-
Hotho, A.; Bloehdorn, S.: Data Mining 2004 : Text classification by boosting weak learners based on terms and concepts (2004)
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- Abstract
- Document representations for text classification are typically based on the classical Bag-Of-Words paradigm. This approach comes with deficiencies that motivate the integration of features on a higher semantic level than single words. In this paper we propose an enhancement of the classical document representation through concepts extracted from background knowledge. Boosting is used for actual classification. Experimental evaluations on two well known text corpora support our approach through consistent improvement of the results.
- 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
-
Mas, S.; Marleau, Y.: Proposition of a faceted classification model to support corporate information organization and digital records management (2009)
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- Abstract
- The employees of an organization often use a personal hierarchical classification scheme to organize digital documents that are stored on their own workstations. As this may make it hard for other employees to retrieve these documents, there is a risk that the organization will lose track of needed documentation. Furthermore, the inherent boundaries of such a hierarchical structure require making arbitrary decisions about which specific criteria the classification will b.e based on (for instance, the administrative activity or the document type, although a document can have several attributes and require classification in several classes).A faceted classification model to support corporate information organization is proposed. Partially based on Ranganathan's facets theory, this model aims not only to standardize the organization of digital documents, but also to simplify the management of a document throughout its life cycle for both individuals and organizations, while ensuring compliance to regulatory and policy requirements.
- Footnote
- Vgl.: http://ieeexplore.ieee.org/Xplore/login.jsp?reload=true&url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel5%2F4755313%2F4755314%2F04755480.pdf%3Farnumber%3D4755480&authDecision=-203.
-
Schrodt, R.: Tiefen und Untiefen im wissenschaftlichen Sprachgebrauch (2008)
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- Content
- Vgl. auch: https://studylibde.com/doc/13053640/richard-schrodt. Vgl. auch: http%3A%2F%2Fwww.univie.ac.at%2FGermanistik%2Fschrodt%2Fvorlesung%2Fwissenschaftssprache.doc&usg=AOvVaw1lDLDR6NFf1W0-oC9mEUJf.
-
Vetere, G.; Lenzerini, M.: Models for semantic interoperability in service-oriented architectures (2005)
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- Content
- Vgl.: http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=5386707&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D5386707.
-
Donsbach, W.: Wahrheit in den Medien : über den Sinn eines methodischen Objektivitätsbegriffes (2001)
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- Source
- Politische Meinung. 381(2001) Nr.1, S.65-74 [https%3A%2F%2Fwww.dgfe.de%2Ffileadmin%2FOrdnerRedakteure%2FSektionen%2FSek02_AEW%2FKWF%2FPublikationen_Reihe_1989-2003%2FBand_17%2FBd_17_1994_355-406_A.pdf&usg=AOvVaw2KcbRsHy5UQ9QRIUyuOLNi]
-
Lim, E.: Southeast Asian subject gateways : an examination of their classification practices (2000)
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- Date
- 22. 6.2002 19:42:47
-
Stojanovic, N.: Ontology-based Information Retrieval : methods and tools for cooperative query answering (2005)
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- Content
- Vgl.: http%3A%2F%2Fdigbib.ubka.uni-karlsruhe.de%2Fvolltexte%2Fdocuments%2F1627&ei=tAtYUYrBNoHKtQb3l4GYBw&usg=AFQjCNHeaxKkKU3-u54LWxMNYGXaaDLCGw&sig2=8WykXWQoDKjDSdGtAakH2Q&bvm=bv.44442042,d.Yms.
-
Holley, R.P.: Subject access tools in English for Canadian topics : Canadian extensions to U.S. subject access tools (2008)
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- Abstract
- Canada has a long history of adapting United States subject access tools, including the Library of Congress Classification (LCC), Library of Congress Subject Headings (LCSH), the Dewey Decimal Classification, and the Sears List of Subject Headings, to meet the specific needs of Canadians. This paper addresses the extensions to these American tools for English-speaking Canadians. While the United States and Canada have many similarities, differences exist that require changing terminology and providing greater depth and precision in subject headings and classification for specifically Canadian topics. The major effort has been for Library and Archives Canada (LAC) systematically to provide extensions for LCC and LCSH for use within its cataloging records. This paper examines the history and philosophy of these Canadian efforts to provide enhanced subject access. Paradoxically, French-speaking Canadians may have found it easier to start from scratch with the Repertoire de vedettes-matiere because of the difficult decisions for English-language tools on how much change to implement in an environment where most Canadian libraries use the American subject access tools. Canadian studies scholars around the world can use Canadian records, especially those maintained by LAC, to obtain superior subject access for Canadian topics even if they obtain the documents from other sources.
- Date
- 10. 9.2000 17:38:22
19. 6.2010 19:22:18
-
Kim, K.-S.: Recent work in cataloging and classification, 2000-2002 (2003)
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- Abstract
- This article provides a review of cataloging and classification publications that appeared in the last two years. The review considers the papers in two categories. Cataloging Theories and Practices covers descriptive cataloging, authority control, classification, subject cataloging, cataloging nonbook materials, electronic resources and metadata, and international cooperation. The second section covers other issues related to cataloging, including management, and education and training. Throughout the review, the author identifies trends and important developments in the area of cataloging and classification.
- Date
- 10. 9.2000 17:38:22
-
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
- Content
- Mit einem Anhang, der in fachlicher Ordnung vorhandene Subject gateways auflistet; vgl. unter: http://www.lub.lu.se/tk/SBIGs.html
- Date
- 22. 6.2002 19:37:55
-
Subject gateways (2000)
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- Date
- 22. 6.2002 19:43:01
- Footnote
- Enthält eine Sammlung von Beiträgen zum Thema Subject gateways
-
Peereboom, M.: DutchESS : Dutch Electronic Subject Service - a Dutch national collaborative effort (2000)
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- Abstract
- This article gives an overview of the design and organisation of DutchESS, a Dutch information subject gateway created as a national collaborative effort of the National Library and a number of academic libraries. The combined centralised and distributed model of DutchESS is discussed, as well as its selection policy, its metadata format, classification scheme and retrieval options. Also some options for future collaboration on an international level are explored
- Date
- 22. 6.2002 19:39:23
-
Miller, D.; Olson, T.; Layne, S.S.: Promoting research and best practices in subject reference structures : a decade of work by the subject analysis committee (2005)
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- Abstract
- In 2004, the ALCTS (Association for Library Collections & Technical Services) Cataloging and Classification Section Subject Analysis Committee (SAC) produced the report Recommendations for Providing Access to, Display of, Navigation within and among, and Modifications of Existing Practice Regarding Subject Reference Structures in Automated Systems. This document is one important outcome of nearly ten years' work by three SAC (Subject Analysis Committee) subcommittees investigating the theoretical, pragmatic, and political dimensions of improving subject access through better use of reference structure data. The work of those subcommittees is reviewed and their recommendations are described and summarized. Potential future effects of the report are discussed, as is a snapshot view of several major automation systems' current compliance with the recommendations.
- Date
- 10. 9.2000 17:38:22
-
Neshat, N.; Horri, A.: ¬A study of subject indexing consistency between the National Library of Iran and Humanities Libraries in the area of Iranian studies (2006)
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- Abstract
- This study represents an attempt to compare indexing consistency between the catalogers of the National Library of Iran (NLI) on one side and 12 major academic and special libraries located in Tehran on the other. The research findings indicate that in 75% of the libraries the subject inconsistency values are 60% to 85%. In terms of subject classes, the consistency values are 10% to 35.2%, the mean of which is 22.5%. Moreover, the findings show that whenever the number of assigned terms increases, the probability of consistency decreases. This confirms Markey's findings in 1984.
- Date
- 4. 1.2007 10:22:26
- Source
- Cataloging and classification quarterly. 43(2006) no.1, S.67-76
-
Vizine-Goetz, D.; Beall, J.: Using literary warrant to define a version of the DDC for automated classification services (2004)
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- Abstract
- This paper presents the results of an exploratory study to determine literary warrant for topics in electronic resources. The classification numbers in Abridged Edition 14 were used as a starting point. Using the principles of abridgment and expansion in Dewey, a version of the DDC is defined that accommodates the topics found an three diverse Web sites that use Dewey: BUBL, Canadian Information By Subject, and KidsClick! The resulting classes are used to create a database for automated classification of Web resources.
- Object
- DDC-22
-
Leth, P.: Subject access - the Swedish approach (2007)
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- 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".
- Object
- Swedish Subject Headings system
-
Chan, L.M.; Hodges, T.: Entering the millennium : a new century for LCSH (2000)
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- Abstract
- Library of Congress Subject Headings (LCSH), a system originally designed as a tool for subject access to the Library's own collection in the late nineteenth century, has become, in the course of the last century, the main subject retrieval tool in library catalogs throughout the United States and in many other countries. It is one of the largest non-specialized controlled vocabularies in the world. As LCSH enters a new century, it faces an information environment that has undergone vast changes from what had prevailed when LCSH began, or, indeed, from its state in the early days of the online age. In order to continue its mission and to be useful in spheres outside library catalogs as well, LCSH must adapt to the multifarious environment. One possible approach is to adopt a series of scalable and flexible syntax and application rules to meet the needs of different user communities
- Date
- 27. 5.2001 16:22:21
- Series
- Cataloging and classification quarterly; vol.29, nos.1/2
- Source
- The LCSH century: one hundred years with the Library of Congress Subject Headings system. Ed.: A.T.Stone
-
Gatti, T.H.: Utilization of students as cataloging assistants at carnegie category I institution libraries (2005)
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- Abstract
- A survey of 261 libraries was undertaken to determine the level of use of and duties performed by student assistants in monographic cataloging operations. Ninety-five of 142 responding libraries (64.1 percent) indicate that they use student assistants for some type of monographic cataloging tasks. These tasks are downloading of bibliographic and authority records, monographic cataloging, classification, subject heading authority control, holdings, database maintenance, and editing of 246 or 505 MARC tags. Some respondents expressed reluctance to use student assistants for higher-level cataloging tasks.
- Date
- 10. 9.2000 17:38:22
-
Zins, C.; Guttmann, D.: Structuring Web bibliographic resources : an exemplary subject classification scheme (2000)
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- Abstract
- The Internet challenges designers of reference resources to structure user interfaces so that they facilitate quick access to bibliographies. Designers can organize bibliographies in chronological order of publication, alphabetical listing by author or title and/or subject-headings; or can follow a subject classification scheme from the relevant field. Chronological order of publication and alphabetical listings of authors and titles are the simplest ways to organize bibliographic materials, but these methods usually fall to present the thematic relations among the various items. The subject classification is the most systematic presentation, but the most complicated to develop. This study explores the subject classification model, elaborates its rationale, demonstrates an exemplary faceted subject classification scheme grounded in solid scientific foundations, and clarifies the scientific foundations of the three-phase structuring methodology that was utilized. The exemplary classificatory model is a seven-facet subject classification scheme designed for classifying scholarly papers in the field of Logotherapy. The study, in particular the scientific structuring methodology, provides an example for structuring bibliographic resources in the social sciences, as well as in other academic fields
-
Hoerman, H.L.; Furniss, K.A.: Turning practice into principles : a comparison of the IFLA Principles underlying Subject Heading Languages (SHLs) and the principles underlying the Library of Congress Subject Headings system (2000)
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- Abstract
- The IFLA Section on Classification and Indexing's Working Group on Principles Underlying Subject Headings Languages has identified a set of eleven principles for subject heading languages and excerpted the texts that match each principle from the instructions for each of eleven national subject indexing systems, including excerpts from the LC's Subject Cataloging Manual: Subject Headings. This study compares the IFLA principles with other texts that express the principles underlying LCSH, especially Library of Congress Subject Headings: Principles of Structure and Policies for Application, prepared by Lois Mai Chan for the Library of Congress in 1990, Chan's later book on LCSH, and earlier documents by Haykin and Cutter. The principles are further elaborated for clarity and discussed
- Series
- Cataloging and classification quarterly; vol.29, nos.1/2
- Source
- The LCSH century: one hundred years with the Library of Congress Subject Headings system. Ed.: A.T. Stone
