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34436 Posts
Provable Bounds on the Hessian of Neural Networks: Derivative-Preserving Reachability Analysis

Provable Bounds on the Hessian of Neural Networks: Derivative-Preserving Reachability Analysis

arXiv:2406.04476v1 Announce Type: new Abstract: We propose a novel reachability analysis method tailored for neural networks with differentiable activations. Our idea hinges on a sound abstraction of the neural network map based on first-order Taylor expansion and bounding the remainder. To this end, we propose a method to compute analytical bounds on the network's first derivative (gradient) and second derivative (Hessian). A key aspect of our method is loop transformation on the activation functions to exploit their monotonicity effectively. The resulting end-to-end abstraction locally preserves the derivative information, yielding accurate bounds on small input sets. Finally, we employ a branch…
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MambaDepth: Enhancing Long-range Dependency for Self-Supervised Fine-Structured Monocular Depth Estimation

MambaDepth: Enhancing Long-range Dependency for Self-Supervised Fine-Structured Monocular Depth Estimation

arXiv:2406.04532v1 Announce Type: new Abstract: In the field of self-supervised depth estimation, Convolutional Neural Networks (CNNs) and Transformers have traditionally been dominant. However, both architectures struggle with efficiently handling long-range dependencies due to their local focus or computational demands. To overcome this limitation, we present MambaDepth, a versatile network tailored for self-supervised depth estimation. Drawing inspiration from the strengths of the Mamba architecture, renowned for its adept handling of lengthy sequences and its ability to capture global context efficiently through a State Space Model (SSM), we introduce MambaDepth. This innovative architecture combines the U-Net's effectiveness in self-supervised depth estimation with…
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Multi-Label Classification for Implicit Discourse Relation Recognition

Multi-Label Classification for Implicit Discourse Relation Recognition

arXiv:2406.04461v1 Announce Type: new Abstract: Discourse relations play a pivotal role in establishing coherence within textual content, uniting sentences and clauses into a cohesive narrative. The Penn Discourse Treebank (PDTB) stands as one of the most extensively utilized datasets in this domain. In PDTB-3, the annotators can assign multiple labels to an example, when they believe that multiple relations are present. Prior research in discourse relation recognition has treated these instances as separate examples during training, and only one example needs to have its label predicted correctly for the instance to be judged as correct. However, this approach is inadequate,…
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GopherCite: Teaching language models to support answers with verified quotes

GopherCite: Teaching language models to support answers with verified quotes

DeepMind published a series of papers about large language models (LLMs) last year, including an analysis of Gopher, our large language model. Language modelling technology, which is also currently being developed by several other labs and companies, promises to strengthen many applications, from search engines to a new wave of chatbot-like conversational assistants and beyond. One paper in this series laid out a number of reasons why “raw” language models like Gopher do not meet our standards for safely deploying this technology in user-facing applications, especially if guard rails for managing problematic and potentially harmful behaviour are not set in…
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Apple debuts new ‘Apple Intelligence’ AI features at WWDC 2024

Apple debuts new ‘Apple Intelligence’ AI features at WWDC 2024

Tim Cook, the Apple CEO, announced a series of generative artificial intelligence products and services on Monday during his keynote speech at the company’s annual developer conference, WWDC.The new tools mark a major shift toward AI for Apple, which has seen slowing global sales over the past year and integrated fewer AI features into its consumer-facing products than competitors.“It has to understand you and be grounded in your personal context like your routine, your relationships, your communications, and more. It’s beyond artificial intelligence. It’s personal intelligence,” said Cook. “Introducing Apple Intelligence.”The company also announced an updated operating system for its…
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An activist investor with a new $1.9 billion stake in Southwest is calling for big changes at the airline

An activist investor with a new $1.9 billion stake in Southwest is calling for big changes at the airline

Southwest Airlines touts itself as the "LUV" carrier, with its two free checked bags and comedic flight crews — a strategy that revolutionized low-cost air travel and earned the carrier a 47-year profitability streak from 1973 to 2019."Poor execution and leadership's stubborn unwillingness to evolve the Company's strategy have led to deeply disappointing results for shareholders, employees and customers alike," the activist investment firm said in a letter announcing a new $1.9 billion stake, which makes it among the company's largest shareholders.Elliott said Southwest leadership had a "rigid commitment" to the model it dreamed up decades ago, blaming that for…
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Apple Intelligence Will Infuse the iPhone With Generative AI

Apple Intelligence Will Infuse the iPhone With Generative AI

Apple is finally getting into the generative artificial intelligence game.Apple CEO Tim Cook announced Apple’s long-awaited AI reboot at the company’s Worldwide Developer Conference in Cupertino, California, today. What the company is calling “Apple Intelligence” includes a handful of features that will shape the iOS experience in ways large and small. Apple also gave Siri, its currently limited voice assistant, a significant generative AI overhaul.Apple also announced that it will incorporate outside AI models into its software, starting with OpenAI’s ChatGPT later this year, making clear that the experience will be opt-in only and won’t require a ChatGPT subscription. Siri…
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It’s Go Time for Open Data Lakehouses

It’s Go Time for Open Data Lakehouses

(greenbutterfly/Shutterstock) If you’re a supporter of open data, it’s hard not to feel good about last week’s news around Apache Iceberg. Customers demanded an open storage format, and the two leading providers, Snowflake and Databricks, are delivering it, in a big way. To recap: Databricks surprised the big data community last Tuesday by throwing its weight behind Apache Iceberg with the announcement of its intent to acquire Tabular, which was founded by former Netflix engineers who created Iceberg. That announcement came a day after Snowflake unveiled Polaris, a new metadata catalog designed to work with Iceberg, thereby enabling customers to…
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Apple announces Apple Intelligence, its multi-modal generative AI service for Mac, iPhone, iPad

Apple announces Apple Intelligence, its multi-modal generative AI service for Mac, iPhone, iPad

VB Transform 2024 returns this July! Over 400 enterprise leaders will gather in San Francisco from July 9-11 to dive into the advancement of GenAI strategies and engaging in thought-provoking discussions within the community. Find out how you can attend here. Today at Apple, Inc.’s annual Worldwide Developer Conference (WWDC 2024) at its headquarters in Cupertino, California, the company announced its most significant generative AI effort yet: Apple Intelligence, a much-rumored new service combining multiple AI models that aims to provide personalized, private, and secure capabilities across Mac, iPhone, and iPad devices. “It’s aware of your personal data without collecting…
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