Search (16 results, page 1 of 1)

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Abstract

This book constitutes the refereed proceedings of the 7th European Conference on Research and Advanced Technology for Digital Libraries, ECDL 2003, held in Trondheim, Norway in August 2003. The 39 revised full papers and 8 revised short papers presented were carefully reviewed and selected from 161 submissions. The papers are organized in topical sections on uses, users, and user interfaces; metadata applications; annotation and recommendation; automatic classification and indexing; Web technologies; topical crawling and subject gateways; architectures and systems; knowledge organization; collection building and management; information retrieval; digital preservation; and indexing and searching of special documents and collection information.

Content

Inhalt: Uses, Users, and User Interaction Metadata Applications - Semantic Browsing / Alexander Faaborg, Carl Lagoze Annotation and Recommendation Automatic Classification and Indexing - Cross-Lingual Text Categorization / Nuria Bel, Cornelis H.A. Koster, Marta Villegas - Automatic Multi-label Subject Indexing in a Multilingual Environment / Boris Lauser, Andreas Hotho Web Technologies Topical Crawling, Subject Gateways - VASCODA: A German Scientific Portal for Cross-Searching Distributed Digital Resource Collections / Heike Neuroth, Tamara Pianos Architectures and Systems Knowledge Organization: Concepts - The ADEPT Concept-Based Digital Learning Environment / T.R. Smith, D. Ancona, O. Buchel, M. Freeston, W. Heller, R. Nottrott, T. Tierney, A. Ushakov - A User Evaluation of Hierarchical Phrase Browsing / Katrina D. Edgar, David M. Nichols, Gordon W. Paynter, Kirsten Thomson, Ian H. Witten - Visual Semantic Modeling of Digital Libraries / Qinwei Zhu, Marcos Andre Gongalves, Rao Shen, Lillian Cassell, Edward A. Fox Collection Building and Management Knowledge Organization: Authorities and Works - Automatic Conversion from MARC to FRBR / Christian Monch, Trond Aalberg Information Retrieval in Different Application Areas Digital Preservation Indexing and Searching of Special Document and Collection Information

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Content

Inhalt Collaborating to search effectively in different searcher modes through cues and specialty search / Naresh Kumar Agarwal and Danny C.C. Poo -- Collaborative querying using a hybrid content and results-based approach / Chandrani Sinha Ray ... [et al.] -- Collaborative classification for group-oriented organization of search results / Keiichi Nakata and Amrish Singh -- A case study of use-centered descriptions : archival descriptions of what can be done with a collection / Richard Butterworth -- Metadata for social recommendations : storing, sharing, and reusing evaluations of learning resources / Riina Vuorikari, Nikos Manouselis, and Erik Duval -- Social network models for enhancing reference-based search engine rankings / Nikolaos Korfiatis ... [et al.] -- From PageRank to social rank : authority-based retrieval in social information spaces / Sebastian Marius Kirsch ... [et al.] -- Adaptive peer-to-peer social networks for distributed content-based Web search / Le-Shin Wu ... [et al.] -- The ethics of social information retrieval / Brendan Luyt and Chu Keong Lee -- The social context of knowledge / Daniel Memmi -- Social information seeking in digital libraries / George Buchanan and Annika Hinze -- Relevant intra-actions in networked environments / Theresa Dirndorfer Anderson -- Publication and citation analysis as a tool for information retrieval / Ronald Rousseau -- Personalized information retrieval in a semantic-based learning environment / Antonella Carbonaro and Rodolfo Ferrini -- Multi-agent tourism system (MATS) / Soe Yu Maw and Myo-Myo Naing -- Hybrid recommendation systems : a case study on the movies domain / Konstantinos Markellos ... [et al.].

LCSH

World Wide Web / Subject access

Subject

World Wide Web / Subject access

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Footnote

Rez. in: International cataloguing and bibliographic control 30(2001) no.3, S.59 (I.C. McIlwaine)

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Abstract

Knowledge Organization Systems can comprise thesauri and other controlled lists of keywords, ontologies, classification systems, clustering approaches, taxonomies, gazetteers, dictionaries, lexical databases, concept maps/spaces, semantic road maps, etc. These schemas enable knowledge structuring and management, knowledge-based data processing and systematic access to knowledge structures in individual collections and digital libraries. Used as interactive information services on the Internet they have an increased potential to support the description, discovery and retrieval of heterogeneous information resources and to contribute to an overall resource discovery infrastructure

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Footnote

There is some debate over what exactly constitutes a native XML database. Bourret (2003) favors the wider definition; other authors such as the Butler Group (2002) restrict the use of the term to databases systems designed and built solely for storage and manipulation of XML. Two examples of the lauer (Tamino and eXist) are covered in detailed chapters here but also included in this section is the embedded XML database system, Berkeley DB XML, considered by makers Sleepycat Software to be "native" in that it is capable of storing XML natively but built an top of the Berkeley DB engine. To the uninitiated, the revelation that schemas and DTDs are not required by either Tamino or eXist might seem a little strange. Tamino implements "loose coupling" where the validation behavior can be set to "strict," "lax" (i.e., apply only to parts of a document) or "skip" (no checking), in eXist, schemas are simply optional. Many DTDs and schemas evolve as the XML documents are acquired and so these may adhere to slightly different schemas, thus the database should support queries an similar documents that do not share the same structune. In fact, because of the difficulties in mappings between XML and database (especially relational) schemas native XML databases are very useful for storage of semi-structured data, a point not made in either chapter. The chapter an embedded databases represents a "third way," being neither native nor of the XML-enabled relational type. These databases run inside purpose-written applications and are accessed via an API or similar, meaning that the application developer does not need to access database files at the operating system level but can rely an supplied routines to, for example, fetch and update database records. Thus, end-users do not use the databases directly; the applications do not usually include ad hoc end-user query tools. This property renders embedded databases unsuitable for a large number of situations and they have become very much a niche market but this market is growing rapidly. Embedded databases share an address space with the application so the overhead of calls to the server is reduced, they also confer advantages in that they are easier to deploy, manage and administer compared to a conventional client-server solution. This chapter is a very good introduction to the subject, primers an generic embedded databases and embedded XML databases are helpfully provided before the author moves to an overview of the Open Source Berkeley system. Building an embedded database application makes far greater demands an the software developer and the remainder of the chapter is devoted to consideration of these programming issues.
Relational database Management systems have been one of the great success stories of recent times and sensitive to the market, Most major vendors have responded by extending their products to handle XML data while still exploiting the range of facilities that a modern RDBMS affords. No book of this type would be complete without consideration of the "big these" (Oracle 9i, DB2, and SQL Server 2000 which each get a dedicated chapter) and though occasionally overtly piece-meal and descriptive the authors all note the shortcomings as well as the strengths of the respective systems. This part of the book is somewhat dichotomous, these chapters being followed by two that propose detailed solutions to somewhat theoretical problems, a generic architecture for storing XML in a RDBMS and using an object-relational approach to building an XML repository. The biography of the author of the latter (Paul Brown) contains the curious but strangely reassuring admission that "he remains puzzled by XML." The first five components are in-depth case studies of XMLdatabase applications. Necessarily diverse, few will be interested in all the topics presented but I was particularly interested in the first case study an bioinformatics. One of the twentieth century's greatest scientific undertakings was the Human Genome Project, the quest to list the information encoded by the sequence of DNA that makes up our genes and which has been referred to as "a paradigm for information Management in the life sciences" (Pearson & Soll, 1991). After a brief introduction to molecular biology to give the background to the information management problems, the authors turn to the use of XML in bioinformatics. Some of the data are hierarchical (e.g., the Linnaean classification of a human as a primate, primates as mammals, mammals are all vertebrates, etc.) but others are far more difficult to model. The Human Genome Project is virtually complete as far as the data acquisition phase is concerned and the immense volume of genome sequence data is no longer a very significant information Management issue per se. However bioinformaticians now need to interpret this information. Some data are relatively straightforward, e.g., the positioning of genes and sequence elements (e.g., promoters) within the sequences, but there is often little or no knowledge available an the direct and indirect interactions between them. There are vast numbers of such interrelationships; many complex data types and novel ones are constantly emerging, necessitating an extensible approach and the ability to manage semi-structured data. In the past, object databases such as AceDB (Durbin & Mieg, 1991) have gone some way to Meeting these aims but it is the combination of XML and databases that more completely addresses knowledge Management requirements of bioinformatics. XML is being enthusiastically adopted with a plethora of XML markup standards being developed, as authors Direen and Jones note "The unprecedented degree and flexibility of XML in terms of its ability to capture information is what makes it ideal for knowledge Management and for use in bioinformatics."
After several detailed examples of XML, Direen and Jones discuss sequence comparisons. The ability to create scored comparisons by such techniques as sequence alignment is fundamental to bioinformatics. For example, the function of a gene product may be inferred from similarity with a gene of known function but originating from a different organism and any information modeling method must facilitate such comparisons. One such comparison tool, BLAST utilizes a heuristic method has become the tool of choice for many years and is integrated into the NeoCore XMS (XML Management System) described herein. Any set of sequences that can be identified using an XPath query may thus become the targets of an embedded search. Again examples are given, though a BLASTp (protein) search is labeled as being BLASTn (nucleotide sequence) in one of them. Some variants of BLAST are computationally intensive, e.g., tBLASTx where a nucleotide sequence is dynamically translated in all six reading frames and compared against similarly translated database sequences. Though these variants are implemented in NeoCore XMS, it would be interesting to see runtimes for such comparisons. Obviously the utility of this and the other four quite specific examples will depend an your interest in the application area but two that are more research-oriented and general follow them. These chapters (on using XML with inductive databases and an XML warehouses) are both readable critical reviews of their respective subject areas. For those involved in the implementation of performance-critical applications an examination of benchmark results is mandatory, however very few would examine the benchmark tests themselves. The picture that emerges from this section is that no single set is comprehensive and that some functionalities are not addressed by any available benchmark. As always, there is no Substitute for an intimate knowledge of your data and how it is used. In a direct comparison of an XML-enabled and a native XML database system (unfortunately neither is named), the authors conclude that though the native system has the edge in handling large documents this comes at the expense of increasing index and data file size. The need to use legacy data and software will certainly favor the all-pervasive XML-enabled RDBMS such as Oracle 9i and IBM's DB2. Of more general utility is the chapter by Schmauch and Fellhauer comparing the approaches used by database systems for the storing of XML documents. Many of the limitations of current XML-handling systems may be traced to problems caused by the semi-structured nature of the documents and while the authors have no panacea, the chapter forms a useful discussion of the issues and even raises the ugly prospect that a return to the drawing board may be unavoidable. The book concludes with an appraisal of the current status of XML by the editors that perhaps focuses a little too little an the database side but overall I believe this book to be very useful indeed. Some of the indexing is a little idiosyncratic, for example some tags used in the examples are indexed (perhaps a separate examples index would be better) and Ron Bourret's excellent web site might be better placed under "Bourret" rather than under "Ron" but this doesn't really detract from the book's qualities. The broad spectrum and careful balance of theory and practice is a combination that both database and XML professionals will find valuable."

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Abstract

This book constitutes the refereed proceedings of the 9th European Conference on Research and Advanced Technology for Digital Libraries, ECDL 2005, held in Vienna, Austria in September 2005. The 41 revised full papers presented together with 2 panel papers and 30 revised poster papers were carefully reviewed and selected from a total of 162 submissions. The papers are organized in topical sections on digital library models and architectures, multimedia and hypermedia digital libraries, XML, building digital libraries, user studies, digital preservation, metadata, digital libraries and e-learning, text classification in digital libraries, searching, and text digital libraries.

Content

Inhalt u.a.: - Digital Library Models and Architectures - Multimedia and Hypermedia Digital Libraries - XML - Building Digital Libraries - User Studies - Digital Preservation - Metadata - Digital Libraries and e-Learning - Text Classification in Digital Libraries - Searching - - Focused Crawling Using Latent Semantic Indexing - An Application for Vertical Search Engines / George Almpanidis, Constantine Kotropoulos, Ioannis Pitas - - Active Support for Query Formulation in Virtual Digital Libraries: A Case Study with DAFFODIL / Andre Schaefer, Matthias Jordan, Claus-Peter Klas, Norbert Fuhr - - Expression of Z39.50 Supported Search Capabilities by Applying Formal Descriptions / Michalis Sfakakis, Sarantos Kapidakis - Text Digital Libraries

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Abstract

This book documents the experiences of metadata creators (both catalogers and indexers), library administrators, and educators who are actively engaged in projects that organize Internet resources for educational purposes. It examines the status quo of cataloging Internet resources, explores the relationship between traditional cataloging practices and Internet cataloging, introduces a number of educationally focused metadata schemes, and examines theoretical and practice aspects of metadata in relation to today's evolving Internet-based educational terrain.

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Classification

303.48/33 22 (LoC)

DDC

303.48/33 22 (LoC)

Footnote

The editorial and peer review processes appear to be slightly spotty in application. All of the 55 papers are in English but a few of them are in such need of basic editing that they are almost incomprehensible in sections. Consider, for example, the following: "So, the meaning of region where we are studying on, should be discovered and then affect on the final plan" (p. 346). The collection shows a strong array of methodological approaches including quantitative, qualitative, and mixed methods studies; however, a few of the research efforts exhibit fundamental design flaws. Consider, for example, the study that "set[s] out to show that nurses as care-givers find it difficult to transfer any previously acquired technological skills into their work based on technology needs (p. 187). After studying 39 female and 6 male nurses, this study finds, not surprisingly, exactly what it "set out" to find. Rather than noting the limitations of sample size and data gathering techniques, the paper firmly concludes that nurses can be technologists "only in areas of technology that support their primary role as carers" (p. 188). Finally, some of the papers do not report on original research but are competent, if brief, summaries of theories or concepts that are covered in equal depth elsewhere. For example, a three-page summary of "the major personality and learning theories" (p. 3) is useful but lacks the intellectual depth or insight needed to contribute substantially to the field. These problems with composition, methodological rigor, and theoretical depth are not uncommon in papers designed for a broadly defined conference theme. The authors may have been writing for an in-person audience and anticipating thoughtful postpresentation discussions; they probably had no idea of the heavy price tag put on their work. The editors, however, might have kept that $256 in mind and exercised a heavier editorial hand. Perhaps the publisher could have paid for a careful subject indexing of the work as a substantive addition to the author index provided. The complexity of the subject domains included in the volume certainly merits careful indexing.

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Abstract

This comprehensive book examines the usability of the Internet as a scholarly research tool, comparing it to traditional print media. Experts in specific subject areas provide up-to-the-minute assessments of the usefulness of the Internet for research in their fields.

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Content

Enthält die Beiträge: Part 1: Beyond stand-alone indexes: embedded indexing: WRIGHT; J.C.: The world of embedded indexing; MONCRIEF, L.: Indexing computer-related documents - Part 2: Beyond the book: Web indexing: WALKER, D.: Subject-oriented Web indexing; BROCCOLI, K. u. G.V. RAVENSWAAY: Web indexing - anchors away; MAISLIN, S.: Ripping out the pages; ROWLAND, M.J.: Plunging in: Creating a Web site index for an online newsletter - Part 3: Special topics in computer-based indexing: ROWLAND, M.J.: <Meta> tags; WOODS. X.B.: Envisioning the word: Multimedia CD-ROM indexing; HOLBERT, S.: How to index Windows-based online help - Part 4: Beyond traditional marketing - selling yourself in hyperspace: ROWLAND, M.J.: Web site design for indexers; RICE, R.: Putting sample indexes on your Web site; CONNOLLY, D.A.: The many uses of Email discussion lists

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Date

22. 3.2008 12:21:28

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Abstract

The theme of "Organizing the Internet" brings to mind the late 1950s folk-rock singer Jimmie Rodgers's song titled "The World I Used to Know." A great many developments have transpired in the world of information science since the seminal works of S. C. Bradford, Claude Shannon, Vannevar Bush, and numerous other pioneers. To those of us who have been in the information science field for several decades, the peek-a-boo devices such as Termatrex, Mortimer Taube's Uniterm cards, and discussion of pre- and postcoordinate indexing have given way to the world of browsers, HTML, XML, and numerous other ways of coding text and multimedia. The Internet and the World Wide Web have had a profound impact on how we go about storing and retrieving information. Document integrity has become transient, with little assurance that the location, existence, or even the content of a publication will be the same tomorrow as even a few minutes ago. We are often hard-pressed to determine if the failure to retrieve a publication is one associated with network infrastructure or the publisher. The dream of universal bibliographic control seems quite remote. By being able to bypass traditional publication channels, anyone can publish virtually at will. The situation becomes more chaotic when we consider the increasing redundancy of knowledge and the rampant proliferation of misinformation and disinformation, to say nothing of social concerns with pornography, copyright violations, and other flagrant obtrusions into personal rights. Nevertheless, it behooves the information worker and the information user to make some sense of order if good information is to remain the basis of learning and decision making, and if documents are to continue as an archive of human knowledge.

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Content

Inhalt: Introduction to Digital Libraries and Semantic Web: Introduction / Bill McDaniel and Sebastian Ryszard Kruk - Digital Libraries and Knowledge Organization / Dagobert Soergel - Semantic Web and Ontologies / Marcin Synak, Maciej Dabrowski and Sebastian Ryszard Kruk - Social Semantic Information Spaces / John G. Breslin A Vision of Semantic Digital Libraries: Goals of Semantic Digital Libraries / Sebastian Ryszard Kruk and Bill McDaniel - Architecture of Semantic Digital Libraries / Sebastian Ryszard Kruk, Adam Westerki and Ewelina Kruk - Long-time Preservation / Markus Reis Ontologies for Semantic Digital Libraries: Bibliographic Ontology / Maciej Dabrowski, Macin Synak and Sebastian Ryszard Kruk - Community-aware Ontologies / Slawomir Grzonkowski, Sebastian Ryszard Kruk, Adam Gzella, Jakub Demczuk and Bill McDaniel Prototypes of Semantic Digital Libraries: JeromeDL: The Social Semantic Digital Library / Sebastian Ryszard Kruk, Mariusz Cygan, Adam Gzella, Tomasz Woroniecki and Maciej Dabrowski - The BRICKS Digital Library Infrastructure / Bernhard Haslhofer and Predrag Knezevié - Semantics in Greenstone / Annika Hinze, George Buchanan, David Bainbridge and Ian Witten Building the Future - Semantic Digital Libraries in Use: Hyperbooks / Gilles Falquet, Luka Nerima and Jean-Claude Ziswiler - Semantic Digital Libraries for Archiving / Bill McDaniel - Evaluation of Semantic and Social Technologies for Digital Libraries / Sebastian Ryszard Kruk, Ewelina Kruk and Katarzyna Stankiewicz - Conclusions: The Future of Semantic Digital Libraries / Sebastian Ryszard Kruk and Bill McDaniel

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Footnote

Peter Day and Douglas Schuler wind up the book by taking a close look at the sociotechnical context in the 1990s. They argue that utopian schemes for the development of civil society and/or the public sphere may entail a degree of risk. However. Day and Schuler argue that community networks should be ''networks of awareness. advocacy and action" with a high degree of grassroots involvement. This can be done through more responsive policies. Local citizens-the first beneficiaries or victims of policy-should he brought into the decision-making process via civic dialogue. Public funding must be provided for projects that enable dissemination of information about a variety of cultures and belief systems. Shaping the Network Society is understandably more cautious than earlier accounts of cyberculture in its reception of new information and communications technology. Haunted by post 9/11 security measures. increasing surveillance, the faster erosion of liberal humanist ideals, and the internationalization/ commercialization of the media, the essays prefer to be wary about the potential of cyberpower. However, the optimist tone of every essay is unmistakable. While admitting that much more needs to be done to overcome the digital divide and the (mis)appropriation of cyberpower. the essays and ease studies draw attention to the potential for public debate and alternative ideologies. The case studies demonstrate success stories, but invariably conclude with a moral: about the need for vigilance against appropriation and fascist control! What emerges clearly is that the new media have achieved considerable progress in opening up the space for greater citizen involvement, more locally-responsive policy decisions. and socially relevant information-dissemination. Shaping the Network Society, with a strangely messianic slant, is a useful step in the mapping of the present and future cyberspace as the space of new democracies to come of a justice to he worked and prepared for."

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Footnote

Some of the pieces are more captivating than others and less "how-to" in nature, providing contextual discussions as well as pragmatic advice. For example, Darlene Fichter's "Blogging Your Life Away" is an interesting discussion about creating and maintaining blogs. (For those unfamiliar with the term, blogs are frequently updated Web pages that ]ist thematically tied annotated links or lists, such as a blog of "Great Websites of the Week" or of "Fun Things to Do This Month in Patterson, New Jersey.") Fichter's article includes descriptions of sample blogs and a comparison of commercially available blog creation software. Another article of note is Kelly Broughton's detailed account of her library's experiences in initiating Web-based reference in an academic library. "Our Experiment in Online Real-Time Reference" details the decisions and issues that the Jerome Library staff at Bowling Green State University faced in setting up a chat reference service. It might be useful to those finding themselves in the same situation. This volume is at its best when it eschews pragmatic information and delves into the deeper, less ephemeral libraryrelated issues created by the rise of the Internet and of the Web. One of the most thought-provoking topics covered is the issue of "the serials pricing crisis," or the increase in subscription prices to journals that publish scholarly work. The pros and cons of moving toward a more free-access Web-based system for the dissemination of peer-reviewed material and of using university Web sites to house scholars' other works are discussed. However, deeper discussions such as these are few, leaving the volume subject to rapid aging, and leaving it with an audience limited to librarians looking for fast technological fixes."

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