{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T04:27:36Z","timestamp":1750220856847,"version":"3.41.0"},"publisher-location":"New York, NY, USA","reference-count":32,"publisher":"ACM","license":[{"start":{"date-parts":[[2019,10,17]],"date-time":"2019-10-17T00:00:00Z","timestamp":1571270400000},"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":[[2019,10,17]]},"DOI":"10.1145\/3341215.3356310","type":"proceedings-article","created":{"date-parts":[[2019,10,22]],"date-time":"2019-10-22T13:09:38Z","timestamp":1571749778000},"page":"661-669","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":6,"title":["Using a Disjoint Skill Model for Game and Task Difficulty in Human Computation Games"],"prefix":"10.1145","author":[{"given":"Anurag","family":"Sarkar","sequence":"first","affiliation":[{"name":"Northeastern University, Boston, MA, USA"}]},{"given":"Seth","family":"Cooper","sequence":"additional","affiliation":[{"name":"Northeastern University, Boston, MA, USA"}]}],"member":"320","published-online":{"date-parts":[[2019,10,17]]},"reference":[{"key":"e_1_3_2_1_1_1","volume-title":"Albert T. Corbett, and Vincent Aleven.","author":"Ryan S.","year":"2008","unstructured":"Ryan S. J. d. Baker, Albert T. Corbett, and Vincent Aleven. 2008. More accurate student modeling through contextual estimation of slip and guess probabilities in Bayesian Knowledge Tracing. In Intelligent Tutoring Systems, Beverley P. Woolf, Esma A\u00efmeur, Roger Nkambou, and Susanne Lajoie (Eds.). Springer Berlin Heidelberg, Berlin, Heidelberg, 406--415."},{"key":"e_1_3_2_1_2_1","unstructured":"Daniel Cook. 2007. The chemistry of game design. (2007). http:\/\/www.gamasutra.com\/view\/feature\/ 1524\/the_chemistry_of_game_design.php"},{"key":"e_1_3_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/BF01099821"},{"key":"e_1_3_2_1_4_1","unstructured":"Valve Corporation. 2008. Left 4 Dead. Game. (2008)."},{"key":"e_1_3_2_1_5_1","volume-title":"Proceedings of the 2015 USENIX Summit on Gaming, Games, and Gamification in Security Education. USENIX Association, Washington, D.C.","author":"Dean Drew","year":"2015","unstructured":"Drew Dean, Sean Gaurino, Leonard Eusebi, Andrew Keplinger, Tim Pavlik, Ronald Watro, Aaron Cammarata, John Murray, Kelly McLaughlin, John Cheng, and Thomas Maddern. 2015. Lessons learned in game development for crowdsourced software formal verification. In Proceedings of the 2015 USENIX Summit on Gaming, Games, and Gamification in Security Education. USENIX Association, Washington, D.C."},{"key":"e_1_3_2_1_6_1","unstructured":"Nintendo Creative Department. 1985. Super Mario Bros. Game [NES]. (1985). Nintendo Kyoto Japan."},{"key":"e_1_3_2_1_7_1","unstructured":"Arpad E. Elo. 1978. The rating of chessplayers past and present. Arco."},{"key":"e_1_3_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1080\/02664760120059219"},{"key":"e_1_3_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1145\/3116595.3116640"},{"key":"e_1_3_2_1_10_1","doi-asserted-by":"publisher","DOI":"10.1609\/aiide.v14i1.13036"},{"key":"e_1_3_2_1_11_1","doi-asserted-by":"publisher","DOI":"10.1145\/1178477.1178573"},{"key":"e_1_3_2_1_12_1","volume-title":"Proceedings of Meaningful Play.","author":"Jamieson Peter","year":"2012","unstructured":"Peter Jamieson, Lindsay Grace, and Jack Hall. 2012. Research directions for pushing harnessing human computation to mainstream video games. In Proceedings of Meaningful Play."},{"key":"e_1_3_2_1_13_1","doi-asserted-by":"publisher","DOI":"10.1145\/1814256.1814267"},{"key":"e_1_3_2_1_14_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41586-019-1274-4"},{"key":"e_1_3_2_1_15_1","doi-asserted-by":"publisher","DOI":"10.1145\/1837885.1837893"},{"key":"e_1_3_2_1_16_1","doi-asserted-by":"publisher","DOI":"10.1145\/2556288.2557392"},{"key":"e_1_3_2_1_17_1","volume-title":"Proceedings of Educational Data Mining.","author":"Liu Yun-En","year":"2014","unstructured":"Yun-En Liu, Travis Mandel, Emma Brunskill, and Zoran Popovi\u00b4 c. 2014b. Trading off scientific knowledge and user learning with multi-armed bandits. In Proceedings of Educational Data Mining."},{"key":"e_1_3_2_1_18_1","volume-title":"Heffernan","author":"Pardos Zachary A.","year":"2011","unstructured":"Zachary A. Pardos and Neil T. Heffernan. 2011. KT-IDEM: Introducing item difficulty to the knowledge tracing model. In User Modeling, Adaption and Personalization, Joseph A. Konstan, Ricardo Conejo, Jos\u00e9 L. Marzo, and Nuria Oliver (Eds.). Springer Berlin Heidelberg, Berlin, Heidelberg, 243--254."},{"key":"e_1_3_2_1_19_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11257-016--9185--7"},{"volume-title":"Probabilistic models for some intelligence and attainment tests","author":"Rasch Georg","key":"e_1_3_2_1_20_1","unstructured":"Georg Rasch. 1960. Probabilistic models for some intelligence and attainment tests. Copenhagen, Denmark: Danish Institute for Educational Research."},{"key":"e_1_3_2_1_21_1","doi-asserted-by":"publisher","DOI":"10.1145\/3235765.3235796"},{"key":"e_1_3_2_1_22_1","doi-asserted-by":"publisher","DOI":"10.1145\/3290605.3300781"},{"key":"e_1_3_2_1_23_1","volume-title":"Proceedings of the Fifth Workshop on Experimental AI in Games.","author":"Sarkar Anurag","year":"2018","unstructured":"Anurag Sarkar, Varun Sriram, Riddhi Padte, Jeffrey Cao, and Seth Cooper. 2018. Desire-path inspired procedural placement of coins in a platformer game. In Proceedings of the Fifth Workshop on Experimental AI in Games."},{"key":"e_1_3_2_1_24_1","doi-asserted-by":"publisher","DOI":"10.1145\/3102071.3102093"},{"key":"e_1_3_2_1_25_1","doi-asserted-by":"publisher","DOI":"10.1145\/3102071.3102077"},{"key":"e_1_3_2_1_26_1","volume-title":"Proceedings of the 9th International Conference on the Foundations of Digital Games.","author":"Siu Kristin","year":"2014","unstructured":"Kristin Siu, Alexander Zook, and Mark Riedl. 2014. Collaboration versus competition: design and evaluation of mechanics for games with a purpose. In Proceedings of the 9th International Conference on the Foundations of Digital Games."},{"key":"e_1_3_2_1_27_1","doi-asserted-by":"publisher","DOI":"10.1145\/3102071.3106344"},{"key":"e_1_3_2_1_28_1","volume-title":"Proceedings of the 8th International Conference on the Foundations of Digital Games.","author":"Sturn Tobias","year":"2013","unstructured":"Tobias Sturn, Michael Wimmer, Peter Purgathofer, and Steffen Fritz. 2013. Landspotting - games for improving global land cover. In Proceedings of the 8th International Conference on the Foundations of Digital Games."},{"key":"e_1_3_2_1_29_1","volume-title":"Proceedings of the 9th International Conference on the Foundations of Digital Games.","author":"Tuite Kathleen","year":"2014","unstructured":"Kathleen Tuite. 2014. GWAPs: Games With A Problem. In Proceedings of the 9th International Conference on the Foundations of Digital Games."},{"key":"e_1_3_2_1_30_1","doi-asserted-by":"publisher","DOI":"10.1145\/985692.985733"},{"key":"e_1_3_2_1_31_1","doi-asserted-by":"publisher","DOI":"10.1145\/3025453.3025841"},{"key":"e_1_3_2_1_32_1","doi-asserted-by":"publisher","DOI":"10.5555\/3014629.3014646"}],"event":{"name":"CHI PLAY '19: The Annual Symposium on Computer-Human Interaction in Play","sponsor":["SIGCHI ACM Special Interest Group on Computer-Human Interaction"],"location":"Barcelona Spain","acronym":"CHI PLAY '19"},"container-title":["Extended Abstracts of the Annual Symposium on Computer-Human Interaction in Play Companion Extended Abstracts"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3341215.3356310","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3341215.3356310","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,17]],"date-time":"2025-06-17T23:23:25Z","timestamp":1750202605000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3341215.3356310"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,10,17]]},"references-count":32,"alternative-id":["10.1145\/3341215.3356310","10.1145\/3341215"],"URL":"https:\/\/doi.org\/10.1145\/3341215.3356310","relation":{},"subject":[],"published":{"date-parts":[[2019,10,17]]},"assertion":[{"value":"2019-10-17","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}