A large majority of data centers are implemented online catalogs of public access (OPAC), Web-based interfaces, client-server platform and use protocol (Z39.50), now the challenge is to develop integrated through websites that contain quality content using resources (databases, specialized filters, resource management, access to electronic thesaurus) AVERAGE interface common.
According to the "IFLA Guidelines for Online Public Access Catalog (OPAC) displays" suggests that aid the user by means of a good interface, indicating provide easily accessible help screens when performing a search expert assistance and implement specialized searches , clearly explain the error messages that may arise and have a proper solution to solve the problem.
In conclusion, OPACs, if implemantan and administer the proper way are the ability to provide good user support, through good access data items labeled properly, so they can meet their information needs.
BIBLIOGRAPHY:
ORDÓÑEZ ARIAS, Jose de Jesus. In: Libraries and Information Technology: Web OPAC Interface of the Mercosur: user support. Vol.4, N ° .4 (Sept - Dec. 2007): p. 5-10.
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