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Information 2011, 2(1), 217-246; doi:10.3390/info2010217
Article

Finding Emotional-Laden Resources on the World Wide Web

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Received: 1 December 2010; in revised form: 24 January 2011 / Accepted: 18 February 2011 / Published: 2 March 2011
(This article belongs to the Special Issue What Is Information?)
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Abstract: Some content in multimedia resources can depict or evoke certain emotions in users. The aim of Emotional Information Retrieval (EmIR) and of our research is to identify knowledge about emotional-laden documents and to use these findings in a new kind of World Wide Web information service that allows users to search and browse by emotion. Our prototype, called Media EMOtion SEarch (MEMOSE), is largely based on the results of research regarding emotive music pieces, images and videos. In order to index both evoked and depicted emotions in these three media types and to make them searchable, we work with a controlled vocabulary, slide controls to adjust the emotions’ intensities, and broad folksonomies to identify and separate the correct resource-specific emotions. This separation of so-called power tags is based on a tag distribution which follows either an inverse power law (only one emotion was recognized) or an inverse-logistical shape (two or three emotions were recognized). Both distributions are well known in information science. MEMOSE consists of a tool for tagging basic emotions with the help of slide controls, a processing device to separate power tags, a retrieval component consisting of a search interface (for any topic in combination with one or more emotions) and a results screen. The latter shows two separately ranked lists of items for each media type (depicted and felt emotions), displaying thumbnails of resources, ranked by the mean values of intensity. In the evaluation of the MEMOSE prototype, study participants described our EmIR system as an enjoyable Web 2.0 service.
Keywords: emotional information retrieval; indexing, retrieval; content-based information retrieval; basic emotion; concept-based information retrieval; image; video; music; tagging, scroll bar; Media EMOtion Search; MEMOSE emotional information retrieval; indexing, retrieval; content-based information retrieval; basic emotion; concept-based information retrieval; image; video; music; tagging, scroll bar; Media EMOtion Search; MEMOSE
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Knautz, K.; Neal, D.R.; Schmidt, S.; Siebenlist, T.; Stock, W.G. Finding Emotional-Laden Resources on the World Wide Web. Information 2011, 2, 217-246.

AMA Style

Knautz K, Neal DR, Schmidt S, Siebenlist T, Stock WG. Finding Emotional-Laden Resources on the World Wide Web. Information. 2011; 2(1):217-246.

Chicago/Turabian Style

Knautz, Kathrin; Neal, Diane Rasmussen; Schmidt, Stefanie; Siebenlist, Tobias; Stock, Wolfgang G. 2011. "Finding Emotional-Laden Resources on the World Wide Web." Information 2, no. 1: 217-246.

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