introducing me to the Creative Commons community to present this work and get lot of feedback from.  

Gerry Sussman for advising me on the feasibility of applying data purpose algebra in the context of policy aware content reuse.

Nigel Shadbolt at University of Southampton in the UK, for helping me initiate this work during the summer of 2008 while I was undergoing the `Networks for Web Science Student Exchange' under his supervision. Without his advice this work would not have materialized.

I am also very grateful to my lab mates and friends for providing help on bug busting by testing the software I have developed, proofreading my thesis and for all the encouragement they provided all throughout. 

%I feel that that acknowledgements will be incomplete if I do not mention how I got motivated to explore this particular topic. This was due to an incident that happened during the 'Summer Doctoral Programme' (SDP) held at the Oxford Internet Institute, UK just few weeks before I started the exchange programme at University of Southampton. I participated in the SDP along with 28 other students, and after the programme ended, some of the students started sharing the photographs taken during the SDP by posting links to those in the mailing list. Few students, including myself, started uploading these photographs on a particular social networking site. This annoyed a particular  student, who had given the Creative Commons 3.0 BY NC license to his/her  photographs, which meant those cannot be used for any commercial use, and whenever republished, attribution has to be given to him/her. Of course, the  'license  violators' had no intention of actually violating the original license. It was merely an oversight on their part where they ignored the license or was not aware of what it meant and how it should be used. This made me think that there should be a tool in between   the Digital Rights Management and the Creative Commons continuum, to help users to reuse content in a policy aware manner. Therefore, I am very much grateful to my friend for making me aware of the implications of licenses applied to works on the web, which in turn provided the seed idea for this project.

%The work described in this thesis was initiated during the summer of 2008 while I was undergoing the EPSRC Networks for Web Science Student Exchange program at University of Southampton, UK under Prof. Nigel Shadbolt. After coming back to MIT in Fall 2008, and in Spring 2009, I was able to refine and extend the project under the guidance of my advisor Prof Sir Tim Berners-Lee and integrate the policy aware content reuse capabilities to the Tabulator Firefox extension. I am very much thankful to both of them for the advice and attention to detail given throughout. This project would not have been successful had not been for their guidance.

This work was carried out with generous funding from National Science Foundation Cybertrust Grant award number 04281, IARPA award number FA8750-07-2-0031, and UK Engineering and Physical Sciences Research Council (EPSRC) grant number EP/F013604/.



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