The Internet Speculative Fiction Database is a database of bibliographic information on genres considered speculative fiction, including science fiction and related genres such as fantasy fiction and horror fiction. The ISFDB is a volunteer effort, with both the database and wiki being open for editing and user contributions. The ISFDB database and code are available under Creative Commons licensing and there is support within both Wikipedia and ISFDB for interlinking. The data are reused by other organizations, such as Freebase, under the creative commons license. More information...
In June 2020 the website isfdb.org was on the 2,120th place in the ranking of the most reliable and popular sources in multilingual Wikipedia from readers' point of view (PR-score). If we consider only frequency of appearance of this source in references of Wikipedia articles (F-score), this website was on the 1,658th place in June 2020. From Wikipedians' point of view, "isfdb.org" is the 1,823rd most reliable source in different language versions of Wikipedia (AR-score).
The website is placed before essence.com and after niedersachsen.de in multilingual PR ranking of the most reliable sources in Wikipedia.
Popularity and reliability assessment of sources in references of Wikipedia in different languages. Data extraction based on complex method using Wikimedia dumps in July 2020. To find the most popular and reliable sources we used information about over 200 million references of Wikipedia articles. More details in the research "Modeling Popularity and Reliability of Sources in Multilingual Wikipedia". Values for PR-score and AR-score were additinaly increased 100 times (to distinguish smaller values in the ranking).