Complex sentence: The International Society for Scientometrics and Informetrics (ISSI) was founded in 1993 in Berlin at the International Conference on Bibliometrics, Informetrics and Scientometrics and is an association for professionals in the field of scientometrics.
Split into simpler sentences: The International Society for Scientometrics and Informetrics was founded in 1993 in Berlin at the International Conference on Bibliometrics, Informetrics and Scientometrics. It is an association for professionals in the field of scientometrics.