"CompuScience" is a bibliographic database covering literature in the field of computer science and computer technology. Dating back to 1936, the database comprises about 656.378 citations.  CompuScience is integrated in io-port.net, the portal for computer science in Germany and Europe.  CompuScience contains the abstracts of the ACM Computing Reviews and the Computer Science Section of Zentralblatt für Mathematik (MATH database) and the abstracts of over 95 selected journals in this area. Citations contain bibliographic information and indexing terms. Many records also include an abstract. Most citations are classified according to the Computing Reviews Classification Scheme of ACM.