Hellenic Libraries Union Catalog (HLUC)
Journal of Integrated Information Management - Vol 03, No 02
Hellenic Libraries Union Catalogue (HLUC)
Marilia Apostolaki1, Christina Anastasopoulou2, George Veranis3
National Library of Greece, 2National Technical University of Athens, 3Hellenic Academic Libraries
Link
[email protected],
[email protected],
[email protected]
1
for Greek Librarians for long time, as it has been for many
other librarians’ communities [1,2,3,4] With this objective in
early 2000, the initial attempt to create a Hellenic Academic
Libraries Union Catalog 1 began, by the Hellenic Academic
Libraries Link 2 . At the same time, Zephyros, a portal for
accessing and locating all available books, journals and other
materials in Greek Academic libraries, was created. The
environment was designed based on the Z39.50 protocol.
Zephyros was created by the Information Technology office
at the Central Library of the University of Crete3.
The operation of the HALUC and Zephyros continues to this
day successfully, even though libraries have not proceeded
with the adoption of common standards for cataloguing and
thematic classification of their material.
The next effort to achieve convergence began in early 2010
when it was proposed to the Greek Academic libraries, the
creation of an Integrated Library Catalogue (ILSaS Integrated Library System as a Service4 ) where 26 Academic
Libraries’ catalogues were consolidated [5]. Similar efforts
have been made to modernize and converge both Public and
Municipal Libraries by changing their library systems or
joining the e-ABEKT system.
By the end of 2016, the NLG in response to its coordinating
and guiding role, by law and by its position, proceeded with
the creation of the HLUC.
Article Info
Article history:
Received 30 November 2018
Received in revised form 20 January 2019
Accepted 27 February 2019
http://dx.doi.org/10.18780/jiim.v3i2.4352
Abstract:
Purpose - This is a descriptive paper highlighting the Hellenic
Library Union Catalogue (HLUC) which is an information system that
aims to integrate and highlight all the collections from the Greek
libraries in one single catalogue.
Design/methodology/approach – The HLUC information system
was designed and developed by NTUA-HEAL-Link and the National
Library of Greece. The approach used was to organize an open
access collection of high-quality bibliographic data and the aim has
been to promote, amongst other things, rare, special and other
types of bibliographic material. The project is currently in a pilot
phase. So far, more than 50 libraries from Greece and Cyprus are
participating and the number of participants is increasing.
Originality/value - The project responds to a real contemporary
need of the entirety of the libraries, and will offer a service which
will promote the history and the treasures of the Greek libraries,
independently of their type, being public, or academic. Added value
will be the integration of Inter-Library Loan Service with the HLUC.
III. HELLENIC LIBRARIES UNION CATALOGUE (HLUC)
Index Terms — Union Catalogue, Unified search, Greek Libraries,
Cooperation, Bibliographic data
HLUC was developed and implemented by the HEAL-Link
Annex at the National Technical University of Athens, with
the collaboration of the employees of the National Library of
Greece and with the contribution of the private nonprofit
organization Friends and Patrons of the Stavros Niarchos
Foundation Cultural Center, which undertook the
management of the donation of the Stavros Niarchos
Foundation to the NLG as a part of the relocation to its new
building. The project was included as a part of Action 2
"Development of Digital Services" which was aiming at
reorganizing, modernize and develop the NLG services, so as
to re-identify its institutional role and its appeal to the
public.
HLUC offers a number of sophisticated capabilities and
services, while allowing its further development. Specifically,
at a technical level it will:
I. INTRODUCTION
One of the many projects developed by the National Library
of Greece in the context of upgrading its digital services is
the Hellenic Library Union Catalogue (HLUC). It is a federated
catalogue which will provide access to the entire
bibliographic material of the country's libraries, while
offering a host of advanced capabilities and sophisticated
services.
II. UNION CATALOGUES IN GREECE – A HISTORICAL REVIEW
The creation of a single Hellenic Library Union Catalogue
with emphasis on adopting common standards and
cataloguing procedures as well as savings in time and
manpower, by avoiding multi-cataloguing has been a vision
2
Hellenic Academic Libraries Link: http://www.seab.gr
http://tiny.cc/t8ns8y
4Integrated Library System as a Service: http://tiny.cc/y7ns8y
3Zephyros:
1Hellenic
Academic Libraries Union Catalog:
http://www.unioncatalog.gr
20
Hellenic Libraries Union Catalog (HLUC)
Journal of Integrated Information Management - Vol 03, No 02
•
•
•
•
•
•
•
•
•
•
•
Monitor the life cycle of a record from its creation in
a local library system up to its incorporation into
HLUC
Advanced capabilities in terms of debugging and
reporting for the member libraries
Mass corrections to local collections of participating
libraries
Inclusion of journals and electronic materials
Use of MARC21 as the basic standard for the
production of the HLUC
Innovative algorithm for deduplication / identical
record matching and consistent generation of the
Master Record - Full, backward, detection of the
different entries
Simplification of HLUC’s data updating procedures Provision for real-time differential renewal where
technically feasible
New search interface for the end user (use of facet
search, Web2.0 technologies, etc.)
Ability to copy records (copy cataloguing)
Implementation and linking with the existing Iris
interlibrary loan network
•
•
•
data integration (initial data extraction – transfer to
NLG – upload of records to HLUC)
profile creation for the member libraries
examination of their (member libraries) data, and
examine and detect any system failures
The aim of this stage was the handling of any problems
and/or failures and the transition into the production mode
of the Union Catalogue.
V. METHODOLOGY FOR THE IMPLEMENTATION OF THE UNION
CATALOGUE
New infrastructure was created to monitor the life cycle of a
bibliographic record. The transcribing of a bibliographic
record, from the beginning of its life cycle when created by
a librarian at a local library system up to its incorporation in
the HLUC plays a central role in the new operating
environment. In this way, changes in the record statuses are
monitored, while at the same time there is a direct link
between the transcriptions of the records, in their primary
form, and the entries finally entered into the HLUC.
A. Bibliographic Recording Storage Model
The bibliographic record storage model within the Union
Catalogue Management System - UCMS, as shown in Figure
1 below, stores a set of bibliographic data originating from a
local library that form the UCMS record for that particular
library.
While at institutional level it will:
• Create a National Libraries Network through the
creation of the HLUC
• Create a point of access to the bibliographic material
of the country with multiple interconnection options
(National Cataloguing Center)
• Create a National Archive of Authority Control Terms
• Create a National Interlibrary Loan Network for books
and other printed and / or digital material supported
by the HLUC infrastructure
The ultimate goal of HLUC is the transition to a modern
environment of accessibility and visibility of the country's
bibliographic wealth, under the auspices of the National
Library of Greece.
IV. DESIGN AND IMPLEMENTATION
The design and implementation of the project were carried
out by the HEAL-Link Annex at the National Technical
University of Athens in collaboration with the National
Library of Greece. The choice was made due to the necessary
know - how already available in the Annex, following its
contribution to the creation of the HALUC. The result of this
cooperation was the transfer of know-how and the
development of a close collaboration between the
employees of the National Library of Greece and the HEALLink NTUA Annex. The implementation of the project was
carried out in two stages.
The first stage of the implementation of the project
consisted of the technical application design and the
implementation of the integrated IT system. The second
stage of the project included the population of the HLUC
with bibliographical data from the member libraries that
participated in the pilot phase. The steps were the following:
Figure 1 UCMS Bibliographic Record storage model
The life cycle stages of a bibliographic record in UCMS, are
illustrated in Figure 2 below. Specifically, the bibliographic
record can take the following phases:
Initial phase
• New: This is a record that comes from a local library
system and is not present in UCMS, resulting in a new
entry
• Update: This is a record already existing in UCMS,
which will be updated
Interim phase (control mode)
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Hellenic Libraries Union Catalog (HLUC)
Journal of Integrated Information Management - Vol 03, No 02
•
•
•
Self-check: This is the phase in which every entry
initiates an integrity check and runs a deduplication
process within the records of a library collection. In
addition, in this phase, all necessary fields / collection
information in UCMS is being completed.
Global-check: This is the phase in which every entry
initiates an integrity check and runs a deduplication
process with the records of all library collections. In
addition, in this phase, all necessary fields / collection
information in UCMS is being completed.
•
•
•
•
•
Final phase
• Erroneous: this is the situation where a record does
not pass the integrity testing procedures due to
errors in the raw data of the record (lack of fields,
incorrect fields etc.), and it remains in this state until
it is corrected or removed in the local catalogue
(Deprecated)
• Deprecated: This is the state where an entry refers to
when it is "removed" by the local library system
(withdrawal, lost item, merger, etc.)
• Duplicate: This is the state in which a record, within a
library collection, is found to be a duplicate. This entry
along with the other duplicate records cannot be
joined in HLUC and it is necessary to take action to
remove the error (correction, merging, etc.)
• In union: it is the state where a record has passed
successfully the integrity check and participates in
HLUC
Data Status (format, character set, library system,
etc.)
Collections – Subject Heading for books (book
collection evaluation, scarcity , subject areas covered)
Policies (cataloguing, loaning, authorities, etc.)
Technical features (connectivity methods for data
updates, ease of data extraction, etc.)
Copyright (contributing metadata, items, etc.)
Compliance with the terms and conditions for
participation in the HLUC (technical requirements,
availability, terms, etc.)
In Figure 3 the library eligibility certification procedure is
shown.
Figure 3 HLUC Participation -- Library Eligibility Certification
Procedure
Workflow 2 - Preliminary activities
Once the library has been certified, it can start with the
preliminary activities, which are finalized by preparing the
bibliographic data of the library’s collections. The phases of
the preliminary activities are as follows: initial extraction uploading records to UCMS, data analysis, conversions and
integrity checks and the process of de-duplicating / locating
duplicate library records.
The phases of the preparatory actions are illustrated in
Figure 4.
Figure 2. UCMS Bibliographic Record Life Cycle
B. Workflows
Workflow 1 - Eligibility checking - Certification for
participation in HLUC
The conditions and requirements for library participation in
HLUC are:
Figure 4 Preliminary Activities Phases
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Hellenic Libraries Union Catalog (HLUC)
Journal of Integrated Information Management - Vol 03, No 02
Workflow 3 - Records identification process
Immediately after the completion of the preliminary
activities for those records that change to the «In union»
state, the matching-records algorithm will be run, which will
result in the final records of HLUC (master records and
single-entry records).
The way the records will be merged depends on the use for
which these records (master and/or single records) are
intended, as shown in Figure 5. Specifically, there is a
different way that the records will be merged in order to be
presented through the Online Public Access Catalogue, or for
the Interlibrary Loan System and they will be structured
differently for display in the Cataloguing Center. The
differences are mainly about the way and the degree of the
field merging.
Figure 6 Search Results though the HLUC Interface
The main objective is to allow users to search and browse all
library resources by replacing the traditional OPAC. VuFind
is a fully scalable system and can be modified by adding
modules, so that it can better respond to the HLUC’s
requirements.
It
is
based
on
Apache
Solr
(http://lucene.apache.org/solr/), which is an open source
enterprise search platform that offers great performance
and scalability. It also enables VuFind to respond to search
queries in milliseconds. Finally, it has the capability of data
sharing and can extent the directory load over multiple
servers or in a clustered server environment, thus serving
many architectural infrastructures. This feature is very
useful, as the HLUC bibliographic records are expected to
exceed 5 million, while the number of users that will be
accessing it, will range to several thousand per day.
Figure 5 Record Identification Process
VI. TECHNOLOGIES – INTEGRATED DEVELOPMENT ENVIRONMENT AND
ARCHITECTURE
A key option for the presentation of the HLUC was the
development using open source technologies. This
preference has served both the need to maintain costs at
low level and, above all, the desired aim for increased
parameterization / modification of these applications so as
to meet all the specific requirements.
A. Integrated Library Information System
As a management information system for hosting the
bibliographic records of HLUC, the Koha platform was
selected [5]. Koha is an open source software already used
by many Greek libraries. Given that Koha is offered as a
comprehensive software with a three-tier architecture (Web
Server, Php / SGI Perl Scripts and MySql Database Level,
based on open source technologies), it is relatively easy for
modification and parameterization.
Figure 7 Item in the HLUC Interface
B. HLUC Interface for end users
C. HLUC Architecture
VuFind [7,8] has been selected as the preferred solution to
be used for the federated search for the HLUC bibliographic
data. Samples of the user interface are presented in Figure 6
and Figure 7.
In order to develop the tools and implement the systems, a
computational infrastructure was required, which hosted
the development and will continue to host the system when
it will be in full operation. The installation of the systems was
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Hellenic Libraries Union Catalog (HLUC)
Journal of Integrated Information Management - Vol 03, No 02
implemented on the existing GRNET infrastructure5 physical
and virtual machines. The operating system of these servers
is one of the freely available Linux distributions. The offered
servers have no restrictions on the operating infrastructure
they will host and are designed to meet 100% of all Linux
distributions.
Fig. 8 below schematically illustrates the physical
architecture of the system as it has been designed for the
successful implementation of this project. Note that the
distinctiveness of the servers and networks of the figure
below is intended to better understand its structure alone,
and it is not the final infrastructure.
commerce suppliers, electronic databases, etc.) through an
interface for the librarian in charge of interlibrary loan.
Today, smILLe is used by 46 libraries and has served around
30,000 interlibrary loan requests (about 15-20 per day).
Academic users (lecturers, researchers, students, etc.) with
personal accounts amount to approximately 3,500, while
librarians can serve them directly.
VII. BENEFICIARIES
All types of libraries in Greece (Academic, Public, Municipal,
Special, Research, Private, etc.) are entitled to participate in
HLUC, in particular the libraries whose collections /
catalogues can be used by HLUC to promote and preserve
them. HLUC aims to become a reservoir of high-quality
bibliographic resources and, on the other hand, to promote,
among other things, rare, expert, etc. bibliographic material.
Two calls for participation have already been sent during the
pilot phase of HLUC, in which 52 member libraries
participated by sending their data.
VIII. FUTURE OBJECTIVES OF THE HLUC
As mentioned above, HLUC has a lot of potential, while at
the same time it could be further expanded with the aim of
meeting the needs and requirements of the new era.
Following are some of the future objectives of the HLUC,
which demonstrate the dynamic and the continuity of this
national infrastructure.
• Activate Interconnected Data Interface
• Dissemination of HLUC data using the RDF triplets
technology for the development of new services
• Interconnection with International Organizations
• Expansion and interconnection of the NLG Greek
Libraries Network
• Transformation of the IRIS Interlibrary Loan Network
and its conversion into a National Interlibrary Loan
Network (for books and printed journals)
• Participation in libraries’ committees for the creation
of common policies and the use of common
standards in cataloguing and subject indexing
• Provision for counseling services and training,
whenever possible, to address any problems and
weaknesses in the library catalogues in Greece and
Cyprus
Figure 8 HLUC Architecture
In Fig. 9 the HLUC Management Information System
architecture is presented.
HLUC is and will be a catalogue with a lot of potential for
growth and prospect. A key requirement for achieving its
objectives is the continuous investment in resources
(human, infrastructure and technical support). The truth is
that libraries, regardless of genre, face many common
problems, for which solutions must be found mainly through
cooperative processes and the application of good practices.
All member libraries can play an active role in improving
HLUC.
Figure 9 HLUC Management Information System
Architecture
D. Interlibrary Loan System
For the development of a National Interlibrary Loan
Network, the open source smILLe software will be used,
which was developed for the needs of the interlibrary loan
(for books and articles) of the Hellenic Academic Libraries
(Interlibrary Loan System "IRIS") 6 -). Among its significant
advantages is its unified access to all resources (libraries, e-
5
6
Greek
Academic
Interlibrary
https://iris.seab.gr/admin/login.php
GRNET: https://grnet.gr/company/
24
Loan
System:
:
Hellenic Libraries Union Catalog (HLUC)
Journal of Integrated Information Management - Vol 03, No 02
Library and Information Science, a M.A. from Harvard
University, Cambridge, MA, USA in Management and
Administration, and a M.Sc. degree in Digital Systems, with
specialization in technologically enhanced learning from the
University of Piraeus. The Master thesis was entitled
“Citation Analysis in the field of Technology Enhanced
Learning”. She has worked for more than 10 years at Harvard
University in various positions and for 3 years at the “Athens
2004” Olympic Games Organizing Committee as
Accreditation Data Center Coordinator. Following the
Games, she worked for the Doha Asian Games in Qatar and
since 2007 for the National Technical University of Athens,
for the EU Projects, Ariadne and Advanced Services for Open
Access Digital Libraries. She has a number of publications
and conference presentations related to the projects she
participated.
REFERENCES
[1] K. Coyle, "The virtual union catalog: a comparative
study", D-Lib Magazine, vol. 6, no. 3, 2000.
[2] R. Al-Jarf, "A comparison of the union catalogs of the
Egyptian University Library Consortium and
OhioLINK", 2017 Joint International Conference on
Information and Communication Technologies for
Education and Training and International Conference
on Computing in Arabic (ICCA-TICET), pp. 1–18, 2017.
[3] I.R. Mowat, "A NATIONAL UNION CATALOGUE: THE ?
EDITION", Online and CD-ROM Review, vol. 20, no. 4,
pp. 200-202, 1996.
[4] G. Evans, T. Schwing, "OhioLINK – recent
developments at a United States academic library
consortium", Interlending and Document Supply, vol.
44, no. 4, pp. 172-177, 2016.
[5] Dimitrios Kouis, George Veranis, Eleni Papadatou &
Nikolaos Mitrou (2018) Operational and Financial
Aspects for Delivering a Consortium Shared LMS - The
MITOS Project, Journal of Library Administration,
58:5,
482-502,
DOI:
10.1080/01930826.2018.1468662
[6] Open Source ILS - Integrated Library System.
Koha, www.koha.org/.
[7] Search. Discover. Share. VuFind, vufind.org/vufind
[8] J. Emanuel, "Usability of the VuFind Next-Generation
Online Catalog", Information Technology and
Libraries, vol. 30, no. 1, pp. 44–52, 2011.
George Veranis received his
Diploma in Applied Informatics and
his MSc in Information Systems
from University of Macedonia in
Thessaloniki in 2005 and 2008
respectively.
He works as Senior Software
Developer for Hellenic Academic
Libraries Link Services since 2008.
He has been involved in numerous projects developing,
deploying and enhancing several applications, systems and
websites to meet and satisfy objectives. Also is very
experienced with interoperability between different
applications, because he has developed a middleware based
on that and also has participate in other open source
projects. Moreover, has developed open source smILLe
which is used by National Network of Interlibrary Loan in
Greece.
His research interests include knowledge management,
could computing, information retrieval, software
engineering, semantic web technologies, data mining,
bibliometrics and research evaluation methods, library
management systems, webservices and middleware
systems.
He has 12 published articles in international scientific
journals and conference proceedings.
AUTHORS
Marilia Apostolaki was born in
Athens. She received her bachelor
degree in Librarianship from ATEI of
Athens in 2005. She is presently
attending an MSc in Information
Management in Libraries, Archives,
and Museums at the University of
West Attica, Department of Archival,
Library and Information Studies. She
has worked for the Greek Parliament Library and the Library
of the Archaeological Society in Athens. Currently, she is
working as a Librarian at the National Library of Greece and
is in charge of the Periodicals Department, handling
newspapers and serials (journals and magazines).
Christina
Anastasopoulou
is
working as an Electronic Resources
Librarian for the National Technical
University of Athens Central Library
and NTUA HEAL-Link. She graduated
from the Economics Department of the
National Kapodistrian University of
Athens, and holds a M.Sc. from
Simmons College, Boston, MA, USA in
25