Introduction to information and documentation services - PowerPoint PPT Presentation

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Introduction to information and documentation services

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classical (physical) access (card catalogues, printed indexes, ...) librarian as a care taker ... digital access to 'physical' material (computer catalogues, ... – PowerPoint PPT presentation

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Title: Introduction to information and documentation services


1
Introduction to information and documentation
services
2
Course structure
  • Information services and users
  • Documentation and knowledge organization
  • Subject analysis and presentation

3
1. Information services
  • Traditional services
  • physical (printed) documents
  • classical (physical) access (card catalogues,
    printed indexes, ...)
  • librarian as a care taker

4
1. Information services
  • Contemporary services
  • digital access to physical material (computer
    catalogues, databases, ...)
  • digital material, digital libraries, internet
  • librarian as a guide, advisor and access provider

5
1. Information services
  • Information Retrieval
  • the meaning of the word (terminology)
  • models of IR (from classical to contemporary)
  • process of IR and its constituent parts (from
    indexed information resources, user interfaces
    and user needs, IR techniques and representation
    of results)
  • internet (WWW) search

6
1.a Information services and users
  • Principle of least effort
  • User interfaces
  • Users have different needs
  • some need high recall (exhaustivity)
  • but mostly high precision (mostly they do not
    want to go through large amount of hits)

7
2. Documentation / Knowledge Organization
  • What is Knowledge Organization?
  • Reasons for its beginning (explosion of
    information)
  • Why is it needed?
  • Different sorts
  • document description (cataloguing)
  • subject analysis and representation
  • Historical development

8
3. Subject analysis and representation
  • classical (indexing, classifying, abstracting)
  • contemporary (standards for document description,
    metadata, automatic indexing and classifying)
  • examples
  • practical work
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