-
Kruk, S.R.; Westerki, A.; Kruk, E.: Architecture of semantic digital libraries (2009)
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- Abstract
- The main motivation of this chapter was to gather existing requirements and solutions, and to present a generic architectural design of semantic digital libraries. This design is meant to answer a number of requirements, such as interoperability or ability to exchange resources and solutions, and set up the foundations for the best practices in the new domain of semantic digital libraries. We start by presenting the library from different high-level perspectives, i.e., user (see Sect. 2) and metadata (see Sect. 1) perspective; this overview narrows the scope and puts emphasis on certain aspects related to the system perspective, i.e., the architecture of the actual digital library management system. We conclude by presenting the system architecture from three perspectives: top-down layered architecture (see Sect. 3), vertical architecture of core services (see Sect. 4), and stack of enabling infrastructures (see Sect. 5); based upon the observations and evaluation of the contemporary state of the art presented in the previous sections, these last three subsections will describe an in-depth model of the digital library management system.
-
Koch, T.: Quality-controlled subject gateways : definitions, typologies, empirical overview (2000)
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- Abstract
- 'Quality-controlled subject gateways' are Internet services which apply a rich set of quality measures to support systematic resource discovery. Considerable manual effort is used to secure a selection of resources which meet quality criteria and to display a rich description of these resources with standards-based metadata. Regular checking and updating ensure good collection management. A main goal is to provide a high quality of subject access through indexing resources using controlled vocabularies and by offering a deep classification structure for advanced searching and browsing. This article provides an initial empirical overview of existing services of this kind, their approaches and technologies, based on proposed working definitions and typologies of subject gateways
- Date
- 22. 6.2002 19:37:55
-
Blandford, A.; Adams, A.; Attfield, S.; Buchanan, G.; Gow, J.; Makri, S.; Rimmer, J.; Warwick, C.: ¬The PRET A Rapporter framework : evaluating digital libraries from the perspective of information work (2008)
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- Abstract
- The strongest tradition of IR systems evaluation has focused on system effectiveness; more recently, there has been a growing interest in evaluation of Interactive IR systems, balancing system and user-oriented evaluation criteria. In this paper we shift the focus to considering how IR systems, and particularly digital libraries, can be evaluated to assess (and improve) their fit with users' broader work activities. Taking this focus, we answer a different set of evaluation questions that reveal more about the design of interfaces, user-system interactions and how systems may be deployed in the information working context. The planning and conduct of such evaluation studies share some features with the established methods for conducting IR evaluation studies, but come with a shift in emphasis; for example, a greater range of ethical considerations may be pertinent. We present the PRET A Rapporter framework for structuring user-centred evaluation studies and illustrate its application to three evaluation studies of digital library systems.
- Source
- Information processing and management. 44(2008) no.1, S.4-21
-
Ohly, H.P.: ¬The organization of Internet links in a social science clearing house (2004)
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- Abstract
- The German Internet Clearinghouse SocioGuide has changed to a database management system. Accordingly the metadata description scheme has become more detailed. The main information types are: institutions, persons, literature, tools, data sets, objects, topics, processes and services. Some of the description elements, such as title, resource identifier, and creator are universal, whereas others, such as primary/secondary information, and availability are specific to information type and cannot be generalized by referring to Dublin Core elements. The quality of Internet sources is indicated implicitly by characteristics, such as extent, restriction, or status. The SocioGuide is managed in DBClear, a generic system that can be adapted to different source types. It makes distributed input possible and contains workflow components.
-
Kaizik, A.; Gödert, W.; Milanesi, C.: Erfahrungen und Ergebnisse aus der Evaluierung des EU-Projektes EULER im Rahmen des an der FH Köln angesiedelten Projektes EJECT (Evaluation von Subject Gateways des World Wide Web (2001)
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- Date
- 22. 6.2002 19:42:22
- Source
- Information Research & Content Management: Orientierung, Ordnung und Organisation im Wissensmarkt; 23. DGI-Online-Tagung der DGI und 53. Jahrestagung der Deutschen Gesellschaft für Informationswissenschaft und Informationspraxis e.V. DGI, Frankfurt am Main, 8.-10.5.2001. Proceedings. Hrsg.: R. Schmidt
-
Soergel, D.: Digital libraries and knowledge organization (2009)
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- Abstract
- This chapter describes not so much what digital libraries are but what digital libraries with semantic support could and should be. It discusses the nature of Knowledge Organization Systems (KOS) and how KOS can support digital library users. It projects a vision for designers to make and for users to demand better digital libraries. What is a digital library? The term \Digital Library" (DL) is used to refer to a range of systems, from digital object and metadata repositories, reference-linking systems, archives, and content management systems to complex systems that integrate advanced digital library services and support for research and practice communities. A DL may offer many technology-enabled functions and services that support users, both as information producers and as information users. Many of these functions appear in information systems that would not normally be considered digital libraries, making boundaries even more blurry. Instead of pursuing the hopeless quest of coming up with the definition of digital library, we present a framework that allows a clear and somewhat standardized description of any information system so that users can select the system(s) that best meet their requirements. Section 2 gives a broad outline for more detail see the DELOS DL Reference Model.
-
Shiri, A.; Molberg, K.: Interfaces to knowledge organization systems in Canadian digital library collections (2005)
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- Abstract
- Purpose - The purpose of this paper is to report an investigation into the ways in which Canadian digital library collections have incorporated knowledge organization systems into their search interfaces. Design/methodology/approach - A combination of data-gathering techniques was used. These were as follows: a review of the literature related to the application of knowledge organization systems, deep scanning of Canadian governmental and academic institutions web sites on the web, identify and contact researchers in the area of knowledge organization, and identify and contact people in the governmental organizations who are involved in knowledge organization and information management. Findings - A total of 33 digital collections were identified that have made use of some type of knowledge organization system. Thesauri, subject heading lists and classification schemes were the widely used knowledge organization systems in the surveyed Canadian digital library collections. Research limitations/implications - The target population for this research was limited to governmental and academic digital library collections. Practical implications - An evaluation of the knowledge organization systems interfaces showed that searching, browsing and navigation facilities as well as bilingual features call for improvements. Originality/value - This research contributes to the following areas: digital libraries, knowledge organization systems and services and search interface design.
-
Robinson, L.; Bawden, D.: Internet subject gateways (1999)
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- Source
- International journal of information management. 19(1999) no.6, S.311-322
-
Praxishandbuch Portalmanagement : Profitable Stategien für Internetportale (2004)
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- Theme
- Information Resources Management
-
Pinto, F.; Fraser, M.: Access management, the key to a Portal (2003)
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-
Broughton, V.: Organizing a national humanities portal : a model for the classification and subject management of digital resources (2002)
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-
Urs, S.R.; Angrosh, M.A.: Ontology-based knowledge organization systems in digital libraries : a comparison of experiments in OWL and KAON ontologies (2006 (?))
0.02
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- Abstract
- Grounded on a strong belief that ontologies enhance the performance of information retrieval systems, there has been an upsurge of interest in ontologies. Its importance is identified in diverse research fields such as knowledge engineering, knowledge representation, qualitative modeling, language engineering, database design, information integration, object-oriented analysis, information retrieval and extraction, knowledge management and agent-based systems design (Guarino, 1998). While the role-played by ontologies, automatically lends a place of legitimacy for these tools, research in this area gains greater significance in the wake of various challenges faced in the contemporary digital environment. With the objective of overcoming various pitfalls associated with current search mechanisms, ontologies are increasingly used for developing efficient information retrieval systems. An indicator of research interest in the area of ontology is the Swoogle, a search engine for Semantic Web documents, terms and data found on the Web (Ding, Li et al, 2004). Given the complex nature of the digital content archived in digital libraries, ontologies can be employed for designing efficient forms of information retrieval in digital libraries. Knowledge representation assumes greater significance due to its crucial role in ontology development. These systems aid in developing intelligent information systems, wherein the notion of intelligence implies the ability of the system to find implicit consequences of its explicitly represented knowledge (Baader and Nutt, 2003). Knowledge representation formalisms such as 'Description Logics' are used to obtain explicit knowledge representation of the subject domain. These representations are developed into ontologies, which are used for developing intelligent information systems. Against this backdrop, the paper examines the use of Description Logics for conceptually modeling a chosen domain, which would be utilized for developing domain ontologies. The knowledge representation languages identified for this purpose are Web Ontology Language (OWL) and KArlsruhe ONtology (KAON) language. Drawing upon the various technical constructs in developing ontology-based information systems, the paper explains the working of the prototypes and also presents a comparative study of the two prototypes.
-
MacLeod, R.: Promoting a subject gateway : a case study from EEVL (Edinburgh Engineering Virtual Library) (2000)
0.02
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- Date
- 22. 6.2002 19:40:22
-
Subject gateways (2000)
0.02
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- Date
- 22. 6.2002 19:43:01
-
Lee, J.H.; Wishkoski, R.; Aase, L.; Meas, P.; Hubbles, C.: Understanding users of cloud music services : selection factors, management and access behavior, and perceptions (2017)
0.02
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- Abstract
- Recent, rapid changes in technology have resulted in a proliferation of choices for music storage and access. Portable, web-enabled music devices are widespread, and listeners now enjoy a plethora of options regarding formats, devices, and access methods. Yet in this mobile music environment, listeners' access and management strategies for music collections are poorly understood, because behaviors surrounding the organization and retrieval of music collections have received little formal study. Our current research seeks to enrich our knowledge of people's music listening and collecting behavior through a series of systematic user studies. In this paper we present our findings from interviews involving 20 adult and 20 teen users of commercial cloud music services. Our results contribute to theoretical understandings of users' music information behavior in a time of upheaval in music usage patterns, and more generally, the purposes and meanings users ascribe to personal media collections in cloud-based systems. The findings suggest improvements to the future design of cloud-based music services, as well as to any information systems and services designed for personal media collections, benefiting both commercial entities and listeners.
-
Hyldegaard, J.; Lund, H.; Seiden, P.: LIS meets the EIP (2002)
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- Abstract
- To meet a perceived need for information professionals engaging in projects on document and knowledge management, a new course on enterprise information portals (EIP) and intranets has been established at the Royal School of Library and Information Science (RSLIS). The aim of the course has been to provide the graduates with a better understanding of fundamental theoretical, methodological and practical aspects of developing and implementing an EIP. This paper addresses the theoretical, methodological and pedagogical aspects of developing the course and how or whether the expected learning outcome has been reached.
-
Bainbridge, D.; Dewsnip, M.; Witten, l.H.: Searching digital music libraries (2005)
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- Source
- Information processing and management. 41(2005) no.1, S.41-56
-
Renda, M.E.; Straccia, U.: ¬A personalized collaborative Digital Library environment : a model and an application (2005)
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- Source
- Information processing and management. 41(2005) no.1, S.5-21
-
Milanesi, C.: Möglichkeiten der Kooperation im Rahmen von Subject Gateways : das Euler-Projekt im Vergleich mit weiteren europäischen Projekten (2001)
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- Date
- 22. 6.2002 19:41:59
-
Lim, E.: Southeast Asian subject gateways : an examination of their classification practices (2000)
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- Date
- 22. 6.2002 19:42:47
