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May 23, 2023Enforcing a hierarchical clustering of semantically related labels improves performance on rare “long-tail” classification categories.
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May 19, 2023Training on pseudo-labeled data limits the consequences of slight input variations and prevents updated models from backsliding on particular tasks.
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May 16, 2023Amazon researchers draw inspiration from finite-volume methods and adapt neural operators to enforce conservation laws and boundary conditions in deep-learning models of physical systems.
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June 4 - 8, 2023
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June 4 - 10, 2023
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May 17, 2023The Amazon senior principal scientist coauthored a 2010 paper that introduced a new way to develop algorithms that make personalized recommendations for website users.
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May 15, 2023ARA recipient Marinka Zitnik is focused on how machine learning can enable accurate diagnoses and the development of new treatments and therapies.
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May 09, 2023Fifth challenge adds new elements and features four new competitors for the $1 million research grant.
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May 08, 2023Expansion includes the creation of interdisciplinary robotics courses and RoboLab, where students will engage in prototype development and feasibility testing.
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ACL Findings 20232023While impressive performance has been achieved on the task of Answer Sentence Selection (AS2) for English, the same does not hold for languages that lack large labeled datasets. In this work, we propose Cross-Lingual Knowledge Distillation (CLKD) from a strong English AS2 teacher as a method to train AS2 models for low-resource languages in the tasks without the need of labeled data for the target language
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2023Extracting structured and grounded fact triples from raw text is a fundamental task in Information Extraction (IE). Existing IE datasets are typically collected from Wikipedia articles, using hyperlinks to link entities to the Wikidata knowledge base. However, models trained only on Wikipedia have limitations when applied to web domains, which often contain noisy text or text that does not have any factual
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ACL Findings 20232023Task-oriented semantic parsing has drawn a lot of interest from the NLP community, and especially the voice assistant use-cases as it enables representing the meaning of user requests with arbitrarily nested semantics, including multiple intents and compound entities. SOTA models are large seq2seq transformers and require hundreds of thousands of annotated examples to be trained. However annotating such
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2023Streaming speech recognition architectures are employed for low-latency, real-time applications. Such architectures are often characterized by their causality. Causal architectures emit tokens at each frame, relying only on current and past signal, while non-causal models are exposed to a window of future frames at each step to increase predictive accuracy. This dichotomy amounts to a trade-off for real-time
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2023We present a novel approach for structured data-to-text generation that addresses the limitations of existing methods that primarily focus on specific types of structured data. Our proposed method aims to improve performance in multitask training, zero-shot and few-shot scenarios by providing a unified representation that can handle various forms of structured data such as tables, knowledge graph triples
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May 24, 2023How ARA recipient Supreeth Shashikumar is using machine learning to help hospitals detect sepsis — before it’s too late.
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March 31, 2023Attendees explored new avenues of research in areas including robotics and conversational AI via roundtables moderated by researchers from Amazon.
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March 08, 2023This year’s cohort is researching, among other topics, online changepoint detection algorithms and automated reasoning.
Working at Amazon
View allMeet the people driving the innovation essential to being the world’s most customer-centric company.
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April 05, 2023As a senior principal applied scientist at Amazon Web Services, Leino is continuing his career as a leading expert in program verification.
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March 14, 2023Ren Zhang and her team tackle the interesting science challenges behind surfacing the most relevant offerings.
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February 28, 2023How the former astrobiology professor is charting new territory as a scientist for Amazon Flex.