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Facebook Open Sources PyText Natural Language Processing Framework

Facebook Inc. wants to help make it easier for developers to build and deploy artificial intelligence-based natural language processing systems. To do so, today it’s open sourcing a new NLP modeling framework called PyText that it said helps to bridge the gap between experimenting with such systems

Facebook Open Sources PyText Nnatural Language Processing Framework
Facebook Open Sources PyText Nnatural Language Processing Framework

Facebook Inc. wants to help make it easier for developers to build and deploy artificial intelligence-based natural language processing systems.

To do so, today it’s open sourcing a new NLP modeling framework called PyText that it said helps to bridge the gap between experimenting with such systems and getting them up and running in production.

Facebook’s developer team said in a blog post that PyText is useful because building the neural networks necessary for NLP systems has traditionally been something of a headache. That’s because of what it said is a tradeoff between frameworks optimized for experimentation and those optimized for production.

Building NLP systems typically requires extensive training and testing of dozens of AI models. Most of this training and testing is done on “research-oriented frameworks,” which Facebook said are great as they provide a simple interface that speeds up the creation of these models.

But research frameworks aren’t so suitable for running NLP systems in production because the models those systems use suffer from increased latency and memory use. There are existing production frameworks that can handle these problems, but they apparently make it difficult to create dynamic representations of text sequences, which is a necessity for any reliable NLP system, Facebook said.

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That’s why Facebook decided to create and open-source PyText, which is a software library built on its open-source PyTorch deep learning framework.

Facebook said PyText is built to address the specific needs of NLP modeling, which it does by providing a simplified workflow that enables faster experimentation. It also provides access to a variety of pre-built model architectures, plus tools for text processing and vocabulary management. Finally, it can also access the wider PyTorch ecosystem, which has its own tools and models for NLP systems.

The company said PyText makes it possible both to experiment with NLP systems and to deploy them in production for tasks such as document classification, multitask modeling, semantic parsing and sequence tagging.

“At Facebook, we’ve used this framework to take NLP models from idea to full implementation in just days, instead of weeks or months, and to deploy complex models that rely on multitask learning,” Facebook’s engineering team wrote.

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Analyst Holger Mueller of Constellation Research Inc. said it’s good to see more competition with frameworks of this type because natural language processing is vital to next-generation software applications.

“Voice as the new UI can only have a chance with working NLP models, and competition across the frameworks is vital to foster progress in capabilities and give CxOs options with how to build AI models for the next generation apps,” Mueller said. “As with all new offerings, caution and validation are the key advice in the first months of life, but open sourcing the framework will get more early eyes and ears on the code, and depending on how that goes, help to build more confidence in the framework.”

Facebook has already used PyText internally to improve the NLP capabilities of some of its own products, including the M suggestions feature in Messenger and its new Portal video calling device.

“With Portal, Messenger, and many other use cases, we need to run models in real time in order to offer quick responses,” the team wrote. “We also need NLP systems that operate efficiently at massive scale. PyText has made it easier for Facebook engineers to deploy advanced real-time NLP in systems used by billions of people speaking many different languages.”

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Daniel Jack

For Daniel, journalism is a way of life. He lives and breathes art and anything even remotely related to it. Politics, Cinema, books, music, fashion are a part of his lifestyle.

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