51 - A Regularized Framework for Sparse and Structured Neural Attention, with Vlad Niculae

51 - A Regularized Framework for Sparse and Structured Neural Attention, with Vlad Niculae

Author: Allen Institute for Artificial Intelligence March 13, 2018 Duration: 16:36
NIPS 2017 paper by Vlad Niculae and Mathieu Blondel. Vlad comes on to tell us about his paper. Attentions are often computed in neural networks using a softmax operator, which maps scalar outputs from a model into a probability space over latent variables. There are lots of cases where this is not optimal, however, such as when you really want to encourage a sparse attention over your inputs, or when you have additional structural biases that could inform the model. Vlad and Mathieu have developed a theoretical framework for analyzing the options in this space, and in this episode we talk about that framework, some concrete instantiations of attention mechanisms from the framework, and how well these work.

While NLP Highlights is currently on hiatus, its archive remains a compelling snapshot of conversations from the front lines of computational linguistics. Produced by the Allen Institute for Artificial Intelligence, this science podcast carved out a space for deep, researcher-led discussions about natural language processing. Each episode functions as an informal seminar, where the people actively designing algorithms and pushing the field forward explain their work in their own words. You'll hear about the nuanced challenges behind making machines understand, generate, and reason with human language, from foundational theories to unexpected applications. The dialogue in this podcast often delves into the "why" behind the research, not just the results, offering clarity on complex topics like machine translation, sentiment analysis, or large language models. It’s a chance to listen as experts articulate their thought processes, debates, and moments of insight, with all the candidness that comes from a conversation between peers. The views shared are personal perspectives from the hosts and their guests, independent of their affiliated institutions. For anyone curious about how machines learn to parse meaning, the archived episodes of NLP Highlights provide a thoughtful and accessible entry point.
Author: Language: English Episodes: 100

NLP Highlights
Podcast Episodes
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122 - Statutory Reasoning in Tax Law, with Nils Holzenberger [not-audio_url] [/not-audio_url]

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121 - Language and the Brain, with Alona Fyshe [not-audio_url] [/not-audio_url]

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120 - Evaluation of Text Generation, with Asli Celikyilmaz [not-audio_url] [/not-audio_url]

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We invited Asli Celikyilmaz for this episode to talk about evaluation of text generation systems. We discussed the challenges in evaluating generated text, and covered human and automated metrics, with a discussion of re…
119 - Social NLP, with Diyi Yang [not-audio_url] [/not-audio_url]

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118 - Coreference Resolution, with Marta Recasens [not-audio_url] [/not-audio_url]

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117 - Interpreting NLP Model Predictions, with Sameer Singh [not-audio_url] [/not-audio_url]

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116 - Grounded Language Understanding, with Yonatan Bisk [not-audio_url] [/not-audio_url]

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115 - AllenNLP, interviewing Matt Gardner [not-audio_url] [/not-audio_url]

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In this special episode, Carissa Schoenick, a program manager and communications director at AI2 interviewed Matt Gardner about AllenNLP. We chatted about the origins of AllenNLP, the early challenges in building it, and…