{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,24]],"date-time":"2026-02-24T16:26:15Z","timestamp":1771950375156,"version":"3.50.1"},"publisher-location":"New York, NY, USA","reference-count":29,"publisher":"ACM","license":[{"start":{"date-parts":[[2021,10,17]],"date-time":"2021-10-17T00:00:00Z","timestamp":1634428800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"funder":[{"name":"US Department of Transportation, Pacific Northwest Regional University Transportation Center","award":["69A3551747110"],"award-info":[{"award-number":["69A3551747110"]}]}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2021,10,17]]},"DOI":"10.1145\/3441852.3476549","type":"proceedings-article","created":{"date-parts":[[2021,10,17]],"date-time":"2021-10-17T18:53:21Z","timestamp":1634496801000},"page":"1-5","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":9,"title":["Experimental Crowd+AI Approaches to Track Accessibility Features in Sidewalk Intersections Over Time"],"prefix":"10.1145","author":[{"given":"Ather","family":"Sharif","sequence":"first","affiliation":[{"name":"Paul G. Allen School of Computer Science and Engineering University of Washington, United States"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paari","family":"Gopal","sequence":"additional","affiliation":[{"name":"Allen School of Computer Science and Engineering University of Washington, United States"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michael","family":"Saugstad","sequence":"additional","affiliation":[{"name":"Allen School of Computer Science and Engineering University of Washington, United States"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shiven","family":"Bhatt","sequence":"additional","affiliation":[{"name":"Allen School of Computer Science and Engineering University of Washington, United States"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Raymond","family":"Fok","sequence":"additional","affiliation":[{"name":"Paul G. Allen School of Computer Science &amp; Engineering University of Washington, United States"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Galen","family":"Weld","sequence":"additional","affiliation":[{"name":"Paul G. Allen School of Computer Science and Engineering University of Washington, United States"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kavi","family":"Asher Mankoff Dey","sequence":"additional","affiliation":[{"name":"Seattle Academy High School, United States"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jon","family":"E. Froehlich","sequence":"additional","affiliation":[{"name":"Paul G. Allen School of Computer Science &amp; Engineering University of Washington, United States"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2021,10,17]]},"reference":[{"key":"e_1_3_2_2_1_1","unstructured":"United States Department of Justice Civil Rights Division Ada.gov. Introduction to the ADA."},{"key":"e_1_3_2_2_2_1","doi-asserted-by":"publisher","DOI":"10.1145\/2700648.2809847"},{"key":"e_1_3_2_2_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10514-018-9734-5"},{"key":"e_1_3_2_2_4_1","doi-asserted-by":"publisher","DOI":"10.1145\/3290605.3300233"},{"key":"e_1_3_2_2_5_1","volume-title":"Asian Conference on Computer Vision, 420\u2013435","author":"Chen Kuan-Ting","year":"2016","unstructured":"Kuan-Ting Chen, Fu-En Wang, Juan-Ting Lin, Fu-Hsiang Chan, and Min Sun. 2016. The world is changing: Finding changes on the street. In Asian Conference on Computer Vision, 420\u2013435."},{"key":"e_1_3_2_2_6_1","doi-asserted-by":"publisher","DOI":"10.1109\/CVPR.2016.350"},{"key":"e_1_3_2_2_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cities.2020.102720"},{"key":"e_1_3_2_2_8_1","volume-title":"CSCW2020 Workshop on Civic Technologies: Research, Practice, and Open Challenges.","author":"Froehlich Jon E","year":"2020","unstructured":"Jon E Froehlich, Mikey Saugstad, Edgar Mart\u00ednez, and Rebeca de Buen Kalman. 2020. Sidewalk Accessibility in the US and Mexico: Policies, Tools, and A Preliminary Case Study. In CSCW2020 Workshop on Civic Technologies: Research, Practice, and Open Challenges."},{"key":"e_1_3_2_2_9_1","unstructured":"David Gutman. 2017. Seattle may have to spend millions making sidewalks more accessible to people with disabilities. The Seattle Times."},{"key":"e_1_3_2_2_10_1","doi-asserted-by":"publisher","DOI":"10.1145\/2207676.2207733"},{"key":"e_1_3_2_2_11_1","doi-asserted-by":"publisher","DOI":"10.1145\/2642918.2647403"},{"key":"e_1_3_2_2_12_1","unstructured":"Winnie Hu. 2017. For the Disabled New York's Sidewalks Are an Obstacle Course. The New York Times."},{"key":"e_1_3_2_2_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/J.COMPENVURBSYS.2005.09.002"},{"key":"e_1_3_2_2_14_1","doi-asserted-by":"publisher","DOI":"10.1145\/3301275.3302301"},{"key":"e_1_3_2_2_15_1","volume-title":"Poster Proceedings of ASSETS\u201918","author":"Najafizadeh Ladan","unstructured":"Ladan Najafizadeh and Jon E. Froehlich. 2018. A Feasibility Study of Using Google Street View and Computer Vision to Track the Evolution of Urban Accessibility. In Poster Proceedings of ASSETS\u201918."},{"key":"e_1_3_2_2_16_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICCV.2017.534"},{"key":"e_1_3_2_2_17_1","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.psych.53.100901.135125"},{"key":"e_1_3_2_2_18_1","unstructured":"Emily Alpert Reyes. 2015. L.A. agrees to spend $1.3 billion to fix sidewalks in ADA case. Los Angeles Times."},{"key":"e_1_3_2_2_19_1","volume-title":"Proceedings of the ACM on Human Computer Interaction (PACM HCI); To Be Presented at CSCW2020","author":"Saha Manaswi","unstructured":"Manaswi Saha, Devanshi Chauhan, Siddhant Patil, Rachel Kangas, Jeffrey Heer, and Jon E. Froehlich. 2020. Urban Accessibility as a Socio-Political Problem: A Multi-Stakeholder Analysis. In Proceedings of the ACM on Human Computer Interaction (PACM HCI); To Be Presented at CSCW2020."},{"key":"e_1_3_2_2_20_1","volume-title":"Proceedings of CHI","author":"Saha Manaswi","year":"2019","unstructured":"Manaswi Saha, Michael Saugstad, Hanuma Maddali, Aileen Zeng, Ryan Holland, Steven Bower, Aditya Dash, Sage Chen, Anthony Li, Kotaro Hara, and Jon E. Froehlich. 2019. Project Sidewalk: A Web-based Crowdsourcing Tool for Collecting Sidewalk Accessibility Data at Scale. In Proceedings of CHI 2019."},{"key":"e_1_3_2_2_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cviu.2017.01.012"},{"key":"e_1_3_2_2_22_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.0963-7214.2005.00332.x"},{"key":"e_1_3_2_2_23_1","doi-asserted-by":"publisher","DOI":"10.1016\/J.RSE.2015.12.027"},{"key":"e_1_3_2_2_24_1","doi-asserted-by":"publisher","DOI":"10.1109\/VLHCC.2004.35"},{"key":"e_1_3_2_2_25_1","unstructured":"US Department of Transportation Federal Highway Administration. 2015. ADA Transition Plan."},{"key":"e_1_3_2_2_26_1","doi-asserted-by":"publisher","DOI":"10.1109\/CVPR.2016.647"},{"key":"e_1_3_2_2_27_1","doi-asserted-by":"publisher","DOI":"10.1145\/3308561.3353798"},{"key":"e_1_3_2_2_28_1","doi-asserted-by":"publisher","DOI":"10.1016\/J.ECOCOM.2010.03.002"},{"key":"e_1_3_2_2_29_1","volume-title":"Kinney v. Yerusalim, 9 F.3d 1067 (3d Cir","year":"1993","unstructured":"1993. Kinney v. Yerusalim, 9 F.3d 1067 (3d Cir. 1993). Retrieved from https:\/\/casetext.com\/case\/kinney-v-yerusalim"}],"event":{"name":"ASSETS '21: The 23rd International ACM SIGACCESS Conference on Computers and Accessibility","location":"Virtual Event USA","acronym":"ASSETS '21","sponsor":["SIGACCESS ACM Special Interest Group on Accessible Computing"]},"container-title":["Proceedings of the 23rd International ACM SIGACCESS Conference on Computers and Accessibility"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3441852.3476549","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3441852.3476549","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,17]],"date-time":"2025-06-17T20:48:55Z","timestamp":1750193335000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3441852.3476549"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,10,17]]},"references-count":29,"alternative-id":["10.1145\/3441852.3476549","10.1145\/3441852"],"URL":"https:\/\/doi.org\/10.1145\/3441852.3476549","relation":{},"subject":[],"published":{"date-parts":[[2021,10,17]]},"assertion":[{"value":"2021-10-17","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}