SNOMED Documentation Search


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Effective implementation of

Gloss
tSNOMED CT
depends on the speed and simplicity with which users can locate the terms and
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RefTypefield
tterm
and
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tconcepts
that they wish to use. A busy clinical user may become frustrated if the content they need cannot be quickly located when they search using familiar words or phrases. For this reason an efficient search strategy should address the following issues:

  • Anchor
    _d5645d0d-0650-457f-894c-cdd377729f23__d
    _d5645d0d-0650-457f-894c-cdd377729f23__d
    Speed of search:
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    _d5645d0d-0650-457f-894c-cdd377729f23__4
    _d5645d0d-0650-457f-894c-cdd377729f23__4
    • Search speed should be optimized by use of appropriate indexes.
  • Search should not be too sensitive to word
    Specref
    RefTypefield
    torder
    or exact phrasing:
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    _d5645d0d-0650-457f-894c-cdd377729f23__9
    _d5645d0d-0650-457f-894c-cdd377729f23__9
    • Search should be insensitive to word -
      Specref
      RefTypefield
      torder
      variants:
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      _d5645d0d-0650-457f-894c-cdd377729f23__5
      _d5645d0d-0650-457f-894c-cdd377729f23__5
      • For example, "head pain" for scg-expression
        Concept
        ShowParts
        t
        term
        25064002|pain
        in
        head|
    • Allow use of acronyms or abbreviations for frequently used terms
      Specref
      RefTypefield
      tterm
      :
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      _d5645d0d-0650-457f-894c-cdd377729f23__f
      _d5645d0d-0650-457f-894c-cdd377729f23__f
      • For example, "MI" for "myocardial infarction" or "mitral incompetence".
    • Search should take account of word form variants:
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      _d5645d0d-0650-457f-894c-cdd377729f23__8
      _d5645d0d-0650-457f-894c-cdd377729f23__8
      • For example, "inflamed", "inflammatory", "inflammation".
  • Excessive search results should not hinder selection of the required
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    tconcept
    :
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    _d5645d0d-0650-457f-894c-cdd377729f23__b
    _d5645d0d-0650-457f-894c-cdd377729f23__b
    • When several
      Gloss
      tsynonyms
      of the same
      Gloss
      tconcept
      match the search key, only one should be displayed.

The purpose of this section of the implementation guide is to describe strategies a developer might use to implement the search requirements outlined above.

The Developer Toolkit contains several files, which help to support efficient search mechanisms. These include the Excluded words table, four keyword indexes and the Word Equivalents Table summarized by .