Research on information use and user information behavior has proliferated over the years. This study uses a visualization tool, RefViz, to analyze the themes and trends of published research in the area over the past 25 years. Records of journal articles in this area are downloaded from the Social Science Citation Index database and imported in RefViz for analysis. The major objective of this study is to obtain an overview of published research in this area by
• identifying the major themes and areas of interest overall;
• comparing the major themes and areas of interest in different time periods;
• revealing trends of research in this area over time;
• identifying new emerging topics in this area; and
• recognizing core concepts/subjects that appear in each cluster, concepts/subjects that are discussed across different topical clusters, and concepts/subjects that are highly associated in the literature.