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Finding emotional-laden resources on the World Wide Web

Knautz, Kathrin; Neal, Diane Rasmussen; Schmidt, Stefanie; Siebenlist, Tobias; Stock, Wolfgang G.

Authors

Kathrin Knautz

Stefanie Schmidt

Tobias Siebenlist

Wolfgang G. Stock



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.

Journal Article Type Article
Acceptance Date Feb 18, 2011
Online Publication Date Mar 2, 2011
Publication Date Mar 2, 2011
Deposit Date Feb 3, 2023
Publicly Available Date Feb 3, 2023
Journal Information
Publisher MDPI
Peer Reviewed Peer Reviewed
Volume 2
Issue 1
Pages 217-246
DOI https://doi.org/10.3390/info2010217
Keywords emotional information retrieval; indexing; content-based information retrieval; basic emotion; concept-based information retrieval; Media EMOtion Search; MEMOSE; retrieval

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