Corpus Create Annotation Schema By Chemical Tagger

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The user can perform a Chemical Tagger NER (for more details please visit http://gate.ac.uk/sale/tao/splitch21.html#sec:parsers:chemistrytagger ).

Selecting Corpus, the user must press right mouse button an select Corpus -> NER -> Chemical Tagger

Corpus Process NER Chemical Tagger.png

A GUI will be presented. The user can select targets

NER ChemicalTagger1.png

Ion ions (e.g. Fe3+, Cl-).

Compound compound formulas (e.g. SO2, H2O, H2SO4 ...).

Element element names and symbols (e.g. Sodium and Na).

Pressing Ok button the operations has lanched. Chemical Tagger NER operation will start and a small window will appear, indicating the execution of the operation and estimate time left and progress. The NER operation will take a few minutes or hours depending number of documents, document size and total resources terms.

When process finishing , a new NER Process object will be added to the Corpus Process View.