Difference between revisions of "Corpus Relation Extraction With Biomedical Verbs"

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(Created page with "Category:HOWTOs The user can perform a new RE('''Relation Extraction''') after loading Corpus to Clipboard based in Natutal Language Processing. For tha...")
 
 
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[[Category:HOWTOs]]
 
[[Category:HOWTOs]]
  
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This operation is a special case of the one explained in [[Corpus Relation Extraction]], where the verbs (clues) used in RE are given by a user defined list.
  
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The user can perform a new RE('''Relation Extraction''') after [[Load_Corpus|loading Corpus to Clipboard]] based in Natutal Language Processing.
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We will only here show the differences.  
  
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For that user must select Corpus, pressing '''right mouse button''' an select '''Corpus -> RE-> Relation Extraction'''
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The operation is launched in the same way (right click a Corpus data-type object and select the option '''Corpus -> RE-> Relation Extraction''').
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Follow the wizard, the steps of selecting the processes and the POS taggers are similar.
  
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[[Image:Corpus_Process_RE.png|1500px|center]]
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== Model Selection ==
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In the model selection stage, select "Binary Select Verbs Only" and process to the selection of the verbs list pressing '''Next'''
  
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A new wizard will be presented. This allows to configure the RE.
 
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The first panel enables the '''selection''' of the '''processes''' that contains entities schema. Here the user can select the process that contains entities and at same time view some statics and process properties. After select Process press '''Next button''' to continue.
 
  
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[[Image:RE1.png|800px|center]]
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[[Image:RE_biomedical_1.png|800px|center]]
  
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Next Panel is for '''POS-Tagger selection''', Here user select witch POS-Tagger will be used, and some information about POS_TAgger origin will be present. After choose POS-Tagger must press '''Next Button''' to continue.
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== Biomedical Verb List ==
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The next panel allows to choose the '''Biomedical Verb List''' to use. Select a list of Biomedical Verbs (given by a Lexical Words object).
  
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[[Image:RE2.png|800px|center]]
 
  
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Proceeding, next panel is for '''Relation Extraction Model Selection'''. The user select the Relation model and panel show the result of model in relation extraction ( Panel Image Above). After selcted the best model the user must press '''Next Button'''
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[[Image:RE_biomedical_2.png|800px|center]]
  
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[[Image:RE3.png|800px|center]]
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== Result ==
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The RE operation will start and be executed as in the regular option and a new '''RE Process''' object will be added to the clipboard, in the  [[Corpus_Load_Process|''Corpus Process View'']].
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Proceeding, next panel is for choose '''Verb List Filter option'''. User can select a list of filter verbs (Lexical Words). This option, when selected, permits remove list of verbs from Relation Clues. For example, normally common English verbs like be, are not good indicators for Relations.
 
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[[Image:RE4.png|800px|center]]
 
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Proceeding, next panel is for choose '''Verb List Addition option'''. User can select a list of addition verbs (Lexical Words). This option, when selected, permits adding list of verbs that normally are not co-notated as verbs in POS-Taggers to addition as Relation Clue. After the user must press '''Ok Button'''.
 
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[[Image:RE5.png|800px|center]]
 
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RE operation will start and a small window will appear, indicating the execution of the operation. The REoperation will take a few minutes or hours, depending of corpus size.
 
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When the process finishing, a new '''RE Process''' object will be added to the [[Corpus_Load_Process|''Corpus Process View'']].
 

Latest revision as of 19:09, 23 January 2013

This operation is a special case of the one explained in Corpus Relation Extraction, where the verbs (clues) used in RE are given by a user defined list.

We will only here show the differences.

The operation is launched in the same way (right click a Corpus data-type object and select the option Corpus -> RE-> Relation Extraction). Follow the wizard, the steps of selecting the processes and the POS taggers are similar.

Model Selection

In the model selection stage, select "Binary Select Verbs Only" and process to the selection of the verbs list pressing Next


RE biomedical 1.png

Biomedical Verb List

The next panel allows to choose the Biomedical Verb List to use. Select a list of Biomedical Verbs (given by a Lexical Words object).


RE biomedical 2.png

Result

The RE operation will start and be executed as in the regular option and a new RE Process object will be added to the clipboard, in the Corpus Process View.

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