Measuring the Credibility of Recommender Systems. - Kyung Hyan Yoo; Ulrike Gretzel (ENTER, 2006)

Use and Impact of Online Travel Reviews. - Ulrike Gretzel; Kyung Hyan Yoo (ENTER, 2008)

The Influence of Perceived Credibility on Preferences for Recommender Systems as Sources of Advice. - Kyung Hyan Yoo; Ulrike Gretzel (J. Inf. Technol. Tour., 2008)

What Motivates Consumers to Write Online Travel Reviews? - Kyung Hyan Yoo; Ulrike Gretzel (J. Inf. Technol. Tour., 2008)

The Influence of Virtual Representatives on Recommender System Evaluation. - Kyung Hyan Yoo; Ulrike Gretzel (AMCIS, 2009)

Comparison of Deceptive and Truthful Travel Reviews. - Kyung Hyan Yoo; Ulrike Gretzel (ENTER, 2009)

Trust in Travel-related Consumer Generated Media. - Kyung Hyan Yoo; Yoonjung Lee; Ulrike Gretzel; Daniel R. Fesenmaier (ENTER, 2009)

Antecedents and Impacts of Trust in Travel-Related Consumer-Generated Media. - Kyung Hyan Yoo; Ulrike Gretzel (J. Inf. Technol. Tour., 2010)

Travel Opinion Leaders and Seekers. - Kyung Hyan Yoo; Ulrike Gretzel; Florian Zach (ENTER, 2011)

Influence of personality on travel-related consumer-generated media creation. - Kyung Hyan Yoo; Ulrike Gretzel (Comput. Hum. Behav., 2011)

Creating More Credible and Persuasive Recommender Systems: The Influence of Source Characteristics on Recommender System Evaluations. - Kyung Hyan Yoo; Ulrike Gretzel (Recommender Systems Handbook, 2011)

Persuasive Recommender Systems - Conceptual Background and Implications - Kyung Hyan Yoo; Ulrike Gretzel; Markus Zanker (Springer, 2013)

Source Factors in Recommender System Credibility Evaluation. - Kyung Hyan Yoo; Ulrike Gretzel; Markus Zanker (Recommender Systems Handbook, 2015)

Special section on generative smart tourism systems and management: Man-machine interaction. - Chulmo Koo; Kyung Hyan Yoo; Jae-Nam Lee; Markus Zanker (Int. J. Inf. Manag., 2016)