In this paper we describe DSpace™, an open source system that acts as a repository for digital research and educational material produced by an organization or institution. DSpace was developed during two years’ collaboration between the Hewlett-Packard Company and MIT Libraries. The development team worked closely with MIT Libraries staff and early adopter faculty members to produce a ‘breadth-first’ system, providing all of the basic features required by a digital repository service. As well as functioning as a live service, DSpace is intended as a base for extending repository functionality, particularly to address long-term preservation concerns. We describe the functionality of the current DSpace system, and briefly describe its technical architecture. We conclude with some remarks about the future development and operation of the DSpace system.

Name ambiguity of authors is a long-standing challenge in Digital Libraries. Simple string searches for authors often have unsatisfactory results: publications by the author in which their name is written differently cannot be found, and publications by other authors of the same name get included. The authors can be distinguished with the use of persistent identifers. This improves the search function and also contributes to the data linking process. But many catalogs of libraries are not fully disambiguated and it is not feasible for big libraries like the ZBW - Leibniz Information Centre for Economics to disambiguate the bibliographic records manually. The goal of this work is to help the ZBW with their disambiguation task. For this purpose I analysed the datasets of the ZBW and identifed the challenges that need to be overcome. I proposed an approach which uses already disambiguated records to assign persistent identifer to ambiguous author references. The approach could disambiguate ambiguous author references, though the quality of the method needs to be further evaluated.:List of Figures List of Tables Listings List of Algorithms 1 Introduction 1.1 Aim of the work 1.2 Structure of the thesis 2 Author disambiguation 2.1 Formal defnition 2.2 Types of disambiguation methods 2.3 Types of disambiguation features 2.4 Co-authorship as a disambiguation feature 3 The datasets of the ZBW 3.1 Methodology 3.2 Analysing the Econis data 3.3 Disambiguating names from other sources 4 Current approaches 4.1 Solving the common name problem 4.2 An incremental approach 4.3 Approaches in related fields 5 Proposal of an application-relevant approach 5.1 Disambiguation approach 5.2 Test datasets 5.3 Evaluation of the results 5.3.1 Partly disambiguated bibliographic records 5.3.2 Ambiguous bibliographic records with two or more authors 5.3.3 Ambiguous bibliograpic records with one author 6 Conclusion A Full figures B Extended tables C Full results of the tests of the proposed method C.1 Partly disambiguated bibliographic records C.2 Ambiguous bibliographic records Bibliography

In producing a user interface design to visualize search results for a digital library called Envision [Nowell, France, Hix, Heath, &amp; Fox, 1996] [Fox, Hix, Nowell, et al., 1993] [Nowell &amp; Hix, 1993], we found that choosing graphical devices and document attributes to be encoded with each graphical device is a surprisingly difficult task. By <i>graphical devices</i> we mean those visual display elements (e.g., color, shape, size, position, etc.) used to convey encoded, semantic information. Research in the areas of psychophysics of visual search and identification tasks, graphical perception, and graphical language development provides scientific guidance for design and evaluation of graphical encodings which might otherwise be reduced to opinion and personal taste. However, literature offers inconclusive and often conflicting viewpoints, suggesting a need for further research. The goal of this research was to determine empirically the effectiveness of graphical devices for encoding nominal and quantitative information in complex visualization displays. Using the Envision Graphic View, we conducted a within-subjects empirical investigation of the effectiveness of three graphical devices - <i>icon color, icon shape,</i> and <i>icon size</i> - in communicating nominal (document type) and quantitative (document relevance) data. Our study provides empirical evidence regarding the relative effectiveness of icon color, shape, and size for conveying both nominal and quantitative data. While our studies consistently rank color as most effective, the rankings differ for shape and size. For nominal data, icon shape ranks ahead of icon size by all measures except time for task completion, which places shape behind size. For quantitative data, we found, by all measures, that encodings with icon shape are more effective than with icon size. We conclude that the <i>nature of tasks</i> performed and the relative <i>importance of measures of effectiveness</i> are more significant than the type of data represented for designers choosing among rankings. / Ph. D.

This thesis is a report of a research and design process for creating a layer for a certain Digital Library; a layer that allows users to communicate and socialize with each other within the environment of the Digital Library. Also, the effects that this layer could have on the users’ behaviors, social lives, and private lives, were evaluated.In the process, the most-visited Digital Libraries have been introduced and examined. Furthermore, they have been compared with each other using a united framework. In addition, the user group has been chosen, analyzed and categorized. According to that, International Children’s Digital Library has been chosen as the most suitable Digital Library for the target user group.Through series of prototypes and workshops done with a selection of user group representatives, design decisions were made and tried out. The final outcome of these workshops is a prototype layer for International Children’s Digital Library that allows users to communicate and socialize with one another. As a further matter, the potential effects it could have were explained.

Digital Libraries (DLs) are software systems specifically designed to assist users in information seeking activities. Stemming from the intersection of library sciences and computer networking, traditional DL systems impose library philosophies of structure and management on the sprawling collections of data that are made possible through the Internet. DLs evolve to keep pace with innovation on the Internet so there is little standardization in the architecture of such systems. However, in attempting to provide users with the highest possible levels of service with the minimum possible effort, many systems work collaboratively with others, e.g., meta-search engines. This type of system interoperability is encouraged by the emergence of simple data transfer protocols such as the Open Archives Initiative?s Protocol for Metadata Harvesting (OAI-PMH). Open Digital Libraries are an extension of the work of the OAI. It is proposed in this dissertation that the philosophy and approach adopted by the OAI can easily be extended to support inter-component interaction within a componentized DL. In particular, DLs can be built by connecting small components that communicate through a family of lightweight protocols, using XML as the data interchange mechanism. In order to test the feasibility of this, a set of protocols was designed based on a generalization of the work of the OAI. Components adhering to these protocols were implemented and integrated into production and research DLs. These systems were then evaluated for simplicity, reusability, and performance. On the whole, this study has shown promise in the approach of applying the fundamental concepts of the OAI protocol to the task of DL component design and implementation. Further, it has shown the feasibility of building componentized DL systems using techniques that are a precursor to the Web Services approach to system design. / Ph. D.

Digital libraries are fast expanding into the role of independent educational entities that aspire not only to complementing traditional classroom teaching, but also allow open electronic learning for distance and continued education. These multifaceted roles can be realized only if the course content and the related content management system are versatile enough to be captured into any individual's learning needs. Many studies have defined a concept of "learning object" to address the issues and needs. But in attempting to solve the problem, the definitions have emphasized some aspects of the digital library while leaving the other issues to be solved later. Thus, the whole system dynamics is either weak or too cumbersome to navigate. As a part of this masters work, firstly the current model of pedagogical endowment was investigated. In order to accommodate the digital nature of education, a new modern profile of learning is proposed that allows modular yet efficient transfer of knowledge from the teacher to the pupil. The thesis then proposes a comprehensive learning object (LO) model, along with the associated system model, that will allow complete and flexible integration of content into the modern digital library profile. The process will be user-centric (both for knowledge developers and learners) as well as metadata-centric. It is scalable and interoperable with legacy and existing content databases and display systems. This thesis covers how the LO model is integrated into the core of the library's content development, discovery, and delivery process. The results of the experiment in terms of ease-of-use, flow-control, and feasibility of the model are documented. A beta-version of these concepts has been successfully tested with volunteers and implemented as a part of the Digital Library Network for Engineering and Technology (DLNET) project. / Master of Science

Das Bibliothekswesen steht vor der Herausforderung, die rasant wachsende und umfassende Verbreitung digitaler Medien in neue Nutzungskonzepte einzubinden, beispielsweise durch eine Steigerung der Aufenthaltsqualität. (vgl. Bonte, 2011) Begriffe wie digital library, hybrid library oder blended library versuchen, die Rolle der Bibliotheken im digitalen Zeitalter neu zu definieren. (vgl. Gläser, 2008) Die Sächsische Landes- und Universitätsbibliothek (SLUB) begegnet dieser Herausforderung unter anderem mit dem verstärkten Aufbau digitaler Bestände. Sie verfügt daher über umfangreiche digitale Kollektionen, die mit Hilfe eines geplanten öffentlichen interaktiven Systems für die Bibliotheksbesucher auf ansprechende Weise erfahrbar gemacht werden sollen. Die Exploration der digitalen Sammlungen steht dabei im Vordergrund, bereits existierende Katalogfunktionalität soll nicht ersetzt, sondern ergänzt werden. Zu diesem Zweck wird untersucht, wie durch öffentliche Interaktion das Interesse an digitalen Inhalten am Beispiel der Sammlung „Deutsche Fotothek“ gesteigert werden kann. Dabei wird besonders betrachtet, wie durch Embodied Interaction in Verbindung mit der Visualisierung des komplexen Informationsraumes der digitalen Sammlungen eine leicht erlernbare gestenbasierte Steuerung erreicht werden kann. (Dourish, 2004) Der Hauptbeitrag dieser Arbeit liegt in der Konzeption und Umsetzung eines Anwendungsprototypen, der im öffentlichen Bereich der SLUB installiert wird.

Das Bibliothekswesen steht vor der Herausforderung, die rasant wachsende und umfassende Verbreitung digitaler Medien in neue Nutzungskonzepte einzubinden, beispielsweise durch eine Steigerung der Aufenthaltsqualität. (vgl. Bonte, 2011) Begriffe wie digital library, hybrid library oder blended library versuchen, die Rolle der Bibliotheken im digitalen Zeitalter neu zu definieren. (vgl. Gläser, 2008) Die Sächsische Landes- und Universitätsbibliothek (SLUB) begegnet dieser Herausforderung unter anderem mit dem verstärkten Aufbau digitaler Bestände. Sie verfügt daher über umfangreiche digitale Kollektionen, die mit Hilfe eines geplanten öffentlichen interaktiven Systems für die Bibliotheksbesucher auf ansprechende Weise erfahrbar gemacht werden sollen. Die Exploration der digitalen Sammlungen steht dabei im Vordergrund, bereits existierende Katalogfunktionalität soll nicht ersetzt, sondern ergänzt werden. Zu diesem Zweck wird untersucht, wie durch öffentliche Interaktion das Interesse an digitalen Inhalten am Beispiel der Sammlung „Deutsche Fotothek“ gesteigert werden kann. Dabei wird besonders betrachtet, wie durch Embodied Interaction in Verbindung mit der Visualisierung des komplexen Informationsraumes der digitalen Sammlungen eine leicht erlernbare gestenbasierte Steuerung erreicht werden kann. (Dourish, 2004) Der Hauptbeitrag dieser Arbeit liegt in der Konzeption und Umsetzung eines Anwendungsprototypen, der im öffentlichen Bereich der SLUB installiert wird.:1 EINFÜHRUNG 6 1.1 MOTIVATION 6 1.2 ZIELSTELLUNG 7 1.3 GLIEDERUNG 7 2 GRUNDLAGEN 9 2.1 KOGNITION UND RAUMWAHRNEHMUNG 9 2.2 CHARAKTERISTIKEN DES ÖFFENTLICHEN RAUMES IN BIBLIOTHEKEN 9 2.2.1 Öffentlichkeit in der Bibliothek 10 2.2.2 Bühnenmetapher 10 2.2.3 Zusammenfassung 10 2.3 INTERAKTION IM RAUM 10 2.3.1 Begriffsdefinition 10 2.3.2 Räumliche Interaktion 11 2.3.3 Zusammenfassung 12 2.4 INFORMATIONSVISUALISIERUNG 12 2.4.1 Begriffsklärung 12 2.4.2 Datenbild und Navigationsbild 13 2.4.3 Darstellung von Relationen in Baum und Netz 15 2.4.4 Information Visualization Framework 18 2.4.5 Zusammenfassung 18 2.5 EXPLORATION KOMPLEXER DATENRÄUME 19 2.5.1 Exploration 19 2.5.2 Immersion 21 2.5.3 Emersion 21 2.5.4 Zusammenfassung 22 2.6 PERSONENTRACKING MIT MICROSOFT KINECT® 23 2.7 GESTENERKENNUNG 25 3 VERWANDTE ARBEITEN 27 3.1 AMBIENTE DISPLAYS 27 3.2 GESTISCHE INTERAKTION 28 3.3 EXPLORATIONSTECHNIKEN FÜR INFORMATIONSRÄUME 30 4 SYNTHESE UND KONZEPTION 32 4.1 ZIELVISION 32 4.2 INFORMATIONSKONZEPT 34 4.2.1 Initiale Auswahl und Analyse der Bestandsdaten 35 4.2.2 Verfeinerung der selektierten Bestände 36 4.2.3 Organisation der relevanten Daten 38 4.3 DARSTELLUNGSKONZEPT 40 4.3.1 Interface 40 4.3.2 Graphkomponente 41 4.3.3 Galeriekomponente 45 4.4 RAUMSITUATION UND INTERAKTIONSKONZEPT 49 4.4.1 Raumsituation 49 4.4.2 Aufmerksamkeit und Nutzerverhalten 53 4.4.3 Interaktionskonzept 54 5 UMSETZUNG 61 5.1 BACKEND 61 5.1.1 Verarbeitung der Bestandsdaten 62 5.1.2 Tracking und Gestenerkennung 63 5.2 MIDDLEWARE 65 5.2.1 Zugriff auf Bestandsdaten 65 5.2.2 Zugriff auf Trackingdaten 67 5.3 FRONTEND 68 5.3.1 Verarbeitung der Nutzereingaben 68 5.3.2 Galeriekomponente 71 5.3.3 Graphkomponente 77 6 ZUSAMMENFASSUNG 84 6.1 FAZIT 84 6.2 AUSBLICK 85 6.2.1 Verbesserungsvorschläge 85 6.2.2 Konzeptionelle Beschränkungen 86 6.2.3 Erweiterte Zielvision 87 7 ANHANG 89 A LITERATURVERZEICHNIS 89 B ABBILDUNGSVERZEICHNIS 94 C TABELLENVERZEICHNIS 97 D QUELLKODEVERZEICHNIS 98 E LISTE DER KOLLEKTIONSTITEL IN DEN DIGITALEN SAMMLUNGEN 99 F METAINFORMATIONEN FÜR DATENSÄTZE DER DEUTSCHEN FOTOTHEK 100 G ÜBERSICHT DER AUSGEWÄHLTEN KNOTENHIERARCHIE UND UNTERKNOTEN 103 H DEPLOYMENT-ANLEITUNG 104

Orientador: Silvana Aparecida Borsetti Gregório Vidotti / Banca: Plácida Leopoldina Ventura Amorim da Costa Santos / Banca: Sérgio Antonio Rohm / Resumo: O desenvolvimento de tecnologias de informação e comunicação aplicadas às informações geográficas cresce de forma considerável e torna mais visível o aumento de Sistemas de Informações Geográficas, principalmente em ambientes governamentais, que buscam disponibilizar a informação geográfica a um número de pessoas cada vez maior. O objetivo deste trabalho é apresentar uma arquitetura com elementos para a construção de uma Biblioteca Digital Geográfica Distribuída, utilizando os padrões e os conceitos da Ciência da Informação juntamente com o Geoprocessamento. Serão apresentados os conceitos de bibliotecas digitais, os padrões de metadados para informações geográficas, além de geo-ontologias que contribuem para melhor organização e recuperação da informação geográfica. Utilizou-se os SIGs e a teoria da Ciência da Informação, focadas em especial para o desenvolvimento de Biblioteca Digital Geográfica Distribuída. A proposta para construção de uma Biblioteca Digital Geográfica Distribuída baseia-se no princípio de cooperação entre sistemas e considera o acesso livre as informações geográficas, a interoperabilidade possibilitada pela padronização dos metadados e das geo-ontologias. A arquitetura proposta para o desenvolvimento de Bibliotecas Digitais Geográficas Distribuídas atende os requisitos de representação da informação, as formas de comunicação e o protocolo de coleta de metadados e objetos digitais, possibilitando assim, o compartilhamento dos acervos informacionais geográficos distribuídos em diferentes Bibliotecas Digitais Geográficas. Apontam-se os elos entre o Geoprocessamento e a Ciência da Informação em relação à estruturação de ambientes de informações geográficas, que possam ser acessadas via rede de computadores. / Abstract: The development of technologies of information and communication applied to the Geographical information grow in a considerable way and become more visible the increase of Geographic Information Systems, mainly in governments environments, that worry in supplying the geographic information for more and more people. The target of this work is to present an architecture with elements for the construction of a distributed geographical digital library, using patterns and concepts of the Information Science together with geoprocessing. The concepts of digital libraries and the patterns of metadata for geographical information will be presented, besides the geo-ontologies that contribute to better organization and recovery of geographical information. It was used the Geographic Information Systems and the theory of Information Science, focused mainly to the development of distributed geographical digital library.The proposal for construction of the distributed geographical digital library is on the principle of cooperation among systems and it considers the free access to geographical information, the interoperability facilitated by the standardization of the metadatas and geo-ontologies. The architecture proposed for the development of distributed geographical digital libraries assists the requirements of representations of the information, ways of communications and collection protocols for metadatas and digital objects, facilitating thus, the share of collections of geographical informations distributed at several Geographical Digital Libraries. The links between the geoprocessing and Information Science is pointed out with regard to the structuring of geographical information environment that can be accessed through computers network. / Mestre

Made available in DSpace on 2014-06-11T19:26:45Z (GMT). No. of bitstreams: 0 Previous issue date: 2006-08-29Bitstream added on 2014-06-13T20:55:15Z : No. of bitstreams: 1 santos_ms_me_mar.pdf: 2277134 bytes, checksum: 2c1d35de92755006ed8a8f0016328bfe (MD5) / Universidade Estadual Paulista (UNESP) / O desenvolvimento de tecnologias de informação e comunicação aplicadas às informações geográficas cresce de forma considerável e torna mais visível o aumento de Sistemas de Informações Geográficas, principalmente em ambientes governamentais, que buscam disponibilizar a informação geográfica a um número de pessoas cada vez maior. O objetivo deste trabalho é apresentar uma arquitetura com elementos para a construção de uma Biblioteca Digital Geográfica Distribuída, utilizando os padrões e os conceitos da Ciência da Informação juntamente com o Geoprocessamento. Serão apresentados os conceitos de bibliotecas digitais, os padrões de metadados para informações geográficas, além de geo-ontologias que contribuem para melhor organização e recuperação da informação geográfica. Utilizou-se os SIGs e a teoria da Ciência da Informação, focadas em especial para o desenvolvimento de Biblioteca Digital Geográfica Distribuída. A proposta para construção de uma Biblioteca Digital Geográfica Distribuída baseia-se no princípio de cooperação entre sistemas e considera o acesso livre as informações geográficas, a interoperabilidade possibilitada pela padronização dos metadados e das geo-ontologias. A arquitetura proposta para o desenvolvimento de Bibliotecas Digitais Geográficas Distribuídas atende os requisitos de representação da informação, as formas de comunicação e o protocolo de coleta de metadados e objetos digitais, possibilitando assim, o compartilhamento dos acervos informacionais geográficos distribuídos em diferentes Bibliotecas Digitais Geográficas. Apontam-se os elos entre o Geoprocessamento e a Ciência da Informação em relação à estruturação de ambientes de informações geográficas, que possam ser acessadas via rede de computadores. / The development of technologies of information and communication applied to the Geographical information grow in a considerable way and become more visible the increase of Geographic Information Systems, mainly in governments environments, that worry in supplying the geographic information for more and more people. The target of this work is to present an architecture with elements for the construction of a distributed geographical digital library, using patterns and concepts of the Information Science together with geoprocessing. The concepts of digital libraries and the patterns of metadata for geographical information will be presented, besides the geo-ontologies that contribute to better organization and recovery of geographical information. It was used the Geographic Information Systems and the theory of Information Science, focused mainly to the development of distributed geographical digital library.The proposal for construction of the distributed geographical digital library is on the principle of cooperation among systems and it considers the free access to geographical information, the interoperability facilitated by the standardization of the metadatas and geo-ontologies. The architecture proposed for the development of distributed geographical digital libraries assists the requirements of representations of the information, ways of communications and collection protocols for metadatas and digital objects, facilitating thus, the share of collections of geographical informations distributed at several Geographical Digital Libraries. The links between the geoprocessing and Information Science is pointed out with regard to the structuring of geographical information environment that can be accessed through computers network.