{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,18]],"date-time":"2025-11-18T12:14:21Z","timestamp":1763468061623,"version":"3.41.0"},"publisher-location":"New York, NY, USA","reference-count":4,"publisher":"ACM","license":[{"start":{"date-parts":[[2012,2,29]],"date-time":"2012-02-29T00:00:00Z","timestamp":1330473600000},"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":[[2012,2,29]]},"DOI":"10.1145\/2157136.2157276","type":"proceedings-article","created":{"date-parts":[[2012,3,6]],"date-time":"2012-03-06T13:18:26Z","timestamp":1331039906000},"page":"477-478","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["Update on the CS principles project"],"prefix":"10.1145","author":[{"given":"Owen","family":"Astrachan","sequence":"first","affiliation":[{"name":"Duke University, Durham, NC, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Amy","family":"Briggs","sequence":"additional","affiliation":[{"name":"Middlebury College, Middlebury, VT, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jan","family":"Cuny","sequence":"additional","affiliation":[{"name":"National Science Foundation, Arlington, VA, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lien","family":"Diaz","sequence":"additional","affiliation":[{"name":"College Board, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chris","family":"Stephenson","sequence":"additional","affiliation":[{"name":"Computer Science Teachers Association, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2012,2,29]]},"reference":[{"key":"e_1_3_2_1_1_1","unstructured":"CS Principles website: http:\/\/csprinciples.org.  CS Principles website: http:\/\/csprinciples.org."},{"key":"e_1_3_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1145\/1953163.1953193"},{"key":"e_1_3_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1145\/1734263.1734377"},{"key":"e_1_3_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1145\/1508865.1509005"}],"event":{"name":"SIGCSE '12: The 43rd ACM Technical Symposium on Computer Science Education","sponsor":["SIGCSE ACM Special Interest Group on Computer Science Education"],"location":"Raleigh North Carolina USA","acronym":"SIGCSE '12"},"container-title":["Proceedings of the 43rd ACM technical symposium on Computer Science Education"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2157136.2157276","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/2157136.2157276","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T10:06:32Z","timestamp":1750241192000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2157136.2157276"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2012,2,29]]},"references-count":4,"alternative-id":["10.1145\/2157136.2157276","10.1145\/2157136"],"URL":"https:\/\/doi.org\/10.1145\/2157136.2157276","relation":{},"subject":[],"published":{"date-parts":[[2012,2,29]]},"assertion":[{"value":"2012-02-29","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}