July 2017
Beginner to intermediate
715 pages
17h 3m
English
Content preview from Java: Data Science Made Easy
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Downloading and extracting the Word2Vec model
To demonstrate sentiment analysis, we will use Google's Word2Vec models in conjunction with DL4J to simply classify movie reviews as either positive or negative based upon the words used in the review. This example is adapted from work done by Alex Black (https://github.com/deeplearning4j/dl4j-examples/blob/master/dl4j-examples/src/main/java/org/deeplearning4j/examples/recurrent/word2vecsentiment/Word2VecSentimentRNN.java). As discussed previously in this chapter, Word2Vec consists of two-layer neural networks trained to build meaning from the context of words. We will also be using a large set of movie reviews from http://ai.stanford.edu/~amaas/data/sentiment/.
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