… (OPAC) operations in the light of the philosophy of information, communication theory and
semiotics, and to revisit fundamental questions about the nature of library OPACs and the …

… (OPACs) began to appear in the late 1990s and many libraries are currently considering
implementation. As catalogues, they demonstrate advances on traditional OPACs… of Web OPAC …

The software package OPAC (Optical Properties of Aerosols and Clouds) is described. It
easily provides optical properties in the solar and terrestrial spectral range of atmospheric …

… of OPAC use are studied: (1) the current OPAC interface and searching capabilities, and (2)
the OPAC … is the current OPAC ineffective? What can libraries and librarians do to deliver an …

A large number of studies have investigated the Online Public Access Catalog (OPAC). This
article identifies and analyzes studies that have been published since 1990, excluding …

Online Public Access Catalogues (OPACs), despite their recent arrival in the library and
information science world, have had a great impact because they have to be designed for the …

… ) OPAC was conducted to identify query and search failure patterns with the goal of identifying
areas of improvement for the system. One semester’s worth of OPAC … the NTU OPAC and …

This article reports research that explored children's information retrieval behavior using an
online public access catalog (OPAC) in an elementary school library. The study considers …

… of the OPAC algorithm and describes the implementation and field testing of OPAC within …
of the issues encountered during the integration of OPAC into the RTTRACS system. The …

This paper analyzes the results of transaction logs at California State University, Los Angeles
(CSULA) and studies the effects of implementing a Web-based OPAC along with interface …