Finding bibliographic information about books on the WWW: an evaluation of available sources

The World Wide Web offers different systems to retrieve information about published books in the form of online catalogues of libraries and popular online bookstores, and subscription‐based bibliographic databases. The paper determines the usefulness of bibliographic information offered by such systems. For the quantitative evaluation, random tests with titles of known books were executed. The quality of the resulting output was evaluated on the basis of a set of criteria.