{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,22]],"date-time":"2026-03-22T16:01:50Z","timestamp":1774195310882,"version":"3.50.1"},"publisher-location":"New York, New York, USA","reference-count":5,"publisher":"ACM Press","license":[{"start":{"date-parts":[[2016,1,1]],"date-time":"2016-01-01T00:00:00Z","timestamp":1451606400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2016]]},"DOI":"10.1145\/2938503.2938508","type":"proceedings-article","created":{"date-parts":[[2016,9,12]],"date-time":"2016-09-12T13:33:45Z","timestamp":1473687225000},"page":"394-395","source":"Crossref","is-referenced-by-count":3,"title":["The Twitter Bullishness Index"],"prefix":"10.1145","author":[{"given":"Carl Julien","family":"Barrelet","sequence":"first","affiliation":[{"name":"Data Science Lab, Dept. of Mechanical & Industrial, Engineering, Ryerson University"}]},{"given":"Sebnem Sahin","family":"Kuzulugil","sequence":"additional","affiliation":[{"name":"Data Science Lab, Dept. of Mechanical & Industrial, Engineering, Ryerson University"}]},{"given":"Ay\u015fe Ba\u015far","family":"Bener","sequence":"additional","affiliation":[{"name":"Data Science Lab, Dept. of Mechanical & Industrial, Engineering, Ryerson University"}]}],"member":"320","reference":[{"key":"key-10.1145\/2938503.2938508-1","doi-asserted-by":"crossref","unstructured":"Fama, E. F. 1970. Efficient capital markets: A review of theory and empirical work, The Journal of Finance 25 (May 1970), 383--417.","DOI":"10.2307\/2325486"},{"key":"key-10.1145\/2938503.2938508-2","unstructured":"Jurafsky, D. and Martin, J. H. 2009. Speech and Language Processing. Pearson Education Inc., Upper Saddle River, NJ."},{"key":"key-10.1145\/2938503.2938508-3","unstructured":"Mao, H., Counts, S., and Bollen, J. 2015. Quantifying the effects of online bullishness on international financial markets. Statistics Paper (European Central Bank) 9 (Jul. 2015), 1--22."},{"key":"key-10.1145\/2938503.2938508-4","unstructured":"Carl Icahn [Carl_C_Icahn]. (2013, August 13). Had a nice conversation with Tim Cook today. Discussed my opinion that a larger buyback should be done now. We plan to speak again shortly. [Tweet]. Retrieved from https:\/\/twitter.com\/carl_c_icahn\/status\/367351130776285184"},{"key":"key-10.1145\/2938503.2938508-5","unstructured":"http:\/\/www.huffingtonpost.com\/2013\/08\/13\/carl-icahn-appletweet_n_3750230.html"}],"event":{"name":"the 20th International Database Engineering & Applications Symposium","location":"Montreal, QC, Canada","acronym":"IDEAS '16","number":"20","sponsor":["Keio University"],"start":{"date-parts":[[2016,7,11]]},"end":{"date-parts":[[2016,7,13]]}},"container-title":["Proceedings of the 20th International Database Engineering &amp; Applications Symposium on - IDEAS '16"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2938503.2938508","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/dl.acm.org\/ft_gateway.cfm?id=2938508&amp;ftid=1786973&amp;dwn=1","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T21:38:21Z","timestamp":1750282701000},"score":1,"resource":{"primary":{"URL":"http:\/\/dl.acm.org\/citation.cfm?doid=2938503.2938508"}},"subtitle":["A Social Media Analytics Indicator for the Stock Market"],"short-title":[],"issued":{"date-parts":[[2016]]},"references-count":5,"URL":"https:\/\/doi.org\/10.1145\/2938503.2938508","relation":{},"subject":[],"published":{"date-parts":[[2016]]}}}