Salesforce, Inc.

Mridul Gupta

Ankit Chadha

Shiva Kumar Pentyala

Richard Socher

Abhishek Sharma

Indira Iyer

Gurkirat Singh

Jingyuan Liu

Suhail Sanjiv Barot

A system performs named entity recognition for performing natural language processing, for example, for conversation engines. The system uses context information in named entity recognition. The system includes the context of a sentence during model training and execution. The system generates high quality contextual data for training NER models. The system utilizes labeled and unlabeled contextual data for training NER models. The system provides NER models for execution in production environments. The system uses heuristics to determine whether to use a context-based NER model or a simple NER model that does not use context information. This allows the system to use simple NER models when the likelihood of improving the accuracy of prediction based on context is low.

Generation of training data for machine learning based models for named entity recognition for natural language processing

A natural language processing system that trains task models for particular natural language tasks programmatically generates additional utterances for inclusion in the training set, based on the existing utterances in the training set and the existing state of a task model as generated from the original (non-augmented) training set. More specifically, the training augmentation moduleidentifies specific textual units of utterances and generates variants of the utterances based on those identified units. The identification is based on determined importances of the textual units to the output of the task model, as well as on task rules that correspond to the natural language task for which the task model is being generated. The generation of the additional utterances improves the quality of the task model without the expense of manual labeling of utterances for training set inclusion.

Intelligent training set augmentation for natural language processing tasks

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San Mateo, CA, United States of America

Mridul Gupta