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natural language processing

NLP's ImageNet moment has arrived

Big changes are underway in the world of NLP. The long reign of word vectors as NLP's core representation technique has seen an exciting new line of challengers emerge. These approaches demonstrated that pretrained language models can achieve state-of-the-art results and herald a watershed moment.

natural language processing

Tracking the Progress in Natural Language Processing

Research in ML and NLP is moving at a tremendous pace, which is an obstacle for people wanting to enter the field. To make working with new tasks easier, this post introduces a resource that tracks the progress and state-of-the-art across many tasks in NLP.

natural language processing

Highlights of NAACL-HLT 2018: Generalization, Test-of-time, and Dialogue Systems

This post discusses highlights of the 16th Annual Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies (NAACL-HLT 2018). It focuses on Generalization, the Test-of-Time awards, and Dialogue Systems.

semi-supervised learning

An overview of proxy-label approaches for semi-supervised learning

While unsupervised learning is still elusive, researchers have made a lot of progress in semi-supervised learning. This post focuses on a particular promising category of semi-supervised learning methods that assign proxy labels to unlabelled data, which are used as targets for learning.

tensorflow

Text Classification with TensorFlow Estimators

This post is a tutorial that shows how to use Tensorflow Estimators for text classification. It covers loading data using Datasets, using pre-canned estimators as baselines, word embeddings, and building custom estimators, among others.

transfer learning

Requests for Research

It can be hard to find compelling topics to work on and know what questions to ask when you are just starting as a researcher. This post aims to provide inspiration and ideas for research directions to junior researchers and those trying to get into research.

optimization

Optimization for Deep Learning Highlights in 2017

Different gradient descent optimization algorithms have been proposed in recent years but Adam is still most commonly used. This post discusses the most exciting highlights and most promising recent approaches that may shape the way we will optimize our models in the future.

word embeddings

Word embeddings in 2017: Trends and future directions

Word embeddings are an integral part of current NLP models, but approaches that supersede the original word2vec have not been proposed. This post focuses on the deficiencies of word embeddings and how recent approaches have tried to resolve them.

multi-task learning

Multi-Task Learning Objectives for Natural Language Processing

Multi-task learning is becoming increasingly popular in NLP but it is still not understood very well which tasks are useful. As inspiration, this post gives an overview of the most common auxiliary tasks used for multi-task learning for NLP.

natural language processing

Highlights of EMNLP 2017: Exciting datasets, return of the clusters, and more

This post discusses highlights of the 2017 Conference on Empirical Methods in Natural Language Processing (EMNLP 2017). These include exciting datasets, new cluster-based methods, distant supervision, data selection, character-level models, and many more.

domain adaptation

Learning to select data for transfer learning

Domain adaptation methods typically seek to identify features that are shared between the domains or learn representations that are general enough to be useful for both domains. This post discusses a complementary approach to domain adaptation that selects data that is useful for training the model.

natural language processing

Deep Learning for NLP Best Practices

Neural networks are widely used in NLP, but many details such as task or domain-specific considerations are left to the practitioner. This post collects best practices that are relevant for most tasks in NLP.

multi-task learning

An Overview of Multi-Task Learning in Deep Neural Networks

Multi-task learning is becoming more and more popular. This post gives a general overview of the current state of multi-task learning. In particular, it provides context for current neural network-based methods by discussing the extensive multi-task learning literature.

transfer learning

Transfer Learning - Machine Learning's Next Frontier

Deep learning models excel at learning from a large number of labeled examples, but typically do not generalize to conditions not seen during training. This post gives an overview of transfer learning, motivates why it warrants our application, and discusses practical applications and methods.

meta-learning

Highlights of NIPS 2016: Adversarial learning, Meta-learning, and more

The Conference on Neural Information Processing Systems (NIPS) is one of the top ML conferences. This post discusses highlights of NIPS 2016 including GANs, the nuts and bolts of ML, RNNs, improvements to classic algorithms, RL, Meta-learning, and Yann LeCun's infamous cake.

cross-lingual

A survey of cross-lingual word embedding models

Monolingual word embeddings are pervasive in NLP. To represent meaning and transfer knowledge across different languages, cross-lingual word embeddings can be used. Such methods learn representations of words in a joint embedding space.

natural language processing

Highlights of EMNLP 2016: Dialogue, deep learning, and more

This post discusses highlights of the 2016 Conference on Empirical Methods in Natural Language Processing (EMNLP 2016). These include work on reinforcement learning, dialogue, sequence-to-sequence models, semantic parsing, natural language generation, and many more.

word embeddings

On word embeddings - Part 3: The secret ingredients of word2vec

Word2vec is a pervasive tool for learning word embeddings. Its success, however, is mostly due to particular architecture choices. Transferring these choices to traditional distributional methods makes them competitive with popular word embedding methods.

events

LxMLS 2016 Highlights

The Lisbon Machine Learning School (LxMLS) is an annual event that brings together researchers and graduate students in ML, NLP, and Computational Linguistics. This post discusses highlights, key insights, and takeaways from the 6th edition of the summer school.

word embeddings

On word embeddings - Part 2: Approximating the Softmax

The softmax layer is a core part of many current neural network architectures. When the number of output classes is very large, such as in the case of language modelling, computing the softmax becomes very expensive. This post explores approximations to make the computation more efficient.

word embeddings

On word embeddings - Part 1

Word embeddings popularized by word2vec are pervasive in current NLP applications. The history of word embeddings, however, goes back a lot further. This post explores the history of word embeddings in the context of language modelling.

optimization

An overview of gradient descent optimization algorithms

Gradient descent is the preferred way to optimize neural networks and many other machine learning algorithms but is often used as a black box. This post explores how many of the most popular gradient-based optimization algorithms such as Momentum, Adagrad, and Adam actually work.