R
Randi Karlsen
Researcher at University of Tromsø
Publications - 69
Citations - 700
Randi Karlsen is an academic researcher from University of Tromsø. The author has contributed to research in topics: Image retrieval & Automatic image annotation. The author has an hindex of 12, co-authored 63 publications receiving 657 citations. Previous affiliations of Randi Karlsen include Northern Research Institute.
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Journal ArticleDOI
Are Health Videos from Hospitals, Health Organizations, and Active Users Available to Health Consumers? An Analysis of Diabetes Health Video Ranking in YouTube.
Carlos Fernandez-Llatas,Vicente Traver,Jose-Enrique Borras-Morell,Antonio Martinez-Millana,Randi Karlsen +4 more
TL;DR: The conclusions are that the current YouTube algorithm favors the presence of reliable videos in upper rank positions in diabetes-related searches and how videos from reliable channels, such as hospitals and health organizations, are evolving in the ranking is analyzed.
Journal ArticleDOI
Review of extracting information from the Social Web for health personalization.
TL;DR: This paper reviewed research literature across different fields addressing the disclosure of health information in the Social Web, techniques to extract that information, and examples of personalized health applications, and includes a discussion of technical and socioethical challenges related to the extraction of information for health personalization.
Proceedings ArticleDOI
Challenges and opportunities of using recommender systems for personalized health education.
TL;DR: The challenges and opportunities of merging recommender systems with personalized health education are discussed, and the usage of social networks and semantic technologies within this approach are discussed.
Journal ArticleDOI
HealthTrust: A Social Network Approach for Retrieving Online Health Videos
TL;DR: The trust-based metric HealthTrust showed promising results when used to retrieve diabetes content from YouTube and indicates that social network analysis may be used to identify trustworthy social media in health communities.
Journal ArticleDOI
The role of taxonomies in social media and the semantic web for health education. A study of SNOMED CT terms in YouTube health video tags.
TL;DR: YouTube Health videos can be searched for and retrieved using SNOMED CT terms with a high possibility of identifying health videos that users want based on their search criteria and opens the door to new studies for personalized retrieval of content.