{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,20]],"date-time":"2026-06-20T20:46:28Z","timestamp":1781988388032,"version":"3.54.5"},"publisher-location":"New York, NY, USA","reference-count":21,"publisher":"ACM","license":[{"start":{"date-parts":[[2012,9,5]],"date-time":"2012-09-05T00:00:00Z","timestamp":1346803200000},"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":[[2012,9,5]]},"DOI":"10.1145\/2370216.2370264","type":"proceedings-article","created":{"date-parts":[[2012,9,18]],"date-time":"2012-09-18T10:51:58Z","timestamp":1347965518000},"page":"301-310","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":72,"title":["Mood meter"],"prefix":"10.1145","author":[{"given":"Javier","family":"Hernandez","sequence":"first","affiliation":[{"name":"Media Lab, Massachusetts Institute of Technology, Cambridge, MA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohammed (Ehsan)","family":"Hoque","sequence":"additional","affiliation":[{"name":"Media Lab, Massachusetts Institute of Technology, Cambridge, MA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Will","family":"Drevo","sequence":"additional","affiliation":[{"name":"Media Lab, Massachusetts Institute of Technology, Cambridge, MA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rosalind W.","family":"Picard","sequence":"additional","affiliation":[{"name":"Media Lab, Massachusetts Institute of Technology, Cambridge, MA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"320","published-online":{"date-parts":[[2012,9,5]]},"reference":[{"key":"e_1_3_2_1_1_1","first-page":"2","article-title":"The effect of mirthful laughter on stress and natural killer cell activity","volume":"9","author":"Bennett M. P.","year":"2003","unstructured":"Bennett, M. P., Zeller, J. M., Rosenberg, L., and McCann, J. The effect of mirthful laughter on stress and natural killer cell activity. Journal of Alternative Therapies in Health and Medicine 9, 2 (2003), 38--45.","journal-title":"Journal of Alternative Therapies in Health and Medicine"},{"key":"e_1_3_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/0005-7916(94)90063-9"},{"key":"e_1_3_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1145\/1067860.1067868"},{"key":"e_1_3_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1023\/A:1024409732742"},{"key":"e_1_3_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1145\/1124772.1124911"},{"key":"e_1_3_2_1_6_1","first-page":"354","article-title":"Acted vs. natural frustration and delight: Many people smile in natural frustration","author":"Hoque M. E.","year":"2011","unstructured":"Hoque, M. E., and Picard, R. W. Acted vs. natural frustration and delight: Many people smile in natural frustration. In Proceedings of F&G, (2011), 354--359.","journal-title":"Proceedings of F&G, ("},{"key":"e_1_3_2_1_7_1","first-page":"1","article-title":"Exploring temporal patterns in classifying frustrated and delighted smiles. Journal of","author":"Hoque M. E","year":"2012","unstructured":"Hoque, M. E, McDuff, D. J., and Picard, R. W. Exploring temporal patterns in classifying frustrated and delighted smiles. Journal of IEEE Transactions on Affective Computing, PP(99), (2012), 1--13.","journal-title":"IEEE Transactions on Affective Computing, PP(99), ("},{"key":"e_1_3_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1207\/s15327051hci2102_3"},{"key":"e_1_3_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijhcs.2006.11.007"},{"key":"e_1_3_2_1_10_1","doi-asserted-by":"publisher","DOI":"10.1145\/365024.365352"},{"key":"e_1_3_2_1_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.imavis.2005.08.005"},{"key":"e_1_3_2_1_12_1","doi-asserted-by":"publisher","DOI":"10.5555\/647987.741336"},{"key":"e_1_3_2_1_13_1","doi-asserted-by":"publisher","DOI":"10.5555\/520809.796143"},{"key":"e_1_3_2_1_14_1","unstructured":"MacKerron G. and Mourato S. Mappiness. http:\/\/www.mappiness.org.uk"},{"key":"e_1_3_2_1_15_1","unstructured":"Mislove A. Lehmann S. Ahn Y. Y. Onnela J.-P. and Rosenquist J. N. The Pulse of the Nation. http:\/\/www.ccs.neu.edu\/home\/amislove\/twittermood\/"},{"key":"e_1_3_2_1_16_1","doi-asserted-by":"publisher","DOI":"10.1145\/1978942.1979047"},{"key":"e_1_3_2_1_17_1","first-page":"1","article-title":"Duchenne smile, emotional experience, and autonomic reactivity: a test of the facial feedback hypothesis","volume":"2","author":"Soussignan R","year":"2002","unstructured":"Soussignan, R. Duchenne smile, emotional experience, and autonomic reactivity: a test of the facial feedback hypothesis. Journal of Emotion 2, 1 (2002), 52--74.","journal-title":"Journal of Emotion"},{"key":"e_1_3_2_1_18_1","doi-asserted-by":"publisher","DOI":"10.1037\/0022-3514.54.5.768"},{"key":"e_1_3_2_1_19_1","doi-asserted-by":"publisher","DOI":"10.1145\/2030112.2030114"},{"key":"e_1_3_2_1_20_1","doi-asserted-by":"publisher","DOI":"10.1037\/0022-3514.54.6.1063"},{"key":"e_1_3_2_1_21_1","unstructured":"Wilhelmer R. Bismarck J. and Maus B. Feel-o-meter: Stimmungsgasometer. (2008). http:\/\/www.f\u00fchlometer.de"}],"event":{"name":"Ubicomp '12: The 2012 ACM Conference on Ubiquitous Computing","location":"Pittsburgh Pennsylvania","acronym":"Ubicomp '12","sponsor":["SIGMOBILE ACM Special Interest Group on Mobility of Systems, Users, Data and Computing","SIGCHI ACM Special Interest Group on Computer-Human Interaction","SIGSPATIAL ACM Special Interest Group on Spatial Information"]},"container-title":["Proceedings of the 2012 ACM Conference on Ubiquitous Computing"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2370216.2370264","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/2370216.2370264","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,3,22]],"date-time":"2026-03-22T01:46:21Z","timestamp":1774143981000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2370216.2370264"}},"subtitle":["counting smiles in the wild"],"short-title":[],"issued":{"date-parts":[[2012,9,5]]},"references-count":21,"alternative-id":["10.1145\/2370216.2370264","10.1145\/2370216"],"URL":"https:\/\/doi.org\/10.1145\/2370216.2370264","relation":{},"subject":[],"published":{"date-parts":[[2012,9,5]]},"assertion":[{"value":"2012-09-05","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}