Tap the Power of AVS
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Transcript of Tap the Power of AVS
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Tap the Power of AVS
by
Jerry V. Caswell
John WynstraUniversity of Northern Iowa
http://www.uni.edu/~caswell/avs/
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A library is a growing organism.
-Shiyali Ramamrita Ranganathan
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Save the time of the reader.
-Shiyali Ramamrita Ranganathan
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AVS – Advanced Searching
• What is AVS– AltaVista Search Engine Technology– Extra purchase from Innovative– Pricing Staggered by library size
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AVS - 3 Modes
• X - Advanced Boolean (AND OR NOT Limits &
Sorts)– AltaVista Advanced Search Syntax
• Y - Simple Boolean (AND OR NOT )– AltaVista Advanced Search Syntax
• Z - Altavista simple (+ -)– AltaVista Basic Search Syntax -
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Boolean Search Syntax
• AND & OR | NOT !
• BEFORE AFTER NEAR ~ WITHIN
Example Searches
Xml and html
Xml and not html
Xml within 3 html
Xml near html
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AltaVista Simple Search Syntax
• + Include
• - Exclude
Example Searches
+Xml +html
+Xml -html
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AVS WildCards
? 1 character
* 1-5 characters
**unlimited characters
Note: Must have at least 3 stem characters
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Sample Wildcard Searches
Wom?n (women and woman)
Trans* (transport not transportation)
Trans** (transportation)
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AVS and Punctuation
These all become spaces in an AVS search
: \ @ ; ` = % , _ / ^ #
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AVS Search Tags
• a: (author)• t: (title)• d: (subject)• w: n: (notes)• genre:• Mattype:mattype?• Lang:Lang???• Branch:branch???
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Sample Tagged Searches
a:Beethoven and g:compact discs
g:videocassettes
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Understanding the AVS URL
• http://innovative.server.edu/search/X?
• + searchString
• + limitString
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AVS URL Example
http://unistar.uni.edu/search/X?SEARCH=
searcha:beethoven&g=compact%20discs
limit&m=j&l=ger&b=&searchscope=1&SORT=A
&Da=&Db=
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AVS Configuration options
37 > Alta-Vista Searching: Ranking Options.........DAR
Type any combination of the below "Search and Sort" options.
First code entered is the default option.A = Alphabetical D = Date R = Relevance
Current Fields: DAR
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AVS Configuration options
41 > AVS automatic quote insertion......CALL Innov.
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Four Configuration options
42 > AVS performs adjacency search.......YES
AVS performs adjacency search
Current Setting: YES
Change setting to NO? (y/n)
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Four Configuration options
44 > AVS performs OR search.................................................NO
AVS performs OR search
Current Setting: NO
Change setting to YES? (y/n)
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Begin Search
Results?
Sorry Display Results
term1 term2
term1 OR term2
term1AND term2
Results?
Results?
no
no
no
yes
yes
yes
Adjacency to Yes
Or to Yes
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Indexing Concepts
• Advanced Keyword Index is broken down into segments.
1. Title2. Subject3. Author4. Note
• We added an additional segments such as:– Genre
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Some Local Practices
Catalog e-journals
Added author entry for e-journal providers 710 2\$aLexisNexis Academic
Forms in genre index 655 \7$aElectronic Journals$2local
Special location code for internet resources
1intr
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AVS Applied
• Modifying the User Interface
• Canned Searching
• Library Gateway
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Modifying the User Interface
• Phase 3– Integrates keyword with phrase searches in a
single form
• Before Phase 3– Dropdown field selection– Additional qualification: resource types
(dictionaries, encyclopedias)
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Dropdown Field Selection
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Resource Types
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Modifying the User Interface
• Post Phase 3– Integrate pre-qualified AVS searches with
phrase searches in a single form
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Fully Integrated Interface
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Fully Integrated Interface 2
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Canned Searching
• Place search forms outside of vendor interface
• Taming the complexity while tapping the power
• Available at point of need
• Tailored to context
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Predefined Searches
– All parameters hard coded into URL– Both search terms and qualifiers
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Predefined Searches
• Browse a List of Print and Electronic Newspapers by Title
• http://unistar.uni.edu/search/X?SEARCH=genre:newspapers&searchscope=1&SORT=A
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Guided Searches
• Users enter query in search form
• Hidden qualifiers provide limits
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Guided Search
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Rod Library Gateway
• Gateway as a structured means of organizing information
• Process centered categories: Find articles
• Action oriented
• Melding the catalog into the Gateway
• Continuity of look and feel
• Specialized retrieval forms
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Gateway: Major Category
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Gateway: Subcategory
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Gateway: Major Category
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Gateway: Subcategory
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Quote of the Day
“Information finding for users is a series of approximations rather than a series of certainties.”
-- Jerry Caswell