Boolean Searching

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(LexisNexis Academic: Boolean Search Strategies)
 
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==LexisNexis Academic: Boolean Search==
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==LexisNexis Academic: Boolean Search Strategies==
Each search box (whether it be on the main page, or on any of the search forms in the Search By Content TYpe Menu) default to a Natural Language search. However, if a user enters a Boolean connector such as:
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Each search box (whether it be on the main page, or on any of the search forms in the Search By Content Type Menu) default to a Natural Language search. However, if a user enters a Boolean connector such as:
  
 
  and, not, not w/n, not w/para, or, pre/n, pre/, w/, not w/seg, not w/sent, w/n, w/p, w/seg, w/s, atleast, allcaps, caps, nocaps, plural, singular  
 
  and, not, not w/n, not w/para, or, pre/n, pre/, w/, not w/seg, not w/sent, w/n, w/p, w/seg, w/s, atleast, allcaps, caps, nocaps, plural, singular  
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the search box will recognize the language and run a Boolean Search. Also, if the user narrows their search by date, uses any of the options on the Advanced Section, or types in a segment like PUBLICATION(), the search will run as Boolean.  
 
the search box will recognize the language and run a Boolean Search. Also, if the user narrows their search by date, uses any of the options on the Advanced Section, or types in a segment like PUBLICATION(), the search will run as Boolean.  
  
Boolean search logic gives you the tools to construct sophisticated queries that have high recall (return almost all relevant documents in the database) and high precision (do not return many irrelevant documents).  When combined with segment search techniques described in the [[Academic Document Sections]] these tools become even more powerful.
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Boolean search logic gives you the tools to construct sophisticated queries that have high recall (return almost all relevant documents in the database) and high precision (do not return many irrelevant documents).  When combined with segment search techniques described in the [[Advanced Search: Build Your Own Search| Build Your Own Segment Search Box]] article, these tools become even more powerful.
  
 
===Universal or Wildcard Characters===  
 
===Universal or Wildcard Characters===  

Latest revision as of 21:07, 22 December 2013