{"id":20857,"date":"2017-01-27T10:34:00","date_gmt":"2017-01-27T10:34:00","guid":{"rendered":"https:\/\/www.he-arc.ch\/projets-recherche\/opinion-profile-construction-from-social-media\/"},"modified":"2017-01-27T10:34:00","modified_gmt":"2017-01-27T10:34:00","slug":"opinion-profile-construction-from-social-media","status":"publish","type":"he-arc_project","link":"https:\/\/www.he-arc.ch\/en\/projets-recherche\/opinion-profile-construction-from-social-media\/","title":{"rendered":"Opinion Profile Construction from Social Media"},"content":{"rendered":"

Context and challenges<\/h2>\n

This project works towards a joint perspective on how users of social media convey meanings to their peers. An algorithm for sentiment analysis that is enriched by qualitative semantic analyses is proposed. Our primary source of data is the Yelp\u2019s Academic Dataset, a collection of restaurant reviews in the online city guide Yelp.<\/p>\n

Objectives<\/h2>\n

Our goal is to analyze restaurant reviews in terms of semantic frames in order to provide an opinion profile that reflects customer satisfaction along several dimensions. We thus conduct fine-grained sentiment analysis that is sensitive to different product features that are expressed by customers.<\/p>\n

Partners and funding<\/h2>\n

University of Neuch\u00e2tel<\/a><\/p>\n

Funded by Cogito Foundation<\/a><\/p>\n

Results<\/h2>\n

We developed a web prototype that allows users to search the N closest restaurants from a location and then color them from red to green according to their preferences. An evaluation performed on the Yelp\u2019s Academic dataset highlights a recall of 52% and a precision of 67% over a manually labeled excerpt.<\/p>\n

Valorisation<\/h2>\n

William Droz, Hatem Ghorbel, Martin Hilpert, Magdalena Punceva, Mehdy Davary. Opinion profile construction from social media. Poster in SwissText Conference, Z\u00fcrich, 2016.<\/p>\n

Project Manager<\/h2>\n\n
\n
\n
\n Dr. Hatem Ghorbel\n <\/div>\n
\n +41 32 930 22 06<\/a>\n <\/div>\n
\n Hatem.Ghorbel@he-arc.ch<\/a>\n <\/div>\n <\/div>\n<\/div>\n","protected":false},"author":16,"featured_media":15833,"template":"","he-arc_domain":[3],"he-arc_project_skill":[68],"he-arc_project_year":[37,38],"class_list":["post-20857","he-arc_project","type-he-arc_project","status-publish","has-post-thumbnail","hentry","he-arc_domain-ingenierie","he-arc_project_skill-analyse-de-donnees","he-arc_project_year-37","he-arc_project_year-38"],"acf":[],"yoast_head":"\nOpinion Profile Construction from Social Media - Haute-Ecole Arc<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.he-arc.ch\/en\/projets-recherche\/opinion-profile-construction-from-social-media\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Opinion Profile Construction from Social Media - Haute-Ecole Arc\" \/>\n<meta property=\"og:description\" content=\"Context and challenges This project works towards a joint perspective on how users of social media convey meanings to their peers. 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