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  • × year_i:[2000 TO 2010}
  1. Widhalm, R.; Mueck, T.A.: Merging topics in well-formed XML topic maps (2003) 0.18 
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    Abstract
    Topic Maps are a standardized modelling approach for the semantic annotation and description of WWW resources. They enable an improved search and navigational access on information objects stored in semi-structured information spaces like the WWW. However, the according standards ISO 13250 and XTM (XML Topic Maps) lack formal semantics, several questions concerning e.g. subclassing, inheritance or merging of topics are left open. The proposed TMUML meta model, directly derived from the well known UML meta model, is a meta model for Topic Maps which enables semantic constraints to be formulated in OCL (object constraint language) in order to answer such open questions and overcome possible inconsistencies in Topic Map repositories. We will examine the XTM merging conditions and show, in several examples, how the TMUML meta model enables semantic constraints for Topic Map merging to be formulated in OCL. Finally, we will show how the TM validation process, i.e., checking if a Topic Map is well formed, includes our merging conditions.
    Object
    Topic maps
  2. Saarikoski, J.; Laurikkala, J.; Järvelin, K.; Juhola, M.: ¬A study of the use of self-organising maps in information retrieval (2009) 0.17 
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    Abstract
    Purpose - The aim of this paper is to explore the possibility of retrieving information with Kohonen self-organising maps, which are known to be effective to group objects according to their similarity or dissimilarity. Design/methodology/approach - After conventional preprocessing, such as transforming into vector space, documents from a German document collection were trained for a neural network of Kohonen self-organising map type. Such an unsupervised network forms a document map from which relevant objects can be found according to queries. Findings - Self-organising maps ordered documents to groups from which it was possible to find relevant targets. Research limitations/implications - The number of documents used was moderate due to the limited number of documents associated to test topics. The training of self-organising maps entails rather long running times, which is their practical limitation. In future, the aim will be to build larger networks by compressing document matrices, and to develop document searching in them. Practical implications - With self-organising maps the distribution of documents can be visualised and relevant documents found in document collections of limited size. Originality/value - The paper reports on an approach that can be especially used to group documents and also for information search. So far self-organising maps have rarely been studied for information retrieval. Instead, they have been applied to document grouping tasks.
  3. Buchel, O.; Coleman, A.: How can classificatory structures be used to improve science education? (2003) 0.15 
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    Abstract
    There is increasing evidence that libraries, traditional and digital, must support learning, especially the acquisition and enhancement of scientific reasoning skills. This paper discusses how classificatory structures, such as a faceted thesaurus, can be enhanced for novice science learning. Physical geography is used as the domain discipline, and the Alexandria Digital Earth Prototype project provides the test bed for instructional materials and user analyses. The use of concept maps and topic maps for developing digital learning spaces is briefly discussed.
    Date
    10. 9.2000 17:38:22
  4. Klavans, R.; Boyack, K.W.: Toward a consensus map of science (2009) 0.15 
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    Abstract
    A consensus map of science is generated from an analysis of 20 existing maps of science. These 20 maps occur in three basic forms: hierarchical, centric, and noncentric (or circular). The consensus map, generated from consensus edges that occur in at least half of the input maps, emerges in a circular form. The ordering of areas is as follows: mathematics is (arbitrarily) placed at the top of the circle, and is followed clockwise by physics, physical chemistry, engineering, chemistry, earth sciences, biology, biochemistry, infectious diseases, medicine, health services, brain research, psychology, humanities, social sciences, and computer science. The link between computer science and mathematics completes the circle. If the lowest weighted edges are pruned from this consensus circular map, a hierarchical map stretching from mathematics to social sciences results. The circular map of science is found to have a high level of correspondence with the 20 existing maps, and has a variety of advantages over hierarchical and centric forms. A one-dimensional Riemannian version of the consensus map is also proposed.
    Date
    22. 3.2009 12:49:33
  5. Hotho, A.; Bloehdorn, S.: Data Mining 2004 : Text classification by boosting weak learners based on terms and concepts (2004) 0.12 
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    Content
    Vgl.: http://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&ved=0CEAQFjAA&url=http%3A%2F%2Fciteseerx.ist.psu.edu%2Fviewdoc%2Fdownload%3Fdoi%3D10.1.1.91.4940%26rep%3Drep1%26type%3Dpdf&ei=dOXrUMeIDYHDtQahsIGACg&usg=AFQjCNHFWVh6gNPvnOrOS9R3rkrXCNVD-A&sig2=5I2F5evRfMnsttSgFF9g7Q&bvm=bv.1357316858,d.Yms.
    Date
    8. 1.2013 10:22:32
  6. Herrero-Solana, V.; Moya Anegón, F. de: Graphical Table of Contents (GTOC) for library collections : the application of UDC codes for the subject maps (2003) 0.12 
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    Abstract
    The representation of information contents by graphical maps is an extended ongoing research topic. In this paper we introduce the application of UDC codes for the subject maps development. We use the following graphic representation methodologies: 1) Multidimensional scaling (MDS), 2) Cluster analysis, 3) Neural networks (Self Organizing Map - SOM). Finally, we conclude about the application viability of every kind of map. 1. Introduction Advanced techniques for Information Retrieval (IR) currently make up one of the most active areas for research in the field of library and information science. New models representing document content are replacing the classic systems in which the search terms supplied by the user were compared against the indexing terms existing in the inverted files of a database. One of the topics most often studied in the last years is bibliographic browsing, a good complement to querying strategies. Since the 80's, many authors have treated this topic. For example, Ellis establishes that browsing is based an three different types of tasks: identification, familiarization and differentiation (Ellis, 1989). On the other hand, Cove indicates three different browsing types: searching browsing, general purpose browsing and serendipity browsing (Cove, 1988). Marcia Bates presents six different types (Bates, 1989), although the classification of Bawden is the one that really interests us: 1) similarity comparison, 2) structure driven, 3) global vision (Bawden, 1993). The global vision browsing implies the use of graphic representations, which we will call map displays, that allow the user to get a global idea of the nature and structure of the information in the database. In the 90's, several authors worked an this research line, developing different types of maps. One of the most active was Xia Lin what introduced the concept of Graphical Table of Contents (GTOC), comparing the maps to true table of contents based an graphic representations (Lin 1996). Lin applies the algorithm SOM to his own personal bibliography, analyzed in function of the words of the title and abstract fields, and represented in a two-dimensional map (Lin 1997). Later on, Lin applied this type of maps to create websites GTOCs, through a Java application.
    Date
    12. 9.2004 14:31:22
  7. Ernst, S.: Aspekte der Modellierung und Visualisierung von XML Topic Maps : die Entwicklung von Stylesheets zur Darstellung von Topic Maps in SVG (2004) 0.11 
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    Object
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  8. Hinkelmann, K.: Ontopia Omnigator : ein Werkzeug zur Einführung in Topic Maps (20xx) 0.10 
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  9. Proffitt, M.: Pulling it all together : use of METS in RLG cultural materials service (2004) 0.10 
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    Abstract
    RLG has used METS for a particular application, that is as a wrapper for structural metadata. When RLG cultural materials was launched, there was no single way to deal with "complex digital objects". METS provides a standard means of encoding metadata regarding the digital objects represented in RCM, and METS has now been fully integrated into the workflow for this service.
    Source
    Library hi tech. 22(2004) no.1, S.65-68
  10. Trunk, D.: Semantische Netze in Informationssystemen : Verbesserung der Suche durch Interaktion und Visualisierung (2005) 0.10 
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    Abstract
    Semantische Netze unterstützen den Suchvorgang im Information Retrieval. Sie bestehen aus relationierten Begriffen und helfen dem Nutzer das richtige Vokabular zur Fragebildung zu finden. Eine leicht und intuitiv erfassbare Darstellung und eine interaktive Bedienungsmöglichkeit optimieren den Suchprozess mit der Begriffsstruktur. Als Interaktionsform bietet sich Hy-pertext mit dem etablierte Point- und Klickverfahren an. Eine Visualisierung zur Unterstützung kognitiver Fähigkeiten kann durch eine Darstellung der Informationen mit Hilfe von Punkten und Linien erfolgen. Vorgestellt wer-den die Anwendungsbeispiele Wissensnetz im Brockhaus multimedial, WordSurfer der Firma BiblioMondo, SpiderSearch der Firma BOND und Topic Maps Visualization in dandelon.com und im Portal Informationswis-senschaft der Firma AGI - Information Management Consultants.
    Date
    30. 1.2007 18:22:41
  11. Xia, J.: GIS in the management of library pick-up books (2004) 0.10 
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    Abstract
    The management of library "pick-up books" - a phrase that refers to books pulled off the shelves by readers, discarded in the library after use, and picked up by library assistants for reshelving - is an issue for many collection managers. This research attempts to use geographic information system (GIS) software as a tool to monitor the use of such books so that their distributions by book shelf-ranges can be displayed visually. With GIS, library floor layouts are drawn as maps. This research produces some explanations of the habits of library patrons browsing shelved materials, and makes suggestions to librarians on the expansion of library collections and the rearrangement potential for library space.
    Source
    Library hi tech. 22(2004) no.2, S.209-216
  12. Lin, X.; Li, J.; Zhou, X.: Theme creation for digital collections (2008) 0.10 
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    Object
    Topic maps
    Source
    Metadata for semantic and social applications : proceedings of the International Conference on Dublin Core and Metadata Applications, Berlin, 22 - 26 September 2008, DC 2008: Berlin, Germany / ed. by Jane Greenberg and Wolfgang Klas
  13. Marshakova-Shaikevich, I.: Bibliometric maps of field of science (2005) 0.10 
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    Abstract
    The present paper is devoted to two directions in algorithmic classificatory procedures: the journal co-citation analysis as an example of citation networks and lexical analysis of keywords in the titles and texts. What is common to those approaches is the general idea of normalization of deviations of the observed data from the mathematical expectation. The application of the same formula leads to discovery of statistically significant links between objects (journals in one case, keywords - in the other). The results of the journal co-citation analysis are reflected in tables and map for field "Women's Studies" and for field "Information Science and Library Science". An experimental attempt at establishing textual links between words was carried out on two samples from SSCI Data base: (1) EDUCATION and (2) ETHICS. The EDUCATION file included 2180 documents (of which 751 had abstracts); the ETHICS file included 807 documents (289 abstracts). Some examples of the results of this pilot study are given in tabular form . The binary links between words discovered in this way may form triplets or other groups with more than two member words.
  14. XML topic maps : creating and using topic maps for the Web (2003) 0.10 
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    Abstract
    XML Topic Maps (XTM) represent a powerful new tool for transforming the Web from a vast, chaotic sea of data into a highly usable information resource. XML Topic Maps is the first comprehensive, authoritative guide to this new technology. Edited by Jack Park, a leader of the XTM community, with contributions from leading members of the community, it covers every aspect of XML Topic Map creation and usage. Drawing on the XTM 1.0 standard, a complete XML grammar for interchanging Web-based Topic Maps, this book shows how XML Topic Maps can be utilized as an enabling technology for the new "Semantic Web," in which information is given well-defined meaning, making it possible for computers and people to cooperate more effectively than ever before. Coverage includes: creating, using, and extending XML Topic Maps; ontological engineering; and the use of XML Topic Maps to create next-generation knowledge representation systems and search tools. Park shows how to use Topic Maps to visualize data; how Topic Maps relate to RDF and semantic networks; and finally, how Topic Maps presage a profound paradigm shift in the way information is represented, shared, and learned on the Internet -- and everywhere else. For every Web designer, developer, and content specialist concerned with delivering and sharing information in more useful and meaningful forms.
    Content
    Inhalt: Let There Be Light / Jack Park - Introduction to the Topic Maps Paradigm / Michel Biezunski - A Perspective on the Quest for Global Knowledge Interchange / Steven R. Newcomb - The Rise and Rise of Topic Maps / Sam Hunting - Topic Maps from Representation to Identity: Conversation, Names, and Published Subject Indicators / Bernard Vatant - How to Start Topic Mapping Right Away with the XTM Specification / Sam Hunting - Knowledge Representation, Ontological Engineering, and Topic Maps / Leo Obrst and Howard Liu - Topic Maps in the Life Sciences / John Park arid Nefer Park - Creating and Maintaining Enterprise Web Sites with Topic Maps and XSLT / Nikita Ogievetsky - SemanText / Eric Freese - XTM Programming with TM4J / Kal Ahmed - Nexist Topic MapTestbed / Jack Park - GooseWorks Toolkit / Sam Hunting - Topic Map Visualization / Benedicte Le Grand - Topic Maps and RDF / Eric Freese - Topic Maps and Semantic Networks / Eric Freese - Topic Map Fundamentals for Knowledge Representation / H. Holger Rath - Topic Maps in Knowledge Organization / Alexander Sigel - Prediction: A Profound Paradigm Shift / Kathleen M. Fisher - Topic Maps, the Semantic Web, and Education / Jack Park
    Object
    Topic maps
  15. Pepper, S.: ¬The TAO of topic maps : finding the way in the age of infoglut (2002) 0.10 
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    Abstract
    Topic maps are a new ISO standard for describing knowledge structures and associating them with information resources. As such they constitute an enabling technology for knowledge management. Dubbed "the GPS of the information universe", topic maps are also destined to provide powerful new ways of navigating large and interconnected corpora. While it is possible to represent immensely complex structures using topic maps, the basic concepts of the model - Topics, Associations, and Occurrences (TAO) - are easily grasped. This paper provides a non-technical introduction to these and other concepts (the IFS and BUTS of topic maps), relating them to things that are familiar to all of us from the realms of publishing and information management, and attempting to convey some idea of the uses to which topic maps will be put in the future.
    Object
    Topic maps
  16. Sigel, A.: Topic maps in knowledge organization (2003) 0.09 
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    Abstract
    There is a natural overlap and complement between Knowledge Organization (KO) and Topic Maps. I am convinced that KO, with its relevant knowledge of an experiences in concept organization, can strongly contribute in this area. Since this ides impacts both the KO and TM communities, this chapter offers an invitation to anyone interested in TMs to draw from the KO background and to KO experts to include the case of KO with TMs in their research.
    Object
    Topic maps
    Source
    XML topic maps: creating and using topic maps for the Web. Eds.: Park, J. u. S. Hunting
  17. Srinivasan, R.; Boast, R.; Becvar, K.M.; Furner, J.: Blobgects : digital museum catalogs and diverse user communities (2009) 0.09 
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    Abstract
    This article presents an exploratory study of Blobgects, an experimental interface for an online museum catalog that enables social tagging and blogging activity around a set of cultural heritage objects held by a preeminent museum of anthropology and archaeology. This study attempts to understand not just whether social tagging and commenting about these objects is useful but rather whose tags and voices matter in presenting different expert perspectives around digital museum objects. Based on an empirical comparison between two different user groups (Canadian Inuit high-school students and museum studies students in the United States), we found that merely adding the ability to tag and comment to the museum's catalog does not sufficiently allow users to learn about or engage with the objects represented by catalog entries. Rather, the specialist language of the catalog provides too little contextualization for users to enter into the sort of dialog that proponents of Web 2.0 technologies promise. Overall, we propose a more nuanced application of Web 2.0 technologies within museums - one which provides a contextual basis that gives users a starting point for engagement and permits users to make sense of objects in relation to their own needs, uses, and understandings.
    Date
    22. 3.2009 18:52:32
  18. Reischl, G.: ¬Die Google-Falle : die unkontrollierte Weltmacht im Internet (2008) 0.09 
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    Abstract
    Mit der Suchmaschine Google, den Satelitenkarten auf Google Maps, mit der Volltextsuche in Google Books, mit dem Bildprogramm Picasa, dem Mail-Programm Google Mail, Google Docs und vielen weiteren Services entwickelt sich die Firma von Larry Page und Sergej Brin zur unkontrollierten Weltmacht im Internet: Immer mehr Firmen entwickeln Dienste und Geräte, die ausschließlich auf Google abgestimmt sind. Praktisch zählt nur mehr das Wissen, das man über Google findet. Diese Monopolstellung ist für eine Wissensgesellschaft gefährlich. Sie erleichtert die politische Zensur, wie sie bei Google in China stattfindet, und sie erleichtert das Ausspionieren unserer Privatsphäre. Denn jede Suchanfrage bleibt bei Google über Jahre gespeichert: In den USA wird derzeit eine Frau des Mordes an ihrem Mann verdächtigt, weil sie einmal in Google den Suchbegriff "murder" eingetippt hat.
    Date
    7. 4.2008 21:22:57
  19. Palm, F.: QVIZ : Query and context based visualization of time-spatial cultural dynamics (2007) 0.09 
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    Abstract
    QVIZ will research and create a framework for visualizing and querying archival resources by a time-space interface based on maps and emergent knowledge structures. The framework will also integrate social software, such as wikis, in order to utilize knowledge in existing and new communities of practice. QVIZ will lead to improved information sharing and knowledge creation, easier access to information in a user-adapted context and innovative ways of exploring and visualizing materials over time, between countries and other administrative units. The common European framework for sharing and accessing archival information provided by the QVIZ project will open a considerably larger commercial market based on archival materials as well as a richer understanding of European history.
    Content
    Vortrag anlässlich des Workshops: "Extending the multilingual capacity of The European Library in the EDL project Stockholm, Swedish National Library, 22-23 November 2007".
  20. Bates, M.J.: Fundamental forms of information (2006) 0.08 
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    Abstract
    Fundamental forms of information, as well as the term information itself, are defined and developed for the purposes of information science/studies. Concepts of natural and represented information (taking an unconventional sense of representation), encoded and embodied information, as well as experienced, enacted, expressed, embedded, recorded, and trace information are elaborated. The utility of these terms for the discipline is illustrated with examples from the study of information-seeking behavior and of information genres. Distinctions between the information and curatorial sciences with respect to their social (and informational) objects of study are briefly outlined.
    Date
    22. 3.2009 18:15:22

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