Thomson Reuters released their 2015 Journal Citation Report which shows that the Journal of Web Semantics impact factors has risen to 2.550 and its five-year impact factor has increased to 2.464.
The new impact factor ranks the JWS 11th out of 123 journals in the Computer Science, Information Systems category, 21st out of 121 journals in Computer Science, Artificial Intelligence and 4th out of 104 journals in Computer Science, Software Engineering.
Thomson Reuter's impact factor for a given year is the ratio of the citations to a journal from in that year to a count of articles published in the journal in the prior two years. Only citations from selected journals are used in the Thomson Reuters metrics.