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Term
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Meaning
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autoconf
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Unix program used to configure the Greenstone software installation package to suit your system
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Autorun
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Windows feature that starts a program automatically whenever a CD-ROM is inserted
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Boolean query
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Query to an information retrieval system that may contain AND, OR, NOT
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Browsing
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Accessing a collection by scanning an organized list of metadata values associated with the documents (such as author, title, date, keywords)
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buildcol.pl
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Greenstone program used to build collections
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Building
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Process of creating the indexing and browsing structures that are used to access a collection
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C++
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Programming language in which the majority of the Greenstone software is written
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Casefolding
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Making uppercase and lowercase words look the same, for searching purposes
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CGI
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Common Gateway Interface, a scheme that allows users to activate programs on the host computer by clicking on web pages
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CGI script
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Code associated with a button, menu, or link on a web page that specifies what the host computer is to do when it is clicked
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cgi-bin
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Directory in which CGI scripts are stored
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Classifier
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Greenstone code module that examines document metadata to form an index for browsing
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Collection
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Set of documents that are brought together under a uniform searching and browsing interface
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Collection configuration file
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File that specifies how a collection is to be imported and built, what indexes and language interfaces are to be provided, etc.
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Collection server
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Program responsible for providing access to a collection when it is being used
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Configuration file
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See collection configuration file, main configuration file, site configuration file
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CVS
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Concurrent Versioning System, a scheme for maintaining source code used throughout Greenstone
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db2txt
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Greenstone tool for viewing a GDBM database as text (see GDBM)
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Demo collection
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A subset of the Humanities Development Library, distributed with the Greenstone software and used for illustration in this tutorial
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Digital library
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Collection of digital objects (text, audio, video), along with methods for access and retrieval, and for selection, organization, and maintenance
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DL
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Development Library, A Greenstone collection of humanitarian information for developing countries
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Document
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Basic unit from which digital library collections are constructed; it may include text, graphics, sound, video, etc.
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Dublin core
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A standard way of describing metadata
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Fast CGI
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Facility that allows CGI scripts to remain continuously active so that they do not have to be restarted from scratch every time they are invoked
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Filter program
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That part of a Greenstone collection server that implements querying and browsing operations
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Format string
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A string that specifies how documents and other listings are to be displayed in Greenstone
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GB-encoding
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Standard way of encoding the Chinese language
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GDBM
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Gnu DataBase Manager, a program used within the Greenstone software to store metadata for each document
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GIMP
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Gnu Image-Manipulation Program used (on Unix) to create icons in Greenstone
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GML
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Greenstone Markup Language, an XML-compliant format used for storing documents internally
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Gnu license
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Software license that permits users to copy and distribute computer programs freely, and modify them—so long as all modifications are made publicly available
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Greenstone
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The name of this digital library software
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GSDL
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Abbreviation for Greenstone Digital Library
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%GSDLHOME%
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Operating system variable that represents the top-level directory in which all Greenstone programs and collections are stored ($GSDLHOME on Unix systems)
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%GSDLOS%
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Operating system variable that represents the operating system currently being used ($GSDLOS on Unix systems)
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hashfile
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Greenstone program used at import or build time to generate the OID of each document
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HTML
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HyperText Markup Language, the language in which web documents are written
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import.pl
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Greenstone program used to import documents
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Importing
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Process of bringing collections of documents into the Greenstone system
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Index
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Information structure that is used for searching or browsing a collection
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InstallShield
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Windows program, used by Greenstone CD-ROMs, that allows a system to be installed from a CD-ROM
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Main configuration file
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File that contains specifications common to all collections served by this site
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Metadata
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Descriptive data such as author, title, date, keywords, and so on, that is associated with a document (or document collection)
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MG
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Managing Gigabytes, a program used by the Greenstone system for full-text indexing, that incorporates compression techniques (see Witten, I.H., Moffat, A. and Bell, T. Managing Gigabytes: compressing and indexing documents and images, Morgan Kaufmann, second edition, 1999)
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mgbuild
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MG program for building a compressed full-text index
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mgquery
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MG program for querying a compressed full-text index
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mkcol.pl
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Greenstone program that creates and initializes the directory structure for a new collection
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New Zealand
Digital Library Project
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Research project in the Computer Science Department at the University of Waikato, New Zealand, that created the Greenstone software (nzdl.org)
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OID
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Object Identifier, a unique identification code associated with a document
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Perl
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Programming language used for many of the text-processing operations that occur during the building process
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Ping
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Message sent to a system to determine whether it is running or not
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Plugin
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Code module for handling documents of different formats, used during the importing and building processes
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Protocol
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Set of conventions by which a Greenstone receptionist communicates with a collection server
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Ranked query
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Natural-language query to an information retrieval system, for which the documents that match the query are sorted in order of relevance
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Receptionist
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Program that organizes the Greenstone user interface
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RTF
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Rich Text Format, a standard format for interchange of text documents
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Searching
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Accessing a collection through a full-text search of its contents (or parts of contents, such as section titles)
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Server
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See Collection server and Web server
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setup.bat, setup.sh, setup.csh
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Script used to set up your environment to recognize the Greenstone software
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Site configuration file
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File that contains specifications used to configure the Greenstone software for the site on which it is installed
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Stemming
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Stripping endings off a query term to make it more general
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STL
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Standard template library, a widely-available library of C++ code developed by Silicon Graphics
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txt2db
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Greenstone program used at build time to create the GDBM database
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Unicode
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Standard scheme for representing the character sets used in the world's languages
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UNU
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The United Nations University; also used to refer to a Greenstone collection created for that organization
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Web server
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Standard program that computers use to make information accessible over the World Wide Web
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XML
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A standard format for structured documents and data on the web (the Greenstone Markup Language is an XML-compliant format)
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