Tag

Natural Language Processing

All articles tagged with #natural language processing

health27 days ago•20 min saved

Speech-based AI predicts adolescent psychopathology years ahead

A study of 204 youths (mean age ~11) used automated natural language processing of stress narratives to forecast internalizing psychopathology up to six years later; linguistic features explained more than twice the variance of traditional risk factors, with language style (not just explicit emotion) most predictive. Transformer-based embeddings were interpreted to reveal risk and resilience themes, including narratives of physical violence and social exclusion as risk markers, and routine activities and healthcare access as protective factors. These data-driven semantic dimensions also predicted future diagnostic outcomes, outperforming expert ratings of cumulative stress, suggesting a scalable AI framework to identify objective risk markers and guide targeted interventions in adolescence.

via Nature|

#adolescent-mental-health #health #natural-language-processing

technology1 month ago•11 min saved

Compact language models push medicine toward scalable AI

Small language models (SLMs) offer a scalable, practical alternative to large language models for medical tasks, enabling broader real-world deployment across diverse clinical settings, but they trade off some accuracy and robustness and require careful evaluation, domain adaptation, and governance to address safety and integration challenges.

via Nature|

#ai-in-healthcare #compact-language-models #healthcare-ai

technology8 months ago•0 min saved

Advocating for AI that Understands Over Predicts

The article argues for the development of AI models that truly understand the world, rather than just predict outcomes, emphasizing the importance of semantic comprehension in language models to be genuinely useful.

via Marcus on AI|

#ai-comprehension #ai-understanding #machine-learning

science9 months ago•6 min saved

AI Converts Brain Activity Into Clear Text and Sentences

A new brain decoding technique called mind captioning can generate accurate, structured text descriptions of what a person sees or recalls by translating semantic brain activity into language without relying on traditional language areas, opening new possibilities for nonverbal communication and understanding mental content.

via Neuroscience News|

#brain-activity #brain-decoding #mind-captioning

technology1 year ago•4 min saved

ChatGPT's New Search Feature Challenges Google's Dominance

ChatGPT Search, a new feature from OpenAI, is being touted as a potential replacement for Google Search due to its ability to understand conversational queries and provide detailed, conversational responses with citations. Unlike traditional search engines, ChatGPT can generate comprehensive answers and itineraries, making it easier for users to find specific information without sifting through multiple links. While Google still holds advantages in areas like shopping and maps, ChatGPT's ease of use for everyday queries is highlighted as a significant benefit.

via ZDNet|

#ai #chatgpt #google-search

technology2 years ago•9 min saved

"Unveiling the Evolution of Artificial Intelligence: From Definitions to Global Conversations"

Artificial intelligence (AI) encompasses technologies that exhibit human-like intelligence, with machine learning being the most widely used approach today. Generative AI, such as ChatGPT, uses deep learning and neural networks to produce outputs based on user input, revolutionizing tasks like language processing and image generation. While AI has made significant strides, there is debate about its potential to achieve artificial general intelligence (AGI). AI technologies are already prevalent in various applications, from recommendation algorithms to fraud detection, and are increasingly integrated into chatbots and digital assistants, although challenges and risks remain in their widespread deployment.

via Livescience.com|

#artificial-intelligence #deep-learning #generative-ai

artificial-intelligence2 years ago•3 min saved

"AI Models Communicate and Learn Skills Independently"

Scientists have developed AI models capable of learning and communicating with each other using natural language processing, allowing them to pass on skills and perform tasks based solely on written instructions. The AI network, consisting of a language model and a sensorimotor-recurrent neural network, demonstrated the ability to understand and carry out tasks from linguistic instructions and then communicate these tasks to a "sister" AI, which successfully performed them as well. This breakthrough in AI communication and learning could have implications for the development of humanoid robots and our understanding of human brain function.

via Livescience.com|

#ai #artificial-intelligence #communication

artificial-intelligence2 years ago•4 min saved

"Conversing AIs: The Dialogue Between Two Artificial Intelligences"

Researchers at the University of Geneva have developed an artificial neural network capable of learning and describing tasks to another AI using verbal instructions, a unique human ability that distinguishes us from other species. The network, based on the S-Bert model, was trained to understand and produce language, and then to perform tasks based on written instructions. This breakthrough has promising implications for robotics, as it opens new possibilities for machines to communicate and understand each other, potentially leading to the development of humanoid robots capable of linguistic interaction and task replication.

via Tech Xplore|

#ai #artificial-intelligence #language-and-behavior

health-and-science2 years ago•3 min saved

"Link Between Slowed Speech and Cognitive Decline Uncovered by Scientists"

A recent study from the University of Toronto suggests that the speed of speech, rather than the difficulty in finding words, is a more accurate indicator of brain health in older adults. The research found that the pace of everyday speech was closely linked to age-related decline in cognitive abilities, highlighting a broader decline than just difficulty in word retrieval. While the study's findings are promising, future research could incorporate verbal fluency tasks and subjective experiences of word-finding difficulties to better quantify and detect early cognitive decline. Additionally, advancements in natural language processing technologies could allow for automatic detection of language changes, such as slowed speech rate, as a subtle marker of cognitive health.

via ScienceAlert|

#alzheimers #cognitive-decline #health-and-science

technology2 years ago•4 min saved

"Smaug-72B: The Reigning Champion of Open-Source AI"

Abacus AI has released Smaug-72B, a new open-source language model that outperforms GPT-3.5 and Mistral Medium, marking a significant milestone in the field of natural language processing. With an average score of over 80 on the Hugging Face Open LLM leaderboard, Smaug-72B showcases the potential of open-source AI to rival Big Tech's capabilities. This release, along with Qwen's recent advancements, signals a new era of AI innovation and democratization, challenging the dominance of big tech companies and opening new possibilities for everyone.

via VentureBeat|

#abacus-ai #natural-language-processing #open-source-ai

health-and-medicine2 years ago•2 min saved

"AI Identifies Risky Alcohol Use in Patients Pre-Surgery"

A new analysis suggests that artificial intelligence could help identify patients at risk of dangerous alcohol use before surgery by analyzing contextual clues in their medical records. Using a natural language processing model, researchers found that the AI could identify three times as many at-risk patients compared to diagnostic codes alone. This could potentially assist clinicians in providing intervention or postoperative support for patients with risky alcohol use, ultimately improving surgical outcomes.

via The Washington Post|

#ai #alcohol-use #health-and-medicine

technology2 years ago•5 min saved

"Empowering Creators: Building Custom GPTs with ChatGPT and OpenAI"

OpenAI's ChatGPT now allows users to create custom GPTs tailored to their specific needs, such as language learning or creative writing, by following a few simple steps on the ChatGPT website. Users can customize the conversational style, provide foundational documents or data, and enable extra capabilities like web browsing or code interpretation. A ChatGPT Plus subscription is required to access this feature, and users can continuously refine and update their custom GPTs as needed.

via Digital Trends|

#ai #chatgpt #custom-gpt

technology2 years ago•1 min saved

OpenAI Acknowledges ChatGPT's Laziness and Promises a Solution

OpenAI has confirmed that its language model, ChatGPT, has been giving lackluster responses and behaving "lazier" than usual. Users have reported instances of ChatGPT not being as helpful as before, and OpenAI is investigating the issue. While the specific cause of the underperformance has not been disclosed, it may be related to a November 11th upgrade. This is not the first time users have complained about ChatGPT's decline in performance, with previous reports being denied by OpenAI. Some users speculate that OpenAI may be limiting bandwidth per user, resulting in abbreviated answers.

via Mashable|

#ai #chatgpt #natural-language-processing

technology2 years ago•4 min saved

Mistral's Mixtral-8x7B: A Game-Changing AI Model

Mistral AI has released Mixtral 8x7B, a new sparse mixture of experts model (SMoE) that promises faster and more efficient performance compared to existing models. Mixtral 8x7B boasts a range of capabilities, including handling a context of 32k tokens and support for multiple languages. It outperforms Llama 2 70B and matches GPT3.5 in most benchmarks, showing improvements in reducing hallucinations and biases. Mistral AI offers early access to the model through its platform, and users can try Mixtral-8x7B through various demos to compare its performance with other open-source models and OpenAI's GPT-4.

via Search Engine Journal|

#ai-models #ai-technology #mistral-ai

technology2 years ago•7 min saved

The Impact of Generative AI on Startups, Sustainability, and the Hybrid Workforce

Generative AI refers to machine-learning models that are trained to create new data rather than making predictions based on existing data. These models have become more complex and powerful over the years, thanks to advancements in deep-learning architectures and larger datasets. Generative AI has a wide range of applications, from creating synthetic image data for training computer vision models to designing novel protein structures. However, there are concerns about worker displacement, biases in training data, and potential copyright issues. Despite these challenges, generative AI has the potential to empower artists and change the economics in various disciplines. It could also be used in fabrication and the development of more generally intelligent AI agents.

via MIT News|

#applications #deep-learning #generative-ai