The Use of Scopus in the Illinois Library Gateway

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The Use of Scopus in the Illinois Library Gateway
William H. Mischo Wendy Allen Shelburne Mary C.
Schlembach University of Illinois at
Urbana-Champaign November 20, 2008 Elsevier
Development Partners Meeting
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University of Illinois Library Gateway

• Gateway Portal introduced in September 2007
• Guide users to appropriate information resources
• Recommender system
• Integration of resources
• Help with search strategy formulation and
  refinement
• Custom Engineering Library portlet with fielded
  search approach
• Powered by metasearch system suite (Easy Search)
• Metasearch over 70 targets

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Easy Search Features

• Recommender system
• Transaction logs 2.3 million user search
  arguments, 2.5 million clickthroughs. All system
  actions.
• Performs analysis of search arguments, pattern
  checking
• Result display manipulation based on search
  argument analysis
• Links into the native interfaces at the point of
  completed search

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User Studies

• Markeys two papers on End-User Studies -JASIST
  2007
• 32 studies
• Need for new OPAC studies
• Library Portal/Gateway studies needed
• Spink and Jansen findings on Web search
• Short search sessions 26 less than 5 minutes
• 2.3 words
• Advanced features not being utilized
• Users typically look at first page only
• Too Few, Zero, and Too Many Hits

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Search Assistance Technologies

• IMLS NLG grant, NSF NSDL grant, Mellon DLF
  Aquifer
• Deep transaction log analysis
• Interactive Information Retrieval (IIR)
  contextual suggestions links
• Tailored displays based on search argument
  authors, journal articles
• Goal is smarter system address the Too Few/Too
  Many problems

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Search Assistance Functions

• Stopword removal
• Term substitution
• Spelling suggestions
• Direct link prompts for frequently entered terms,
  pathfinder topics. Partial term matches
• Author search prompts
• Suggested limiting to phrase and title word and
  phrase searches
• Dark target searches in background

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Search Characterization

• Analysis of sample of 3,000 searches
• 49.4 specific item searches book, journal,
  article title and/or author
• 7.4 of the 49.4 are author/title
• 28.9 are author
• 40.5 are monographic searches
• 6.8 are index/abstract
• 5.7 are journal article6.8 are index/abstract
• 11.8 are journal title
• 17.96 of searches contain a name or
  organization some are topical

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Search Arguments
2007 2008 Searches

• 10.4 Booleans (10.15 AND, 0.2 OR, 0.1 NOT)
• 7.9 Commas
• 0.1 Parentheses
• 4.9 Quotes
• 20.5 Prepositions
• 9.8 Spell Suggests (31.5 are clicked)
• 0.06
• 0.05 Question form

• 40.4 Follow-ups
• 10 are Author
• 6.7 Author redo link (17 clicked)
• 3 from phrase/title links
• 3.3 show Direct suggests (60.5 clicked)

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Clickthroughs

• 30.2 Academic Search Premier
• 24.9 Voyager Online Catalog
• 8.5 Scopus
• 7.1 ISI Web of Knowledge
• 6.8 InfoTrac
• 4.1 CARLI Statewide Catalog
• 3.1 Springer E-Books
• 2.7 E-Resource List
• 1.7 Google Books
• 1.1 Amazon
• 0.9 Google Scholar

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What We Have Learned

• Broad continuum of searches being presented
  topical, specific
• Spell suggestions important
• Must accommodate specific item search
• Author search and fielded search
• Use as Reference tool
• Search assistance being utilized

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Greater Coverage

• Patron looking for specific article on blood
  echogenicity by K. K. Shung in Journal of
  Cardiovascular Ultrasonography.

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Subject Coverage in Library Science

• Patron looking for articles by William H.
  Mischo.