The TWIML AI Podcast (formerly This Week in Machine Learning & Artificial Intelligence)

Sam Charrington
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Mar 7, 2019 • 42min

Deep Learning in Optics with Aydogan Ozcan - TWiML Talk #237

Aydogan Ozcan, a UCLA professor specializing in electrical and computer engineering, discusses pioneering research at the intersection of deep learning and optics. He explains the concept of all-optical neural networks that mimic neuron behavior through diffraction. The conversation dives into practical applications such as enhanced biomedical imaging and environmental monitoring. Ozcan also highlights the role of 3D printing in reducing costs and dimensions of optical networks, showcasing the possibilities for future innovations in defense and security.
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Mar 4, 2019 • 46min

Scaling Machine Learning on Graphs at LinkedIn with Hema Raghavan and Scott Meyer - TWiML Talk #236

Today we’re joined by Hema Raghavan and Scott Meyer of LinkedIn to discuss the graph database and machine learning systems that power LinkedIn features such as “People You May Know” and second-degree connections. Hema shares her insight into the motivations for LinkedIn’s use of graph-based models and some of the challenges surrounding using graphical models at LinkedIn’s scale, while Scott details his work on the software used at the company to support its biggest graph databases.
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Mar 1, 2019 • 54min

Safer Exploration in Deep Reinforcement Learning using Action Priors with Sicelukwanda Zwane - TWiML Talk #235

Today we conclude our Black in AI series with Sicelukwanda Zwane, a masters student at the University of Witwatersrand and graduate research assistant at the CSIR, who presented on “Safer Exploration in Deep Reinforcement Learning using Action Priors” at the workshop. In our conversation, we discuss what “safer exploration” means in this sense, the difference between this work and other techniques like imitation learning, and how this fits in with the goal of “lifelong learning.”
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Feb 25, 2019 • 1h 5min

Dissecting the Controversy around OpenAI's New Language Model - TWiML Talk #234

In the inaugural TWiML Live, Sam Charrington is joined by Amanda Askell (OpenAI), Anima Anandkumar (NVIDIA/CalTech), Miles Brundage (OpenAI), Robert Munro (Lilt), and Stephen Merity to discuss the controversial recent release of the OpenAI GPT-2 Language Model. We cover the basics like what language models are and why they’re important, and why this announcement caused such a stir, and dig deep into why the lack of a full release of the model raised concerns for so many.
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Feb 22, 2019 • 47min

Human-Centered Design with Mira Lane - TWiML Talk #233

Today we present the final episode in our AI for the Benefit of Society series, in which we’re joined by Mira Lane, Partner Director for Ethics and Society at Microsoft. Mira and I focus our conversation on the role of culture and human-centered design in AI. We discuss how Mira defines human-centered design, its connections to culture and responsible innovation, and how these ideas can be scalably implemented across large engineering organizations.
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Feb 18, 2019 • 49min

Fairness in Machine Learning with Hanna Wallach - TWiML Talk #232

Hanna Wallach, Principal Researcher at Microsoft Research, discusses the impact of bias in machine learning, the challenges of deploying fair ML models, and the importance of transparency and interpretability. She highlights the need for diverse stakeholders and fair metrics in model training to address fairness challenges.
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Feb 18, 2019 • 57min

AI for Healthcare with Peter Lee - TWiML Talk #231

In this episode, we’re joined by Peter Lee, Corporate Vice President at Microsoft Research responsible for the company’s healthcare initiatives. Peter and I met back at Microsoft Ignite, where he gave me some really interesting takes on AI development in China, which is linked in the show notes. This conversation centers around impact areas Peter sees for AI in healthcare, namely diagnostics and therapeutics, tools, and the future of precision medicine.
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Feb 11, 2019 • 46min

An Optimized Recurrent Unit for Ultra-Low Power Acoustic Event Detection with Justice Amoh Jr. - TWiML Talk #230

Today, we're joined by Justice Amoh Jr., a Ph.D. student at Dartmouth’s Thayer School of Engineering. Justice presented his work on “An Optimized Recurrent Unit for Ultra-Low Power Acoustic Event Detection.” In our conversation, we discuss his goal of bringing low cost, high-efficiency wearables to market for monitoring asthma. We explore the challenges of using classical machine learning models on microcontrollers, and how he went about developing models optimized for constrained hardware environm
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Feb 11, 2019 • 33min

Pathologies of Neural Models and Interpretability with Alvin Grissom II - TWiML Talk #229

Today, we continue our Black in AI series with Alvin Grissom II, Assistant Professor of Computer Science at Ursinus College. In our conversation, we dive into the paper he presented at the workshop, “Pathologies of Neural Models Make Interpretations Difficult.” We talk through some of the “pathological behaviors” he identified in the paper, how we can better understand the overconfidence of trained deep learning models in certain settings, and how we can improve model training with entropy regulariz
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Feb 8, 2019 • 56min

AI for Earth with Lucas Joppa - TWiML Talk #228

Today we’re joined by Lucas Joppa, Chief Environmental Officer at Microsoft and Zach Parisa, Co-founder and president of Silvia Terra, a Microsoft AI for Earth grantee. In our conversation, we explore the ways that ML & AI can be used to advance our understanding of forests and other ecosystems, supporting conservation efforts. We discuss how Silvia Terra uses computer vision and data from a wide array of sensors, combined with AI, to yield more detailed estimates of the various species in our forests.

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