A Survey on Universal Approximation Theorems

A Survey on Universal Approximation Theorems

arXiv:2407.12895v1 Announce Type: new Abstract: This paper discusses various theorems on the approximation capabilities of neural networks (NNs), which are known as universal approximation theorems (UATs). The paper gives a systematic overview of UATs starting from the preliminary results on function approximation, such as Taylor's theorem, Fourier's theorem, Weierstrass approximation theorem, Kolmogorov - Arnold representation theorem, etc. Theoretical and numerical aspects of UATs are covered from both arbitrary width and depth. Source link lol
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9 foods that can boost your brain health — and don’t cost more than $1 per serving

9 foods that can boost your brain health — and don’t cost more than $1 per serving

Brain doctors Ayesha and Dean Sherzai have spent their careers investigating how to have a healthy brain."We learned that yes, there are things you can do," Mr. Sherzai told Business Insider. "Lifestyle has the most profound effect on brain health, more than anybody could imagine."One big study the two doctors often reference, which examined the diets of older adults living in public housing and nursing homes around Chicago, showed that those who adhered to a more brain-friendly diet pattern had a 53% lower risk of developing dementia."These are unimaginable numbers," Sherzai said. "No protocols, no weird stuff, no vitamin concoction."It's…
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ChatBCG: Can AI Read Your Slide Deck?

ChatBCG: Can AI Read Your Slide Deck?

arXiv:2407.12875v1 Announce Type: new Abstract: Multimodal models like GPT4o and Gemini Flash are exceptional at inference and summarization tasks, which approach human-level in performance. However, we find that these models underperform compared to humans when asked to do very specific 'reading and estimation' tasks, particularly in the context of visual charts in business decks. This paper evaluates the accuracy of GPT 4o and Gemini Flash-1.5 in answering straightforward questions about data on labeled charts (where data is clearly annotated on the graphs), and unlabeled charts (where data is not clearly annotated and has to be inferred from the X and…
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The Morning After: The age of the retro CD player is here

The Morning After: The age of the retro CD player is here

The mining of technology nostalgia is unrelenting. Earlier this week, we had an unofficial return of the iPod, not to mention Tamagotchis and now Discman. Well, not an actual Discman, which is a Sony brand, but the portable CD player is back.Audiophile brand FiiO has launched the DM13, a portable CD player with modern touches, like high-fidelity wireless and a built-in battery. No more AAs! The CD Player will go on sale in September for $179 (£179 in the UK). It begins shipping only in a silver finish, but FiiO says red, blue, titanium and black variants will arrive later…
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Over 40% of Japanese firms lack AI adoption plans

Over 40% of Japanese firms lack AI adoption plans

A Reuters survey released recently laid bare a nuanced picture of Japanese corporate acceptance and social attitudes toward technology. The survey, conducted by Nikkei Research, anonymously polled 506 companies from 3-12 July, with around half responding. It provides a broad view of how corporate Japan is striking a balance between incorporating AI and tightening cybersecurity amid changing social attitudes toward work. The survey revealed a striking divide in AI adoption across Japanese businesses. While nearly a quarter of companies have already integrated AI into their operations, a significant portion – over 40% – have yet to make any immediate plans…
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Computational Politeness in Natural Language Processing: A Survey

Computational Politeness in Natural Language Processing: A Survey

arXiv:2407.12814v1 Announce Type: new Abstract: Computational approach to politeness is the task of automatically predicting and generating politeness in text. This is a pivotal task for conversational analysis, given the ubiquity and challenges of politeness in interactions. The computational approach to politeness has witnessed great interest from the conversational analysis community. This article is a compilation of past works in computational politeness in natural language processing. We view four milestones in the research so far, viz. supervised and weakly-supervised feature extraction to identify and induce politeness in a given text, incorporation of context beyond the target text, study of politeness…
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Time Series in Data Science: Analysis of Bitcoin and Ethereum

Time Series in Data Science: Analysis of Bitcoin and Ethereum

Time series play a crucial role in Data Science, especially when analyzing financial data. The price variations of cryptocurrencies like Bitcoin and Ethereum offer an excellent opportunity to explore time series. In this article, we will analyze the price variations of Bitcoin and Ethereum in euros, using datasets ranging from 2012 to 2019 for Bitcoin and from 2015 to 2019 for Ethereum. We will also illustrate the use of some basic time series techniques with concrete examples and practical recommendations. Importing Libraries and Loading DataBefore diving into the analysis, we need to import the necessary libraries and load the datasets.…
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We Asked AI to Take Us On a Tour of Our Cities. It Was Chaos

We Asked AI to Take Us On a Tour of Our Cities. It Was Chaos

With high hopes of finding some hidden gems in our home cities and $100 (£77) each burning a hole in our pockets, we—Natasha Bernal in London and Amanda Hoover in New York—asked AI to plan out the perfect day.We decided to use Littlefoot, an AI-powered local discovery chatbot that can generate experiences in 161 cities around the world. It was created by Bigfoot, a startup founded by former Airbnb executives Alex Ward, James Robinson, and Shane Lykins that purports to enmesh the minds of all the publicly available AI chatbots, including ChatGPT, Claude, Llama, Anthropic, and Perplexity, in addition to…
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