Literatur zur Informationserschließung

Diese Datenbank enthält über 40.000 Dokumente zu Themen aus den Bereichen Formalerschließung – Inhaltserschließung – Information Retrieval.

© 2015 W. Gödert, TH Köln, Institut für Informationswissenschaft / Powered by litecat, BIS Oldenburg (Stand: 28. April 2022)

Suchergebnisse

• 1
  Lawrie, D. ; Mayfield, J. ; McNamee, P. ; Oard, P.W.: Cross-language person-entity linking from 20 languages.
  In: Journal of the Association for Information Science and Technology. 66(2015) no.6, S.1106-1123.
  
  Abstract: The goal of entity linking is to associate references to an entity that is found in unstructured natural language content to an authoritative inventory of known entities. This article describes the construction of 6 test collections for cross-language person-entity linking that together span 22 languages. Fully automated components were used together with 2 crowdsourced validation stages to affordably generate ground-truth annotations with an accuracy comparable to that of a completely manual process. The resulting test collections each contain between 642 (Arabic) and 2,361 (Romanian) person references in non-English texts for which the correct resolution in English Wikipedia is known, plus a similar number of references for which no correct resolution into English Wikipedia is believed to exist. Fully automated cross-language person-name linking experiments with 20 non-English languages yielded a resolution accuracy of between 0.84 (Serbian) and 0.98 (Romanian), which compares favorably with previously reported cross-language entity linking results for Spanish.
  
  Inhalt: Vgl.: http://onlinelibrary.wiley.com/doi/10.1002/asi.23254/abstract.
  
  Themenfeld: Computerlinguistik
  
  
• 2
  Shoffner, M. ; Greenberg, J. ; Kramer-Duffield, J. ; Woodbury, D.: Web 2.0 semantic systems : collaborative learning in science.
  In: 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. Göttingen : Univ.-Verl., 2008. S.209-210.
  
  Abstract: The basic goal of education within a discipline is to transform a novice into an expert. This entails moving the novice toward the "semantic space" that the expert inhabits-the space of concepts, meanings, vocabularies, and other intellectual constructs that comprise the discipline. Metadata is significant to this goal in digitally mediated education environments. Encoding the experts' semantic space not only enables the sharing of semantics among discipline scientists, but also creates an environment that bridges the semantic gap between the common vocabulary of the novice and the granular descriptive language of the seasoned scientist (Greenberg, et al, 2005). Developments underlying the Semantic Web, where vocabularies are formalized in the Web Ontology Language (OWL), and Web 2.0 approaches of user-generated folksonomies provide an infrastructure for linking vocabulary systems and promoting group learning via metadata literacy. Group learning is a pedagogical approach to teaching that harnesses the phenomenon of "collective intelligence" to increase learning by means of collaboration. Learning a new semantic system can be daunting for a novice, and yet it is integral to advance one's knowledge in a discipline and retain interest. These ideas are key to the "BOT 2.0: Botany through Web 2.0, the Memex and Social Learning" project (Bot 2.0).72 Bot 2.0 is a collaboration involving the North Carolina Botanical Garden, the UNC SILS Metadata Research center, and the Renaissance Computing Institute (RENCI). Bot 2.0 presents a curriculum utilizing a memex as a way for students to link and share digital information, working asynchronously in an environment beyond the traditional classroom. Our conception of a memex is not a centralized black box but rather a flexible, distributed framework that uses the most salient and easiest-to-use collaborative platforms (e.g., Facebook, Flickr, wiki and blog technology) for personal information management. By meeting students "where they live" digitally, we hope to attract students to the study of botanical science. A key aspect is to teach students scientific terminology and about the value of metadata, an inherent function in several of the technologies and in the instructional approach we are utilizing. This poster will report on a study examining the value of both folksonomies and taxonomies for post-secondary college students learning plant identification. Our data is drawn from a curriculum involving a virtual independent learning portion and a "BotCamp" weekend at UNC, where students work with digital plan specimens that they have captured. Results provide some insight into the importance of collaboration and shared vocabulary for gaining confidence and for student progression from novice to expert in botany.
  
  Anmerkung: Vgl. unter: http://dcpapers.dublincore.org/ojs/pubs/article/view/943/939.
  
  Themenfeld: Semantic Web
  
  
• 3
  Shah, U. ; Finin, T. ; Joshi, A. ; Cost, R.S. ; Mayfield, J.: Information retrieval on the Semantic Web.
  In: http://www.csee.umbc.edu/~finin//papers/cikm02/cikm02.pdf.
  
  Abstract: We describe an apporach to retrieval of documents that consist of both free text and semantically enriched markup. In particular, we present the design and implementation prototype of a framework in which both documents and queries can be marked up with statements in the DAML+OIL semantic web language. These statement provide both structured and semi-structured information about the documents and their content. We claim that indexing text and semantic markup will significantly improve retrieval performance. Outr approach allows inferencing to be done over this information at several points: when a document is indexed,when a query is processed and when query results are evaluated.
  
  Themenfeld: Semantic Web
  Objekt: DAML ; OIL
  
  
• 4
  Hogg, M. ; Field, J.: Using Z39.50 to build a virtual union catalogue Music Libraries Online : a subject clump.
  In: Catalogue and index. 2001, no.139, S.1-4.
  
  Themenfeld: Verteilte bibliographische Datenbanken
  Wissenschaftsfach: Musik
  Objekt: Z39.50
  
  
• 5
  Jacobs, N. ; Woodfield, J. ; Morris, A.: Using local citation data to relate the use of journal articles by academic researchers to the coverage of full-text document access systems.
  In: Journal of documentation. 56(2000) no.5, S.563-581.
  
  Abstract: The methodology and findings are presented of an empirical study comparing local citation patterns with the holdings lists of a number of sources of journal articles. These sources were the British Library Document Supply Centre (BLDSC) and the BL inside service, library holdings, ProQuest Direct, SearchBank, EiText and a linking system including both the Geobase database and the BLDSC. The value of local citation figures is discussed, as is the concept of a "core" of journal titles, from both theoretical and practical perspectives. Using these figures to represent the local use of journal articles, the coverage of the document sources was found to vary widely. Unsurprisingly, the BLDSC was found to offer the widest coverage. Newer, electronic systems generally fared less well, but may offer other advantages.
  
  Inhalt: Vgl. auch: http://www.emeraldinsight.com/10.1108/EUM0000000007128.
  
  Themenfeld: Informetrie ; Citation indexing
  
  
• 6
  Arfield, J.: Developing a World-Wide Web OPAC.
  In: Vine. 1995, no.99, June, S.32-37.
  
  Abstract: The development of networked access to academic library catalogue records has been conspicuously slow compared with that of campus wide information systems in general. In cooperation with its systems suppliers BLCMO, the Pilkington Library, Loughborough, UK, is seeking to remedy this situation by developing an interface that allows users to access its OPAC via the W3. The benefits of such a facility are reflected in BLCMP's decision to incorporate a revised version in the forthcoming release of the commercial Talis system; but problems relating to the 'statelessness' of hypertext tranfer protocol (HTTP) and to the inadequacy of traditional catalogue records as access points for electronic information resources are still causes for consideration
  
  Themenfeld: OPAC
  
  
• 7
  Mayfield, J. ; Finin, T.: Information retrieval on the Semantic Web : integrating inference and retrieval.
  In: http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.10.1039.pdf.
  
  Abstract: One vision of the Semantic Web is that it will be much like the Web we know today, except that documents will be enriched by annotations in machine understandable markup. These annotations will provide metadata about the documents as well as machine interpretable statements capturing some of the meaning of document content. We discuss how the information retrieval paradigm might be recast in such an environment. We suggest that retrieval can be tightly bound to inference. Doing so makes today's Web search engines useful to Semantic Web inference engines, and causes improvements in either retrieval or inference to lead directly to improvements in the other.
  
  Inhalt: Vgl. auch: http://www.cs.umbc.edu/~finin/papers/pox.pdf.
  
  Themenfeld: Wissensrepräsentation ; Semantic Web