Results 1 to 10 of about 6,741 (178)
Evaluation of Iranian Universiy library OPACs [PDF]
Purpose: In this research, the main objective was to evaluate Iranina University library OPACs in two categories (including commercial and designed by universities OPACs) in terms of search, display, browsing, and other features (limitations to type of ...
Leyla Hamrang, Atefeh Sharif, F Zandian
doaj +1 more source
Updated opacities from the Opacity Project [PDF]
12 pages, 8 figures, MNRAS At Press. Revised accepted MS. Results unchanged. Revisions: New info on Data Archives, esp. OPserver.
Badnell, N.R. +7 more
openaire +5 more sources
Mechanisms of OPACs content enrichment in Arab University Libraries: An analytical study
The research aims to identify the characteristics of Arab universities libraries OPACs from several aspects, the most important of them: the approved automated system, Search and retrieval capabilities, Enriching content, and Detecting the difficulties ...
Attia Badreddine
doaj +1 more source
Opacity is a general language-theoretic framework in which several security properties of a system can be expressed. Its parameters are a predicate, given as a subset of runs of the system, and an observation function, from the set of runs into a set of observables.
Bérard, Béatrice +2 more
openaire +5 more sources
KATALOG DARING DI INDONESIA: PENILAIAN BERDASARKAN KRITERIA KATALOG DARING GENERASI KETIGA
This study aims to determine whether online public access catalogs (OPAC) developed by Indonesian vendors andprogrammers can be classified as the third generation catalog.
Agus Permadi
doaj +1 more source
Online javno dostopni katalogi in sistemi za odkrivanje informacij / Online public access catalogues and library discovery systems [PDF]
This article provides an overview of computer-based catalogue systems designed for use by library clients, seeing present day discovery systems on the same trajectory as the older online public access catalogues (OPACs) which they are gradually ...
David Wells
doaj +1 more source
URLs in the OPAC : comparative reflections on US vs UK practice [PDF]
To examine whether placing URLs into library OPACs has been an effective way of enhancing the role of the catalogue for the contemporary library ...
Joint, N.
core +1 more source
Propuesta metodológica de evaluación de interfaces de OPACs. INNOPAC versus UNICORN.
Los propósitos de este trabajo son presentar un modelo de evaluación de OPACs universitarios con el objetivo de compartir un procedimiento y unos parámetros e indicadores establecidos a este fin.
Blanca Rodríguez Bravo +1 more
doaj +1 more source
Let Iv(r, θ) be the intensity of radiation of frequency v, at a distance r from the centre of a star and in a direction making an angle θ to the outward normal. In a plane-parallel approximation the equation of radiative transfer is where 𝛋v is the opacity and jv the emissivity. The net outward flux of radiant energy is
openaire +1 more source
Using Search Engine Technology to Improve Library Catalogs [PDF]
This chapter outlines how search engine technology can be used in online public access library catalogs (OPACs) to help improve users’ experiences, to identify users’ intentions, and to indicate how it can be applied in the library context, along with ...
Lewandowski, Dirk
core +1 more source

