Cost-Sensitive Unbiased Risk Estimation for Multi-Class Positive-Unlabeled Learning

arXiv — cs.LGThursday, October 30, 2025 at 4:00:00 AM
A new study on positive-unlabeled (PU) learning has been released, focusing on the challenges of multi-class scenarios where only positive and unlabeled data are available. This research is significant because it addresses the common issue in real-world applications where obtaining reliable negative data is often difficult or expensive. The findings aim to improve unbiased risk estimation in PU learning, which is crucial for enhancing performance in various machine learning tasks.
— Curated by the World Pulse Now AI Editorial System

Was this article worth reading? Share it

Recommended Readings
This power bank doubles as a hotspot, and single-handedly changed how I travel
PositiveArtificial Intelligence
This innovative power bank not only provides a hefty 20,000mAh of battery life but also includes a 4G Mi-Fi hotspot, offering 1GB of data each month for the first year. This dual functionality is a game changer for travelers, allowing them to stay connected without the hassle of finding Wi-Fi or worrying about battery life. It's a must-have for anyone looking to enhance their travel experience.
Inside Common Crawl: The Dataset Behind AI Models (and Its Real World Limits)
NeutralArtificial Intelligence
Common Crawl is a crucial dataset that powers many AI models by providing a vast amount of web data. This article delves into how Common Crawl operates, its significance in the AI landscape, and when it might be more beneficial to use this resource rather than developing a custom web scraper. Understanding this can help developers make informed decisions about data sourcing for their AI projects.
How to integrate AI models into production systems?
PositiveArtificial Intelligence
Integrating AI models into production systems is crucial for businesses looking to leverage data effectively. It goes beyond just deploying a model; it requires a well-thought-out approach that includes defining clear objectives and ensuring the system is scalable and secure. This process not only helps in adapting to new data but also aligns with evolving business needs, making it a vital step for companies aiming to stay competitive in a data-driven world.
Cross-Lingual Summarization as a Black-Box Watermark Removal Attack
NeutralArtificial Intelligence
A recent study introduces cross-lingual summarization attacks as a method to remove watermarks from AI-generated text. This technique involves translating the text into a pivot language, summarizing it, and potentially back-translating it. While watermarking is a useful tool for identifying AI-generated content, the study highlights that existing methods can be compromised, leading to concerns about text quality and detection. Understanding these vulnerabilities is crucial as AI-generated content becomes more prevalent.
RiddleBench: A New Generative Reasoning Benchmark for LLMs
PositiveArtificial Intelligence
RiddleBench is an exciting new benchmark designed to evaluate the generative reasoning capabilities of large language models (LLMs). While LLMs have excelled in traditional reasoning tests, RiddleBench aims to fill the gap by assessing more complex reasoning skills that mimic human intelligence. This is important because it encourages the development of AI that can think more flexibly and integrate various forms of reasoning, which could lead to more advanced applications in technology and everyday life.
Gaperon: A Peppered English-French Generative Language Model Suite
PositiveArtificial Intelligence
Gaperon has just been launched, marking a significant step forward in the world of language models. This open suite of French-English coding models aims to enhance transparency and reproducibility in large-scale model training. With models ranging from 1.5B to 24B parameters, trained on trillions of tokens, Gaperon not only provides robust tools for developers but also sets a new standard for quality in language processing. This initiative is crucial as it democratizes access to advanced AI technologies, fostering innovation and collaboration in the field.
PANORAMA: A Dataset and Benchmarks Capturing Decision Trails and Rationales in Patent Examination
PositiveArtificial Intelligence
A new dataset and benchmarks have been introduced to enhance the understanding of decision trails and rationales in patent examination. This development is significant because it addresses the complexities involved in evaluating patent claims, which require nuanced human judgment. By improving the tools available for natural language processing in this field, researchers can better predict outcomes and refine the examination process, ultimately benefiting innovation and intellectual property management.
SciReasoner: Laying the Scientific Reasoning Ground Across Disciplines
PositiveArtificial Intelligence
The introduction of SciReasoner marks a significant advancement in scientific reasoning by integrating natural language with diverse scientific representations. This model, trained on an extensive 206 billion-token dataset, enhances our ability to process and understand complex scientific information. Its innovative approach, which includes reinforcement learning and task-specific reward shaping, promises to improve how researchers and students engage with scientific texts, making it a valuable tool across various disciplines.
Latest from Artificial Intelligence
The<strong> </strong>Risky<strong> </strong>Movement to Make America Nuclear Again
NegativeArtificial Intelligence
A Silicon Valley startup named Oklo is pushing to revive nuclear power in the US through the development of small reactors. While this initiative has the backing of wealthy investors and influential political figures, there are concerns that such connections could compromise nuclear safety. This movement is significant as it highlights the ongoing debate about energy sources and safety regulations in the face of climate change.
Q&A with Logitech CEO Hanneke Faber on software-enabled hardware, prioritizing design, launching about 40 new products each year, AI, tariffs, and more (Harry McCracken/Fast Company)
PositiveArtificial Intelligence
In a recent interview, Logitech CEO Hanneke Faber shared insights on the company's innovative approach to software-enabled hardware and its commitment to design excellence. With plans to launch around 40 new products each year, Logitech is not just keeping pace with technology but is also prioritizing user experience. Faber discussed the impact of AI on their products and how tariffs are shaping their business strategy. This matters because it highlights Logitech's proactive stance in a competitive market, ensuring they remain a leader in tech innovation.
Confluent Introduces New Platform to Bring Real-Time Context to AI
PositiveArtificial Intelligence
Confluent has launched an innovative platform designed to enhance AI capabilities by providing real-time context. This development is significant as it allows businesses to leverage timely data, improving decision-making and operational efficiency. By integrating real-time insights into AI systems, Confluent is positioning itself at the forefront of technology that can transform industries, making it easier for organizations to respond to changing conditions and customer needs.
OpenAI's next big project might be Wall Street and a $1 trillion IPO
PositiveArtificial Intelligence
OpenAI is gearing up for a potential initial public offering (IPO) that could be one of the largest in history, with internal discussions suggesting a valuation of around $1 trillion. This move is significant as it not only highlights the growing confidence in AI technologies but also positions OpenAI at the forefront of the tech industry, potentially attracting substantial investment and further innovation in artificial intelligence.
I finally found the digital streaming amp that'll please true audiophiles
PositiveArtificial Intelligence
If you're an audiophile looking to enhance your music streaming experience, the WiiM digital streaming amp might be just what you need. This device promises superior audio quality compared to standard Bluetooth speakers, making it a great investment for those who truly appreciate sound. It's exciting to see technology catering to the needs of serious music lovers.
🔥 .𝗡𝗘𝗧 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸 𝘃𝘀 .𝗡𝗘𝗧 𝗖𝗼𝗿𝗲 — 𝗞𝗲𝘆 𝗗𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝗰𝗲𝘀 𝗘𝘅𝗽𝗹𝗮𝗶𝗻𝗲𝗱
PositiveArtificial Intelligence
Understanding the differences between .NET Framework and .NET Core is crucial for developers, especially those preparing for interviews. .NET Framework is limited to Windows, while .NET Core offers cross-platform support, making it more versatile. Additionally, .NET Core provides superior performance and scalability, which is essential for modern cloud applications and microservices. This knowledge not only enhances a developer's skill set but also aligns with industry trends, making it a valuable topic for anyone in the tech field.