To support future digital library systems which draw information from different sources on the intemet, we have to provide integrated queries to pre-existing database servers which contain structured, semistructured and unstructured data. In this paper, we specijically examine the problem of querying both existing structured relational databases and bibliographic databases. By adopting the well...

During the past year the Astrophysics Data System has set up two mirror sites for the benefit of users around the world with a slow network connection to the main ADS server in Cambridge, MA. In order to clone the ADS abstract and article services on the mirror sites, the structure of the bibliographic databases, query forms and search scripts has been made both siteand platform-independent by ...

Current flow of information necessitates a systematic approach to what authors, reviewers and editors read and use as references. The objectivity of communication is increasingly dependent on a comprehensive literature search through online databases (1). Academic institutions wishing to succeed in the global competition secure access to the prestigious databases and archives (2). Journal edito...

The retrieval precision and recall of a specialist bibliographic toxicity database (TRACE) and a range of widely available bibliographic databases used to identify toxicity papers were compared. The analysis indicated that the larger size and resources of the major bibliographic databases did not, for a series of test queries, assure superior retrieval of relevant papers. The specialist databas...

Every author and publisher is interested in adding their publications to the widely used bibliographic databases freely accessible in the world wide web: This ensures the visibility of their publications and hence of the published research. However, the inclusion requirements of publications in the bibliographic databases are heterogeneous even on the technical side. This survey paper aims in s...