Abstract: With the rise of wearable sensors and smart devices, human activity recognition (HAR) has become a vital research area in ubiquitous computing. Although many studies report high accuracy ...

ABSTRACT: Bipolar disorder (BD) is characterized by recurrent transitions between manic, depressive, and euthymic states, yet continuous symptom monitoring remains a major clinical challenge. We ...

To better understand which social media platforms Americans use, Pew Research Center surveyed 5,022 U.S. adults from Feb. 5 to June 18, 2025. SSRS conducted this National Public Opinion Reference ...

Learn how to choose the right cross-validation method for your machine learning projects. Compare techniques like k-fold, stratified, and leave-one-out cross-validation, and understand when to use ...

Gathering and analyzing data is essential for validating and refining your business model. Important KPIs to monitor might include user acquisition cost, lifetime value of a customer, churn rate, ...

Chatbots want to be your friend, when what you really need is a neutral perspective. By Simar Bajaj Emily Willrich, 23, and her roommate had found the perfect apartment: spacious, reasonably priced ...

There is often a disconnect between the intended functionality of an artificial intelligence model and its actual functionality once it's integrated into healthcare workflows. Epic has developed an ...

Either way, let’s not be in denial about it. Credit...Illustration by Christoph Niemann Supported by By Kevin Roose and Casey Newton Kevin Roose and Casey Newton are the hosts of The Times’s “Hard ...

What if the next big startup idea isn’t born in a brainstorming session but crafted through a seamless blend of human intuition and AI precision? Imagine a world ...

Cybersecurity researchers are calling attention to a new type of credential phishing scheme that ensures that the stolen information is associated with valid online accounts. The technique has been ...