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Ability to apply multiple pre-annotators to the same document(s)


You can run one pre-annotator on documents only. If you run one pre-annotator, and then run a second pre-annotator, the second run will strip the annotations that were added by the first pre-annotator from the documents. Pick the pre-annotation method that best fits your use case, and use that one only.


This is huge limitation because in most production use Watson Knowledge Studio the entity will need to leverage ALL pre annotation techniques. So entity 'Person Name' is best handled by Natural Language Understanding while entity 'Appliance'  is best handled by Dictionary. The true ease of use will happen when I can set both and then pre-annotate using both Dictionary and Natural Language Understanding. 


Allow combining multiple pre-annotators of any kind (Natural Language Understanding, Dictionary, Rules, or Custom Model) to the same set of documents without wiping out previous pre-annotations or human annotations. (NOTE: Would require adjudication in case of annotation conflicts.)

Different designs possible. E.g., running multiple pre-annotators simultaneously (one run) or sequentially (one after the other).

Original description before merging with WKS-I-39

Now only 1 type of pre-annotating can be used (Dictionary, Rules or NLU). It limits the pre-annotating volume and coverage while several entities should be annotated via dictionaries and rules at the same time.
It's possible also via merging Rules and Dictionaries in some way - i.e. the ability to add terms-based and rules-based pre-annotating techniques to the given entity.

  • Avatar32.5fb70cce7410889e661286fd7f1897de Guest
  • Jan 27 2018
  • Delivered
Who would benefit from this IDEA? Faster and complete pre-annotating
  • Attach files
  • Avatar40.8f183f721a2c86cd98fddbbe6dc46ec9
    Guest commented
    26 Oct, 2018 06:34pm

    Chaining pre-annotation is essential for customers e.g. Intralinks. NLU model does not have support for phone number but it supports email. So I would like pre-annotate my docs with nlu pre-annotator and then rule based pre-annotator for phone #.

  • Avatar40.8f183f721a2c86cd98fddbbe6dc46ec9
    Guest commented
    30 Jan, 2018 04:35am

    I would like to pre-annotate my new document set with my current model plus the dictionaries, in case there are changes to the dictionaries or the previous document set was missing some terms from the dictionaries.

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