{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,19]],"date-time":"2025-06-19T04:24:55Z","timestamp":1750307095494,"version":"3.41.0"},"publisher-location":"New York, NY, USA","reference-count":29,"publisher":"ACM","license":[{"start":{"date-parts":[[2012,10,15]],"date-time":"2012-10-15T00:00:00Z","timestamp":1350259200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2012,10,15]]},"DOI":"10.1145\/2381966.2381984","type":"proceedings-article","created":{"date-parts":[[2012,10,15]],"date-time":"2012-10-15T17:13:12Z","timestamp":1350321192000},"page":"129-140","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":5,"title":["For human eyes only"],"prefix":"10.1145","author":[{"given":"Andreas","family":"Pashalidis","sequence":"first","affiliation":[{"name":"KU Leuven, Heverlee, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nikos","family":"Mavrogiannopoulos","sequence":"additional","affiliation":[{"name":"KU Leuven, Heverlee, Belgium"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xavier","family":"Ferrer","sequence":"additional","affiliation":[{"name":"Universitat Aut\u00f2noma de Barcelona, Bellatera, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Be\u00f1at","family":"Bermejo Olaizola","sequence":"additional","affiliation":[{"name":"Universidad del Pais Vasco, San Sebasti\u00e1n, Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2012,10,15]]},"reference":[{"key":"e_1_3_2_1_1_1","volume-title":"no 105-304, 112 Stat","author":"Millennium Copyright Act The Digital","year":"1998","unstructured":"The Digital Millennium Copyright Act . Pub. L. no 105-304, 112 Stat 2860, Oct. 1998 . The Digital Millennium Copyright Act. Pub. L. no 105-304, 112 Stat 2860, Oct. 1998."},{"key":"e_1_3_2_1_2_1","volume-title":"School of Computer Science","author":"Ahmad A. S. E.","year":"2011","unstructured":"A. S. E. Ahmad , J. Yan , and M. Tayara . The robustness of google CAPTCHAs. Technical report , School of Computer Science , Newcastle University , UK , May 2011 . A. S. E. Ahmad, J. Yan, and M. Tayara. The robustness of google CAPTCHAs. Technical report, School of Computer Science, Newcastle University, UK, May 2011."},{"key":"e_1_3_2_1_3_1","series-title":"Lecture Notes in Computer Science","first-page":"15","volume-title":"Privacy Enhancing Technologies - 2011st International Symposium, PETS","author":"Beato F.","year":"2011","unstructured":"F. Beato , M. Kohlweiss , and K. Wouters . Scramble! your social network data . In S. Fischer-Huebner and N. J. Hopper, editors, Privacy Enhancing Technologies - 2011st International Symposium, PETS 2011 , volume 6794 of Lecture Notes in Computer Science , page 15 , Waterloo,ON,CA, 2011. Springer-Verlag . F. Beato, M. Kohlweiss, and K. Wouters. Scramble! your social network data. In S. Fischer-Huebner and N. J. Hopper, editors, Privacy Enhancing Technologies - 2011st International Symposium, PETS 2011, volume 6794 of Lecture Notes in Computer Science, page 15, Waterloo,ON,CA, 2011. Springer-Verlag."},{"key":"e_1_3_2_1_4_1","first-page":"109","volume-title":"Proceedings of the fifth international conference on emerging security information, systems and technologies (SECURWARE 2011","author":"Besenyei T.","year":"2011","unstructured":"T. Besenyei , \u00c1d\u00e1m M\u00e1t\u00e9 F\u00f6ldes , G. G. Guly\u00e1s , and S. Imre . StegoWeb: Towards the ideal private web content publishing tool . In Proceedings of the fifth international conference on emerging security information, systems and technologies (SECURWARE 2011 ), pages 109 -- 114 . IARIA, 2011 . T. Besenyei, \u00c1d\u00e1m M\u00e1t\u00e9 F\u00f6ldes, G. G. Guly\u00e1s, and S. Imre. StegoWeb: Towards the ideal private web content publishing tool. In Proceedings of the fifth international conference on emerging security information, systems and technologies (SECURWARE 2011), pages 109--114. IARIA, 2011."},{"key":"e_1_3_2_1_5_1","volume-title":"Inc.","author":"Bishop C. M.","year":"2006","unstructured":"C. M. Bishop . Pattern Recognition and Machine Learning (Information Science and Statistics). Springer-Verlag New York , Inc. , Secaucus, NJ, USA , 2006 . C. M. Bishop. Pattern Recognition and Machine Learning (Information Science and Statistics). Springer-Verlag New York, Inc., Secaucus, NJ, USA, 2006."},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_6_1","DOI":"10.1145\/2046707.2046724"},{"key":"e_1_3_2_1_7_1","volume-title":"CEAS 2005 - Second Conference on Email and Anti-Spam","author":"Chellapilla K.","year":"2005","unstructured":"K. Chellapilla , K. Larson , P. Y. Simard , and M. Czerwinski . Computers beat humans at single character recognition in reading based human interaction proofs (HIPs) . In CEAS 2005 - Second Conference on Email and Anti-Spam , July 21-22, 2005 , Stanford University, California, USA , 2005. K. Chellapilla, K. Larson, P. Y. Simard, and M. Czerwinski. Computers beat humans at single character recognition in reading based human interaction proofs (HIPs). In CEAS 2005 - Second Conference on Email and Anti-Spam, July 21-22, 2005, Stanford University, California, USA, 2005."},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_8_1","DOI":"10.1016\/j.patrec.2005.10.010"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_9_1","DOI":"10.1145\/1572532.1572585"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_10_1","DOI":"10.1145\/1397735.1397747"},{"key":"e_1_3_2_1_11_1","volume-title":"Nonparametric Statistical Methods","author":"Hollander M.","year":"1999","unstructured":"M. Hollander and D. A. Wolfe . Nonparametric Statistical Methods , 2 nd Edition. Wiley , Jan. 1999 . M. Hollander and D. A. Wolfe. Nonparametric Statistical Methods, 2nd Edition. Wiley, Jan. 1999.","edition":"2"},{"key":"e_1_3_2_1_12_1","series-title":"Chapter 4","volume-title":"Muslimische Lebenswelten im Kontext: muslimische Internetforen und Fokusgruppen mit jungen Muslimen","author":"Holtz P.","unstructured":"P. Holtz and W. Wagner . Muslimische Lebenswelten im Kontext: muslimische Internetforen und Fokusgruppen mit jungen Muslimen ( Chapter 4 ). http:\/\/www.bmi.bund.de\/SharedDocs\/Downloads\/DE\/Broschueren\/2012\/junge_muslime.pdf, last accessed on March 1st, 2012, Bundesministerium des Innern, Alt-Moabit 101 D, 10559 Berlin. P. Holtz and W. Wagner. Muslimische Lebenswelten im Kontext: muslimische Internetforen und Fokusgruppen mit jungen Muslimen (Chapter 4). http:\/\/www.bmi.bund.de\/SharedDocs\/Downloads\/DE\/Broschueren\/2012\/junge_muslime.pdf, last accessed on March 1st, 2012, Bundesministerium des Innern, Alt-Moabit 101 D, 10559 Berlin."},{"key":"e_1_3_2_1_13_1","volume-title":"Perception, & Psychophysics, 19:92--102","author":"Jennings C. W. J.","year":"1976","unstructured":"C. W. J. Jennings . Speed-accuracy tradeoff functions in choice reaction time: Experimental designs and computational procedures. Attention , Perception, & Psychophysics, 19:92--102 , 1976 . C. W. J. Jennings. Speed-accuracy tradeoff functions in choice reaction time: Experimental designs and computational procedures. Attention, Perception, & Psychophysics, 19:92--102, 1976."},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_14_1","DOI":"10.1145\/1572532.1572574"},{"key":"e_1_3_2_1_15_1","volume-title":"Pearson","author":"Larsen R. J.","year":"2012","unstructured":"R. J. Larsen and M. L. Marx . An introduction to mathematical statistics and its applications . Pearson , 2012 . R. J. Larsen and M. L. Marx. An introduction to mathematical statistics and its applications. Pearson, 2012."},{"issue":"8","key":"e_1_3_2_1_16_1","first-page":"707","article-title":"Binary Codes Capable of Correcting Deletions","volume":"10","author":"Levenshtein V. I.","year":"1966","unstructured":"V. I. Levenshtein . Binary Codes Capable of Correcting Deletions , Insertions and Reversals. Soviet Physics Doklady , 10 ( 8 ): 707 -- 710 , 1966 . V. I. Levenshtein. Binary Codes Capable of Correcting Deletions, Insertions and Reversals. Soviet Physics Doklady, 10(8):707--710, 1966.","journal-title":"Insertions and Reversals. Soviet Physics Doklady"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_17_1","DOI":"10.1145\/1920261.1920288"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_18_1","DOI":"10.1109\/TPAMI.2007.1078"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_19_1","DOI":"10.1145\/1866919.1866929"},{"key":"e_1_3_2_1_20_1","first-page":"435","volume-title":"19th USENIX Security Symposium","author":"Motoyama M.","year":"2010","unstructured":"M. Motoyama , K. Levchenko , C. Kanich , D. McCoy , G. M. Voelker , and S. Savage . Re: CAPTCHAs-Understanding CAPTCHA-Solving Services in an Economic Context . In 19th USENIX Security Symposium , Washington, DC, USA , August 11-13, 2010 , Proceedings, pages 435 -- 462 . USENIX Association, 2010. M. Motoyama, K. Levchenko, C. Kanich, D. McCoy, G. M. Voelker, and S. Savage. Re: CAPTCHAs-Understanding CAPTCHA-Solving Services in an Economic Context. In 19th USENIX Security Symposium, Washington, DC, USA, August 11-13, 2010, Proceedings, pages 435--462. USENIX Association, 2010."},{"key":"e_1_3_2_1_21_1","volume-title":"KU Leuven","author":"Pashalidis A.","year":"2012","unstructured":"A. Pashalidis , N. Mavrogiannopoulos , X. Ferrer , and B. Bermejo Olaizola . For Human Eyes Only: Security and Usability Evaluation. COSIC internal report 2258 , KU Leuven , 2012 . A. Pashalidis, N. Mavrogiannopoulos, X. Ferrer, and B. Bermejo Olaizola. For Human Eyes Only: Security and Usability Evaluation. COSIC internal report 2258, KU Leuven, 2012."},{"key":"e_1_3_2_1_22_1","volume-title":"Representing response-time information in item banks","author":"Schnipke D. L.","year":"1999","unstructured":"D. L. Schnipke and D. J. Scrams . Representing response-time information in item banks . Law School Admission Council , 1999 . D. L. Schnipke and D. J. Scrams. Representing response-time information in item banks. Law School Admission Council, 1999."},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_23_1","DOI":"10.5244\/C.12.31"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_24_1","DOI":"10.1146\/annurev.psych.57.102904.190048"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_25_1","DOI":"10.5555\/1304596.1304846"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_26_1","DOI":"10.1145\/1577802.1577804"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_28_1","DOI":"10.3102\/10769986031002181"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_29_1","DOI":"10.1007\/978-1-4757-2691-6"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_30_1","DOI":"10.1145\/1455770.1455839"}],"event":{"sponsor":["SIGSAC ACM Special Interest Group on Security, Audit, and Control"],"acronym":"CCS'12","name":"CCS'12: the ACM Conference on Computer and Communications Security","location":"Raleigh North Carolina USA"},"container-title":["Proceedings of the 2012 ACM workshop on Privacy in the electronic society"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2381966.2381984","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/2381966.2381984","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T09:34:41Z","timestamp":1750239281000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2381966.2381984"}},"subtitle":["security and usability evaluation"],"short-title":[],"issued":{"date-parts":[[2012,10,15]]},"references-count":29,"alternative-id":["10.1145\/2381966.2381984","10.1145\/2381966"],"URL":"https:\/\/doi.org\/10.1145\/2381966.2381984","relation":{},"subject":[],"published":{"date-parts":[[2012,10,15]]},"assertion":[{"value":"2012-10-15","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}