Difference between revisions of "Corpus Create Annotation Schema By Chemical Tagger"
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Selecting the Corpus object on the clipboard, you should right click over it an choose '''Corpus -> NER -> Chemical Tagger''' | Selecting the Corpus object on the clipboard, you should right click over it an choose '''Corpus -> NER -> Chemical Tagger''' | ||
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[[Image:Corpus_Process_NER_Chemical_Tagger.png|1500px|center]] | [[Image:Corpus_Process_NER_Chemical_Tagger.png|1500px|center]] | ||
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A GUI will be presented, where you can select tagger sources: | A GUI will be presented, where you can select tagger sources: | ||
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*'''Element''' names and symbols (e.g. Sodium and Na). | *'''Element''' names and symbols (e.g. Sodium and Na). | ||
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[[Image:NER_ChemicalTagger1.png|800px|center]] | [[Image:NER_ChemicalTagger1.png|800px|center]] | ||
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Pressing '''Ok''' the operation will be launched and a progress window will be shown, indicating the execution of the operation and estimate time left. | Pressing '''Ok''' the operation will be launched and a progress window will be shown, indicating the execution of the operation and estimate time left. | ||
Revision as of 19:54, 16 January 2013
One of the options for performing NER is the use of the Chemical Tagger NER algorithm (for more details please visit http://gate.ac.uk/sale/tao/splitch21.html#sec:parsers:chemistrytagger ).
Selecting the Corpus object on the clipboard, you should right click over it an choose Corpus -> NER -> Chemical Tagger
A GUI will be presented, where you can select tagger sources:
- Ion(e.g. Fe3+, Cl-).
- Compound formulas (e.g. SO2, H2O, H2SO4 ...).
- Element names and symbols (e.g. Sodium and Na).
Pressing Ok the operation will be launched and a progress window will be shown, indicating the execution of the operation and estimate time left.
The NER operation will take a few minutes or hours depending on the number of documents, document size and used resources.
When the process terminates, a new NER Process object will be added to the clipboard and be visualized through the Corpus Process View.
