Using the number of citations
Examples of expert searches in a database and a search engine that include bibliometric data :
Using the number of publications
By finding authors with high numbers of articles on your topic. This is usually possible by using the refining options of bibliographic databases.
The video below shows how to use the author search filters in Web of Science.
Note: As of July 2021, there is a new Web of Science interface. The procedure shown in this video remains the same.
Knowledge communities help you find collaborators, competitors, and potential partners.
Academic or professional social networks for researchers also help identify experts in a certain field. For information on networking, consult the guide Promoting Your Research Activities.
Here are some examples of such social networks: