\begin{thebibliography}{10}

\bibitem{dbpedia-info}
About dbpedia, 2009.

\bibitem{Auer:ISWC07}
S.~Auer, C.~Bizer, G.~Kobilarov, J.~Lehmann, R.~Cyganiak, and Z.~G. Ives.
\newblock {DBpedia: A Nucleus for a Web of Open Data}.
\newblock In {\em {The Semantic Web, 6th International Semantic Web Conference,
  2nd Asian Semantic Web Conference, ISWC 2007 + ASWC 2007}}, pages 722--735,
  2007.

\bibitem{beckett04turtle}
D.~Beckett.
\newblock {Turtle - Terse RDF Triple Language}.
\newblock \url{http://www.dajobe.org/2004/01/turtle/}.

\bibitem{n3logic}
T.~Berners-Lee, D.~Connolly, L.~Kagal, Y.~Scharf, and J.~Hendler.
\newblock N3logic: A logical framework for the world wide web.
\newblock {\em Journal of Theory and Practice of Logic Programming}, 2007.

\bibitem{cwm}
T.~Berners-Lee and D.~Connoly.
\newblock {Turtle - Terse RDF Triple Language}.
\newblock \url{http://www.w3.org/2000/10/swap/doc/cwm.html}.

\bibitem{semweb}
T.~Berners-Lee, J.~Hendler, and O.~Lassila.
\newblock {The Semantic Web}.
\newblock
  \url{http://www.scientificamerican.com/article.cfm?id=the-semantic-web}.

\bibitem{sparql-protocol}
K.~G. Clark, L.~Feigenbaum, and E.~T. (editors).
\newblock {SPARQL} protocol language for {RDF}, w3c recommendation 15 january
  2008.

\bibitem{pml}
P.~P. da~Silva, D.~L. McGuinness, and R.~Fikes.
\newblock A proof markup language for semantic web services.
\newblock {\em Information Systems}, 31(4-5):381 -- 395, 2006.
\newblock The Semantic Web and Web Services.

\bibitem{foaf}
{Dan Brickley and Libby Miller}.
\newblock {FOAF Vocabulary Specification}.

\bibitem{rdf}
{Dave Beckett and Brian McBride}.
\newblock {RDF - Resource Description Framework}.

\bibitem{yars2}
A.~Harth, J.~Umbrich, A.~Hogan, and S.~Decker.
\newblock Yars2: A federated repository for querying graph structured data from
  the web.
\newblock In {\em 6th International and 2nd Asian Semantic Web Conference
  (ISWC2007+ASWC2007)}, pages 211--224, November 2007.

\bibitem{air}
L.~Kagal, C.~Hanson, and D.~Weitzner.
\newblock Using dependency tracking to provide explanations for policy
  management.
\newblock {\em IEEE Policy 2008}, 2008.

\bibitem{slides}
{KangHao Lu}.
\newblock {Slides on this project presented at the Cambridge Semantic Web
  Meeting on 9 June 2009}.
\newblock \url{http://dig.csail.mit.edu/2009/Talks/0609-tmsweb-kennyluck/}.

\bibitem{lewis-2003}
B.~Lewis.
\newblock Debugging backwards in time, 2003.

\bibitem{mcguinness04iw}
D.~L. Mcguinness and P.~Pinheiro.
\newblock {Explaining Answers from the Semantic Web: the Inference Web
  Approach}.
\newblock {\em Web Semantics: Science, Services and Agents on the World Wide
  Web}, 1(4):397--413, October 2004.

\bibitem{sparql}
E.~Prud�hommeaux and A.~S. (editors).
\newblock {SPARQL} query language for {RDF}, w3c recommendation 15 january
  2008.

\bibitem{darq}
B.~Quilitz and U.~Leser.
\newblock Querying distributed rdf data sources with sparql.
\newblock In {\em 5th European Semantic Web Conference (ESWC2008)}, pages
  524--538, June 2008.

\bibitem{simon}
S.~Schenk and S.~Staab.
\newblock Networked graphs: A declarative mechanism for sparql rules, sparql
  views and rdf data integration on the web.
\newblock In {\em 17th International World Wide Web Conference (WWW2008)},
  pages 585--594, April 2008.

\bibitem{sparql-update}
A.~Seaborne and G.~Manjunath.
\newblock {SPARQL/Update} a language for updating rdf graphs.

\bibitem{tab}
{Tim Berners-Lee and James Hollenbach and Kanghao Lu and Joe Presbrey and Eric
  Prud'ommeaux and mc schraefel}.
\newblock {Tabulator Redux: Browing and Writing Linked Data }.
\newblock In {\em {Linked Data on the Web Workshop at WWW08}}, 2008.

\bibitem{JunZhao03012009}
J.~Zhao, A.~Miles, G.~Klyne, and D.~Shotton.
\newblock {Linked data and provenance in biological data webs}.
\newblock {\em Brief Bioinform}, 10(2):139--152, 2009.

\end{thebibliography}
