LIS 407 Class 6

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LIS 407Class 6

• Electronic Resources for Reference, Electronic
  systems A very brief examination of the
  basics.

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The evolution

• Magnetic tapes
• Disk Stacks
• CD-Rom
• WWW and web-based reference resources
• Wireless
• The end-user requires less and less
  intermediares.

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The History
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The evolution

• The research library in the 70s
• The research library in the 80s
• The research library of the XXI century
• The role of the end-user has changed and the
  reference resources available too.
• When electronic resources are redesigned for the
  Web, much of the structure of the command based
  search services is built into the screen (Smith
  Bopp)

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The changes in reference service

• From intermediary to coach and tutor of the
  end-user.
• Changes in tasks and duties Research guides are
  a way of coaching the user.

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What are the components of the new information
systems?

• Databases Set of information formatted into
  defined structures.
• Multiple entries.
• A Brief History of Databases
• Searching capabilities through Boolean Logic
  George Boole.

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Searching Online
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Searching Online
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New concepts

• Inverted Index
• Thesaurus
• Keywords
• Proximity operators Search John(w)Smith

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The fight for successful searching

• Precision and Recall ODLIS Online Dictionary
  for Library and Information Science
• Recall proportion of relevant material actually
  retrieved
• Precision proportion of retrieved material
  actually relevant
• Relevance Who dictates relevance?
• TREC and IR Precision and Recall

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How helpful are the current systems and
strategies?
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Electronic Resources and the End User

• Electronic resources are now part of the end-user
  repertoire.
• For example RLIN and WorldCat are commonly used
  by many end-users.
• The end-user is now more powerful (?) but also
  requires a whole set of new abilities and skills.
• The Internal Organization of electronic resources
  does not seem to be evident to the en-user.

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Interfaces Change
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Interfaces change
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Interfaces Change
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Integrating end-user resources into user-centered
reference services

• RSE physical surroundings of the reference
  service point
• Librarians
• Information space
• Electronic resources transform the space.

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Integration

• Expansion involves managing Access Electronic
  resources.
• Passwords, IP addresses, authentication
• Special Database Passwords--College of St.
  Catherine Libraries
• Remote User Authentication in Libraries

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Pathways

• Gateways and electronic Guides on the web for
  users.
• Databases E-Journals Library and Information
  Science Subject Guides MIT Libraries
• http//alfama.sim.ucm.es/bd/manuales/Psycinfo-2004
  -07.pdf

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The next issue Physical Space
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For next Class

• I need one page written (double space) on your
  Big Dig. Describe, comment, and wonder about the
  resources to use and the context.