How to show context of term in text document?

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Subject: How to show context of term in text document?
From: Antony Quinn <aquinn@xxxxxxxxx>
Date: Wed, 02 May 2007 17:28:29 +0100

Hello,

I would like to display the context in which a term appears in some text, in the same way that Google shows the 5 or so words before and after your search term in the document.

Example
-------

For this input:

<s id="39">
  The aforementioned oxygenated
  <z:e sem="chebi" ids="33284">nutrient</z:e> emulsion (using the
  fluorocarbon FC-80) was placed in a Harvey pediatric oxygenator
  (volume 1230cc) and maintained at about 40 DEG C
</s>

I want to show the 5 words before and after "nutrient":

... The aforementioned oxygenated *nutrient* emulsion (using the fluorocarbon FC-80) ...

Any ideas?

Thanks,

Antony

Current Thread
How to show context of term in text document? Antony Quinn - 2 May 2007 16:28:51 -0000 <= David Carlisle - 2 May 2007 16:36:43 -0000 Abel Braaksma - 2 May 2007 16:44:57 -0000 Mukul Gandhi - 2 May 2007 18:12:07 -0000

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