M. Abu-ata and F. F. Dragan, Metric tree-like structures in real-world networks: an empirical study, Networks, vol.18, issue.1, pp.49-68, 2016.
DOI : 10.1038/30918

A. B. Adcock, B. D. Sullivan, and M. W. Mahoney, Tree-Like Structure in Large Social and Information Networks, 2013 IEEE 13th International Conference on Data Mining, pp.1-10, 2013.
DOI : 10.1109/ICDM.2013.77

N. Alon, Piercing d -Intervals, Discrete & Computational Geometry, vol.19, issue.3, pp.333-334, 1998.
DOI : 10.1007/PL00009349

N. Alon, Covering a hypergraph of subgraphs, Discrete Mathematics, vol.257, issue.2-3, pp.249-254, 2002.
DOI : 10.1016/S0012-365X(02)00427-2

J. M. Alonso, T. Brady, D. Cooper, V. Ferlini, M. Lustig et al., Notes on word hyperbolic groups, Group Theory from a Geometrical Viewpoint, World Scientific, pp.3-63, 1990.

N. Aronszajn and P. Panitchpakdi, Extension of uniformly continuous transformations and hyperconvex metric spaces, Pacific Journal of Mathematics, vol.6, issue.3, pp.405-439, 1956.
DOI : 10.2140/pjm.1956.6.405

A. L. Barabási and R. Albert, Emergence of scaling in random networks, Science, vol.286, pp.509-512, 1999.

A. L. Barabási, R. Albert, and H. Jeong, Scale-free characteristics of random networks: the topology of the world-wide web, Physica A: Statistical Mechanics and its Applications, vol.281, issue.1-4, pp.281-69, 2000.
DOI : 10.1016/S0378-4371(00)00018-2

M. Boguñá, D. Krioukov, and K. C. Claffy, Navigability of complex networks, Nature Physics, vol.101, issue.1, pp.74-80, 2009.
DOI : 10.1038/nphys1130

M. R. Bridson and A. Haefiger, Metric spaces of non?positive curvature, Grundlehren der Mathematischen Wissenschaften [Fundamental Principles of, Mathematical Sciences], vol.319, 1999.

J. Chalopin, V. Chepoi, P. Papasoglu, and T. Pecatte, Cop and Robber Game and Hyperbolicity, SIAM Journal on Discrete Mathematics, vol.28, issue.4, pp.1987-2007, 2014.
DOI : 10.1137/130941328

URL : https://hal.archives-ouvertes.fr/hal-01198887

W. Chen, W. Fang, G. Hu, and M. W. Mahoney, On the Hyperbolicity of Small-World and Tree-Like Random Graphs, pp.278-288, 2012.
DOI : 10.1007/978-3-642-35261-4_31

V. Chepoi, F. F. Dragan, B. Estellon, M. Habib, and Y. Vaxès, Diameters, centers, and approximating trees of ?-hyperbolic geodesic spaces and graphs, Symposuium on Computational Geometry, pp.59-68, 2008.

V. Chepoi and B. Estellon, Packing and covering delta-hyperbolic spaces by balls, APPROX- RANDOM, pp.59-73, 2007.
DOI : 10.1007/978-3-540-74208-1_5

URL : http://www.lif-sud.univ-mrs.fr/~chepoi/delta_hyperbolic.pdf

F. R. Chung and L. Lu, The Average Distance in a Random Graph with Given Expected Degrees, Internet Mathematics, vol.1, issue.1, pp.91-113, 2003.
DOI : 10.1080/15427951.2004.10129081

A. Dress, V. Moulton, and W. Terhalle, T-theory: An Overview, European Journal of Combinatorics, vol.17, issue.2-3, pp.161-175, 1996.
DOI : 10.1006/eujc.1996.0015

URL : https://doi.org/10.1006/eujc.1996.0015

M. Faloutsos, P. Faloutsos, and C. Faloutsos, On power-law relationships of the internet topology, pp.251-262, 1999.

M. Gromov, Hyperbolic Groups, Math. Sci. Res. Inst. Publ, vol.8, pp.75-263, 1987.
DOI : 10.1007/978-1-4613-9586-7_3

C. Hruska and D. Wise, Packing subgroups in relatively hyperbolic groups, Geometry & Topology, vol.179, issue.4, pp.1945-1988, 2009.
DOI : 10.1006/jabr.1996.6884

J. R. Isbell, Six theorems about injective metric spaces, Commentarii Mathematici Helvetici, vol.39, issue.1, pp.65-76, 1964.
DOI : 10.1007/BF02566944

E. Jawhari, D. Misane, and M. Pouzet, Retracts: graphs and ordered sets from the metric point of view, Contemp. Math, vol.56, pp.175-225, 1986.
DOI : 10.1090/conm/057/856237

E. A. Jonckheere, M. Lou, F. Bonahon, and Y. Baryshnikov, Euclidean versus Hyperbolic Congestion in Idealized versus Experimental Networks, Internet Mathematics, vol.7, issue.1, pp.1-27, 2011.
DOI : 10.1080/15427951.2010.554320

W. S. Kennedy, O. Narayan, and I. Saniee, On the Hyperbolicity of Large-Scale Networks ArXiv e-prints, 2013.

J. M. Kleinberg, The small-world phenomenon, Proceedings of the thirty-second annual ACM symposium on Theory of computing , STOC '00, pp.163-170, 2000.
DOI : 10.1145/335305.335325

J. M. Kleinberg, Small-world phenomena and the dynamics of information, pp.431-438, 2001.

U. Lang, INJECTIVE HULLS OF CERTAIN DISCRETE METRIC SPACES AND GROUPS, Journal of Topology and Analysis, vol.11, issue.03, pp.297-331, 2013.
DOI : 10.1007/s00039-005-0515-x

J. Leskovec, K. J. Lang, A. Dasgupta, and M. W. Mahoney, Community Structure in Large Networks: Natural Cluster Sizes and the Absence of Large Well-Defined Clusters, Internet Mathematics, vol.6, issue.1, pp.29-123, 2009.
DOI : 10.1080/15427951.2009.10129177

F. De-montgolfier, M. Soto, and L. Viennot, Treewidth and Hyperbolicity of the Internet, 2011 IEEE 10th International Symposium on Network Computing and Applications, pp.25-32, 2011.
DOI : 10.1109/NCA.2011.11

URL : https://hal.archives-ouvertes.fr/hal-00909736

O. Narayan and I. Saniee, Large-scale curvature of networks, Physical Review E, vol.6, issue.6, p.66108, 2011.
DOI : 10.1145/141800.141805

G. Niblo and L. Reeves, Coxeter Groups act on CAT(0) cube complexes, Journal of Group Theory, vol.126, issue.3, pp.399-413, 2003.
DOI : 10.1515/jgth.2003.028

E. Pesch, Retracts of Graphs, 1988.

M. Sageev, Codimension-1 Subgroups and Splittings of Groups, Journal of Algebra, vol.189, issue.2, pp.377-389, 1997.
DOI : 10.1006/jabr.1996.6884

Y. Shavitt and T. Tankel, Hyperbolic Embedding of Internet Graph for Distance Estimation and Overlay Construction, IEEE/ACM Transactions on Networking, vol.16, issue.1, pp.25-36, 2008.
DOI : 10.1109/TNET.2007.899021

D. Watts and S. Strogatz, Collective dynamics of ???small-world??? networks, Nature, vol.338, issue.2, pp.440-442, 1998.
DOI : 10.1038/338334a0