J. J. Carroll, C. Bizer, P. Hayes, and P. Stickler, Named graphs, provenance and trust, Proceedings of the 14th international conference on World Wide Web , WWW '05, pp.613-622, 2005.
DOI : 10.1145/1060745.1060835

URL : http://citeseerx.ist.psu.edu/viewdoc/download?doi=

F. Gandon, V. Bottolier, O. Corby, P. Et, and . Durville, RDF/XML source declaration, w3c member submission, 2007.

S. A. Golder and B. A. Huberman, Usage patterns of collaborative tagging systems, Journal of Information Science, vol.32, issue.2, pp.198-208, 2006.
DOI : 10.1177/0165551506062337

H. Halpin and V. Presutti, An Ontology of Resources: Solving the Identity Crisis, LNCS, vol.5554, pp.521-534, 2009.
DOI : 10.1007/978-3-642-02121-3_39

P. J. Hayes and H. Halpin, In Defense of Ambiguity, International Journal on Semantic Web and Information Systems, vol.4, issue.2, pp.1-18, 2008.
DOI : 10.4018/jswis.2008040101

H. Kim, S. Scerri, J. Breslin, S. Decker, and H. Kim, The state of the art in tag ontologies: A semantic model for tagging and folksonomies, 2008.

M. E. Kipp, @toread and cool: Subjective, affective and associative factors in tag- ging, 2008.

A. Passant and P. Laublet, Meaning of a tag: A collaborative approach to bridge the gap between tagging and linked data, Proceedings of the WWW 2008 Workshop Linked Data on the Web (LDOW2008), 2008.

C. Wolff, M. Heckner, and S. Mühlbacher, Tagging tagging. Analysing user keywords in scientific bibliography management systems, Journal of Digital Informaton, vol.9, p.27, 2008.