E. Chan, T. Brewer, L. Madoff, M. Pollack, and A. Sonricker, Global capacity for emerging infectious disease detection, Proceedings of the National Academy of Sciences, vol.36, issue.6, pp.21701-21706, 2010.
DOI : 10.1016/j.arcmed.2005.06.005
URL : http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3003006

D. Heymann and G. Rodier, Hot spots in a wired world: WHO surveillance of emerging and re-emerging infectious diseases, The Lancet Infectious Diseases, vol.1, issue.5, pp.345-353, 2001.
DOI : 10.1016/S1473-3099(01)00148-7

S. Morse, Global Infectious Disease Surveillance And Health Intelligence, Health Affairs, vol.26, issue.4, pp.1069-1077, 2007.
DOI : 10.1377/hlthaff.26.4.1069

P. Formenty, C. Roth, F. Gonzalez-martin, T. Grein, and M. Ryan, Les pathog?nes ?mergents, la?veille internationale et?le?R?glement sanitaire international (2005), M?decine et Maladies Infectieuses, vol.36, issue.1, pp.9-15, 2005.
DOI : 10.1016/j.medmal.2005.06.009

L. Madoff, ProMED-mail: an early warning system for emerging diseases, Clin Infect Dis, vol.39, pp.227-232, 2004.

J. Brownstein and C. Freifeld, HealthMap: the development of automated real-time internet surveillance for epidemic intelligence, Euro Surveill, vol.12, 2007.

N. Collier, S. Doan, A. Kawazoe, R. Goodwin, and M. Conway, BioCaster: detecting public health rumors with a Web-based text mining system, Bioinformatics, vol.24, issue.24, pp.2940-2941, 2008.
DOI : 10.1093/bioinformatics/btn534
URL : http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2639299

M. Keller, M. Blench, H. Tolentino, C. Freifeld, and K. Mandl, Use of Unstructured Event-Based Reports for Global Infectious Disease Surveillance, Emerging Infectious Diseases, vol.15, issue.5, pp.689-695, 2009.
DOI : 10.3201/eid1505.081114

J. Linge, R. Steinberger, T. Weber, R. Yangarber, and E. Van-der-gott, Internet surveillance systems for early alerting of health threats Available: http://www.eurosurveillance.org/ViewArticle.aspx?ArticleId=19162, Euro Surveill, vol.14, 2009.

P. Bohigas, S. Connor, F. Coulombier, and D. , Epidemic intelligence and travel-related diseases: ECDC experience and further developments, Clinical Microbiology and Infection, vol.15, issue.8, pp.734-739, 2009.
DOI : 10.1111/j.1469-0691.2009.02875.x
URL : http://doi.org/10.1111/j.1469-0691.2009.02875.x

M. Dente, M. Fabiani, R. Gnesotto, G. Putoto, and C. Montagna, EpiSouth: a network for communicable disease control in the Mediterranean region and the Balkans Available: http://www. eurosurveillance.org/ViewArticle.aspx?ArticleId=19113, Euro Surveill, vol.14, 2009.

R. Kaiser and D. Coulombier, Different approaches to gathering epidemic intelligence in Europe, Euro Surveill, vol.11, 2006.

B. Rotureau, P. Barboza, A. Tarantola, and C. Paquet, International Epidemic Intelligence at the Institut de Veille Sanitaire, France, Emerging Infectious Diseases, vol.13, issue.10, pp.1590-1592, 2007.
DOI : 10.3201/eid1310.070522
URL : http://doi.org/10.3201/eid1310.070522

H. Chanlekha and N. Collier, A methodology to enhance spatial understanding of disease outbreak events reported in news articles, International Journal of Medical Informatics, vol.79, issue.4, pp.284-296, 2010.
DOI : 10.1016/j.ijmedinf.2010.01.014

N. Collier, What's unusual in online disease outbreak news?, Journal of Biomedical Semantics, vol.1, issue.1, 2010.
DOI : 10.1186/2041-1480-1-2
URL : http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2895732

L. Madoff and J. Woodall, The Internet and the Global Monitoring of Emerging Diseases: Lessons from the First 10 Years of ProMED-mail, Archives of Medical Research, vol.36, issue.6, pp.724-730, 2005.
DOI : 10.1016/j.arcmed.2005.06.005

V. Etter, P. Huttunen, S. Vihavainen, A. Vuorinen, M. Yangarber et al., Assessment of Utility in Web Mining for the Domain of Public Health, pp.29-37, 2010.

A. Lyon, M. Nunn, G. Grossel, and M. Burgman, Comparison of Web-Based Biosecurity Intelligence Systems: BioCaster, EpiSPIDER and HealthMap, Transboundary and Emerging Diseases, vol.180, issue.3, pp.223-232, 2012.
DOI : 10.1111/j.1865-1682.2011.01258.x

D. Hartley, N. Nelson, R. Walters, R. Arthur, and R. Yangarber, The Landscape of International Event-based Biosurveillance. Emerging Health Threats Journal 3, 2010.

J. Brownstein, C. Freifeld, B. Reis, and K. Mandl, HealthMap: Internetbased emerging infectious disease intelligence In: Global Infectious Disease Surveillance and Detection: Assessing the Challenges ? Finding Solutions, Workshop Summary, pp.122-136, 2007.

P. Cowen, T. Garland, H. , M. Shimshony, A. Handysides et al., Evaluation of ProMED-mail as an electronic early warning system for emerging animal diseases: 1996 to 2004, Journal of the American Veterinary Medical Association, vol.229, issue.7, pp.1090-1099, 2006.
DOI : 10.2460/javma.229.7.1090

J. Woodall, Global surveillance of emerging diseases: the ProMED-mail perspective, Cadernos de Sa?de P?blica, vol.112, issue.suppl, pp.147-154, 2001.
DOI : 10.1016/S0140-6736(05)64039-1

Z. Zhang, D. Chen, Y. Chen, W. Liu, and L. Wang, Spatio-Temporal Data Comparisons for Global Highly Pathogenic Avian Influenza (HPAI) H5N1 Outbreaks, PLoS ONE, vol.4, issue.12, p.15314, 2010.
DOI : 10.1371/journal.pone.0015314.t001
URL : http://doi.org/10.1371/journal.pone.0015314

M. Conway, A. Kawazoe, H. Chanlekha, and N. Collier, Developing a Disease Outbreak Event Corpus, Journal of Medical Internet Research, vol.12, issue.3, 2010.
DOI : 10.2196/jmir.1323
URL : http://doi.org/10.2196/jmir.1323

M. Zeldenrust, J. Rahamat-langendoen, M. Postma, and J. Van-vliet, The value of ProMED-mail for the Early Warning Committee in the Netherlands: more specific approach recommended Available: http://www. eurosurveillance.org/ViewArticle.aspx?ArticleId=8033, Euro Surveill, vol.13, 2008.

K. Wilson and J. Brownstein, Early detection of disease outbreaks using the Internet, Canadian Medical Association Journal, vol.180, issue.8, pp.829-831, 2009.
DOI : 10.1503/cmaj.1090215

N. Nelson, J. Brownstein, and D. Hartley, Event-based biosurveillance of respiratory disease in Mexico: connection to the 2009 influenza A(H1N1) pandemic? Available: http://www.eurosurveillance. org/ViewArticle.aspx?ArticleId=19626, Euro Surveill, vol.15, 2007.

C. Thomas, N. Nelson, G. Jahn, T. Niu, and D. Hartley, Use of media and public-domain Internet sources for detection and assessment of plant health threats, Emerging Health Threats Journal, vol.4, 2011.

M. Torii, L. Yin, T. Nguyen, C. Mazumdar, and H. Liu, An exploratory study of a text classification framework for Internet-based surveillance of emerging epidemics, International Journal of Medical Informatics, vol.80, issue.1, pp.56-66, 2011.
DOI : 10.1016/j.ijmedinf.2010.10.015

N. Collier, Towards cross-lingual alerting for bursty epidemic events, Journal of Biomedical Semantics, vol.2, issue.Suppl 5, 2011.
DOI : 10.3201/eid1504.080616
URL : http://doi.org/10.1186/2041-1480-2-s5-s10

A. Mawudeku and M. Blench, Global Public Health Intelligence Network (GPHIN), 2008.
DOI : 10.1002/9780470692097.ch23

J. Brownstein, C. Freifeld, B. Reis, and K. Mandl, Surveillance Sans Fronti?res: Internet-Based Emerging Infectious Disease Intelligence and the HealthMap Project, PLoS Medicine, vol.2, issue.7, p.151, 2008.
DOI : 10.1371/journal.pmed.0050151.t001
URL : http://doi.org/10.1371/journal.pmed.0050151

C. Freifeld, K. Mandl, B. Reis, and J. Brownstein, HealthMap: Global Infectious Disease Monitoring through Automated Classification and Visualization of Internet Media Reports, Journal of the American Medical Informatics Association, vol.15, issue.2, pp.150-157, 2008.
DOI : 10.1197/jamia.M2544
URL : http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2274789

A. Rortais, J. Belyaeva, M. Gemo, G. Van-der, and J. Linge, MedISys: An early-warning system for the detection of (re-)emerging food- and feed-borne hazards, Food Research International, vol.43, issue.5, pp.1553-1556, 2012.
DOI : 10.1016/j.foodres.2010.04.009

R. Steinberger, F. Fuart, E. Van-der-gott, C. Best, V. Etter et al., Text Mining from the Web for Medical Intelligence, Mining Massive Data Sets for Security, pp.295-310, 2008.

R. Grishman, S. Huttunen, and R. Yangarber, Information extraction for enhanced access to disease outbreak reports, Journal of Biomedical Informatics, vol.35, issue.4, pp.236-246, 2002.
DOI : 10.1016/S1532-0464(03)00013-3
URL : http://doi.org/10.1016/s1532-0464(03)00013-3

R. Yangarber, C. Best, V. Etter, P. Fuart, F. Horby et al., Combining Information about Epidemic Threats from Multiple Sources, pp.295-310, 2006.

N. Nelson, L. Yang, A. Reilly, J. Hardin, and D. Hartley, Event-based internet biosurveillance: relation to epidemiological observation, Emerging Themes in Epidemiology, vol.9, issue.1, 2012.
DOI : 10.1056/NEJMsr1002707
URL : http://doi.org/10.1186/1742-7622-9-4