P. 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. Halpin and V. Presutti, An Ontology of Resources: Solving the Identity Crisis, Proceedings of European Semantic Web Conference: Research and Applications, 2009.
DOI : 10.1007/978-3-642-02121-3_39

S. Kripke, Naming and Necessity, 1980.
DOI : 10.1007/978-94-010-2557-7_9

A. Gangemi and V. Presutti, The bourne identity of a Web resource, Proceedings of Identity Reference and the Web Workshop (IRW) at the WWW Conference, 2006.

V. Presutti and A. Gangemi, Towards an OWL ontology for Identity on the Web, Semantic Web Applications and Perspectives (SWAP), 2006.

A. Gangemi and V. Presutti, A grounded ontology for identity and reference of web resources, Proceedings of I3 Workshop at WWW2007, 2007.

V. Presutti and A. Gangemi, Identity of Resources and Entities on the Web, International Journal on Semantic Web and Information Systems, vol.4, issue.2, 2008.

H. Halpin, . Thompson, and S. Henry, Web Proper Names: Naming Referents on the Web, The Semantic Computing Initiative Workshop (SEC, WWW), 2005.

F. Recanati, Direct Reference: From Language to Thought, 1993.

A. Passant, P. Laublet, J. J. Carroll, C. Bizer, P. Hayes et al., Meaning of a tag: A collaborative approach to bridge the gap between tagging and linked data Named graphs, provenance and trust, WWW Workshop on Linked Data on the Web (LDOW) Proceedings of the 14 th international Conference on World Wide Web, 2005.

F. Gandon, V. Bottolier, O. Corby, and P. Durville, RDF/XML source declaration. W3C Member Submission, 2007.
URL : https://hal.archives-ouvertes.fr/hal-01154394

A. Reinach, The A Priori Foundations of Civil Law, Aletheia, vol.3, pp.1-142, 1983.

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

S. Sen, S. K. Lam, A. Rashid, D. Cosley, D. Frankowski et al., tagging, communities, vocabulary, evolution, Proceedings of the 2006 20th anniversary conference on Computer supported cooperative work , CSCW '06, 2006.
DOI : 10.1145/1180875.1180904

P. Nasirifard, V. Peristeras, and S. Decker, An Annotation-Based Access Control Model and Tools for Collaborative Information Spaces, Proc. World Summit Emerging Technologies and information Systems For the Knowledge Society, 2008.
DOI : 10.1007/978-3-540-87781-3_6

A. Yeung, C. M. Kagal, L. Gibbins, N. Shadbolt, and N. , Providing Access Control to Online Photo Albums Based on Tags and Linked Data, AAAI Spring Symposium on Social Semantic Web: Where Web 2.0 Meets Web 3.0, 2009.

F. Limpens, A. Monnin, D. Laniado, and F. Gandon, NiceTag Ontology: tags as named graphs, Proceeding of SNI09 - Social Networks Interoperability, 1st International Workshop at the 4th Asian Semantic Web Conference, 2009.
URL : https://hal.archives-ouvertes.fr/hal-00434129

A. Monnin, F. Limpens, D. Laniado, and F. Gandon, L'ontologie NiceTag : les tags en tant que graphes nommés, Actes de l'atelier Web Social, 10ième Conférence Internationale Francophone sur l'Extraction et la Gestion des Connaissances, 2010.

Y. Ding, I. Toma, S. Kang, Z. Zhang, and M. Fried, Mediating and Analyzing Social Data, Proceedings of OTM Confederated international Conferences, 2008.
DOI : 10.1007/978-3-540-88873-4_30

H. L. Kim, S. Scerri, J. G. Breslin, S. Decker, K. et al., The state of the art in tag ontologies: a semantic model for tagging and folksonomies, Proceedings of the International Conference on Dublin Core and Metadata Applications, pp.128-137, 2008.

H. L. Kim, A. Passant, J. G. Breslin, S. Scerri, and S. Decker, Review and Alignment of Tag Ontologies for Semantically-Linked Data in Collaborative Tagging Spaces, 2008 IEEE International Conference on Semantic Computing, 2008.
DOI : 10.1109/ICSC.2008.79

A. Monnin, From Game Neverending to Flickr Tagging systems as ludic systems and their consequences, Proceedings of the WebSci'09: Society On-Line, 2009.

F. Limpens, F. Gandon, and M. Buffa, Helping online communities to semantically enrich folksonomies, Web Science Conference, Proceedings of WebSci10: Extending the Frontiers of Society On-Line, 2010.