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Natural Language Processing with TensorFlow

Natural Language Processing with TensorFlow

By : Saad, Ganegedara
4.5 (10)
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Natural Language Processing with TensorFlow

Natural Language Processing with TensorFlow

4.5 (10)
By: Saad, Ganegedara

Overview of this book

Natural language processing (NLP) supplies the majority of data available to deep learning applications, while TensorFlow is the most important deep learning framework currently available. Natural Language Processing with TensorFlow brings TensorFlow and NLP together to give you invaluable tools to work with the immense volume of unstructured data in today’s data streams, and apply these tools to specific NLP tasks. Thushan Ganegedara starts by giving you a grounding in NLP and TensorFlow basics. You'll then learn how to use Word2vec, including advanced extensions, to create word embeddings that turn sequences of words into vectors accessible to deep learning algorithms. Chapters on classical deep learning algorithms, like convolutional neural networks (CNN) and recurrent neural networks (RNN), demonstrate important NLP tasks as sentence classification and language generation. You will learn how to apply high-performance RNN models, like long short-term memory (LSTM) cells, to NLP tasks. You will also explore neural machine translation and implement a neural machine translator. After reading this book, you will gain an understanding of NLP and you'll have the skills to apply TensorFlow in deep learning NLP applications, and how to perform specific NLP tasks.
Table of Contents (14 chapters)
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13
Index

Named Entity Recognition with RNNs

Now let’s look at our first task: using an RNN to identify named entities in a text corpus. This task is known as Named Entity Recognition (NER). We will be using a modified version of the well-known CoNLL 2003 (which stands for Conference on Computational Natural Language Learning - 2003) dataset for NER.

CoNLL 2003 is available for multiple languages, and the English data was generated from a Reuters Corpus that contains news stories published between August 1996 and August 1997. The database we’ll be using is found at https://github.com/ZihanWangKi/CrossWeigh and is called CoNLLPP. It is a more closely curated version than the original CoNLL, which contains errors in the dataset induced by incorrectly understanding the context of a word. For example, in the phrase “Chicago won …” Chicago was identified as a location, whereas it is in fact an organization. This exercise is available in ch06_rnns_for_named_entity_recognition...

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