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Library and Information Services in Astronomy III ASP Conference Series, Vol. 153, 1998 U. Grothkopf, H. Andernach, S. Stevens-Rayburn, and M. Gomez (eds.)

Interface Between CDS/ISIS and the Web at the Library of the Cagliari Observatory
Leonardo Mureddu, Franca Denotti and Gianni Alvito Stazione Astronomica di Cagliari, Capoterra, Cagliari, Italy Abstract. The library catalog of the Cagliari Observatory was digitized some years ago, by using CDS/ISIS with a practical format named "ASTCA" derived from the well-known "BIBLO". Recently the observatory has put some effort into the creation and maintenance of a Web site; on that occasion the library database has been interfaced to the Web server by means of the software WWWISIS and a locally created search form. Both books and journals can be searched by remote users. Book searches can be made by authors, titles or keywords.

1.

Introduction

The library of the Cagliari Observatory (CAO) is not very old, but has inherited the bibliographic patrimony of the former Stazione Astronomica di Carloforte and has acquired in the course of the years a remarkable collection of books of historical interest in various fields of science and culture. At present the library has a patrimony of over 5000 books, covering most fields of Astronomy and related sciences, but also Philosophy, Religion, and History. In 1993 CDS/ISIS was adopted as the archiving software for the realization of an electronic catalogue. The digitization was accomplished in two years, and from then on the database has been used as an internal tool for archiving, searching and administrative purposes. The CAO library has participated in 1995 in the first experiment of CUBAI (Denotti & Mureddu 1995), an integrated astronomical catalog based on the cooperation of all the Italian astronomical observatories, and in the SICOB, the academic information network of the Cagliari area. Recently, with the implementation of a Web server, an on-line version of the library catalog was also created. This poster shows the main characteristics of this catalog, together with the tools and formats we have used. 2. The format ASTCA

ASTCA is the bibliographic format that was developed at the CAO library. It was derived from the format BIBLO, very popular in Italy, with some simplifications aimed at reducing the number of fields and the complexity of data input operation. The format was implemented on an MS-DOS PC with network support, with the micro-ISIS version of the software. The Field Definition Table (FDT) of ASTCA is reported in Table 1. 297

© Copyright 1998 Astronomical Society of the Pacific. All rights reserved.


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Tag 01 02 03 04 05 06 07 10 12 13 18 41 42 51 52 61 62 63 71 72 73 74 87 88 89 91 92 94 Field name Title/responsible entity Edition Typology Imprint Description Collection Condition Notes Language Country ISBN/ISSN Personal author Corporate author Add. pers. authors Add. corp. authors Sub jects (keywords) CDD Abstract Location Date of cataloging Operator Inventory number Loan permitted State of loan On loan to Acquisition Price or value Check Rep R R R R R R R R R R R R R R R Type X X A X X X X X A X X X X X X X X X X N A X A A X A X A Length 800 100 2 240 240 240 100 400 3 12 100 240 240 240 240 400 15 480 50 6 2 30 1 1 200 2 100 2 Subfields tscdra er lndsta ea tprav

bs cnq 1qa2b cnq 1qa2b st

si dn cfs

Table 1.

Field Definition Table of ASTCA

3.

Interface between ISIS and the Web: client-server applications

Since the first diffusion of the World Wide Web many efforts have been devoted to the creation of interfaces to be used with the existing library databases, in particular those based upon CDS/ISIS. Two approaches have been exploited: · Export of the database, i.e. translation of the data from the ISIS format to another (plain text, ISO 2709, and so on) in order to make the material searchable by means of other tools. · Creation of an ISIS-interface to search the Master File in the same format as created and updated by the librarian. Both methods have been widely used in the last years. For instance, the first realization of the CUBAI pro ject (Ferrucci & Balestra 1994) for an integrated astronomical catalog in Italy was based on the WAIS search engine on an export of the databases to text files. A second approach was the realization of a WAIS-ISIS interface to search the database itself. It is obvious that this


Interface Between CDS/ISIS and the Web

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Figure 1.

Scheme of the interface.

second approach is preferable because it offers the real-time searchability of the catalog. The solution to be adopted strongly depends on the hardware platform where the CDS/ISIS software is installed. The library catalog at CAO is based on a PC running CDS/ISIS under WIN-95. The WWW server is run on a second computer (http://www.ca.astro.it), which acts as main gateway for all incoming requests as well as outgoing data. The scheme of the interface is given in Fig. 1. The software we adopted is WWWISIS, developed and distributed in Brazil by the BIREME organization. It is designed to act as a server for ISIS databases in a WWW client-server environment, with a CGI interface developed in Perl language. Figures 2 and 3 show the homepage and the search form for the book catalog. A useful feature of the search interface is the possibility to pick a keyword from a pop-up list in the form. References Denotti, F. & Mureddu, L. 1995, 1st CUBAI Workshop: Rome 1995 Ferrucci, M.& Balestra A. 1994, WWWorkshop: Padova 1994


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Figure 2.

Homepage of Cagliari Observatory

Figure 3.

The search module