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Ԇᥝ݇ᘍIn the field of deep learning for natural language processing (NLP), word embeddings are a key component. Distributed word embedding techniques, such as word2vec, have been widely used to learn continuous vector representations of words in high-dimensional spaces. The Bengio 03 paper, "A Neural Probabilistic Language Model," introduced the concept of using neural networks to model high-dimensional discrete distributions and learn word embeddings and probability functions simultaneously.
DL4J's word2vec is another implementation of the word embedding technique, using a two-layer shallow neural network. It can be trained using either the skip-gram or CBOW (Continuous Bag of Words) architectures. The skip-gram model works well with small datasets and rare words/phrases, while CBOW is faster to train and provides slightly better accuracy for frequent words.
In the context of NLP, recurrent neural networks (RNNs) and long short-term memory (LSTM) networks are commonly used for sequence labeling tasks. LSTM networks, proposed by Hochreiter and Schmidhuber, are particularly effective for capturing long-range dependencies in sequences.
Researchers like Alex Graves and Arun Colah have contributed significantly to the field through their work on deep recurrent neural networks for tasks like speech recognition and sequence labeling. Google Brain's research on recurrent neural network regularization has also advanced the understanding and application of RNNs in various NLP tasks.
CNNs (Convolutional Neural Networks) have also been used for tasks like sentence classification in NLP. Combining CNNs with LSTMs can yield improved results for certain tasks, leveraging the strengths of both architectures in a complementary manner.
Overall, deep learning techniques, including word embeddings, RNNs, LSTMs, and CNNs, have revolutionized the field of NLP and continue to drive advancements in natural language understanding and processing.