What do a ballistic missile defence system, a new Wholesale Price Index series, and ‘brain-eating amoeba’ have in common? More than just headlines, they involve concepts that UPSC tests. Here's all ...

Abstract: As a pivotal variant of multi-label classification, hierarchical text classification (HTC) faces unique challenges due to its intricate taxonomic hierarchy. Recent state-of-the-art ...

Singapore-based AI startup Sapient Intelligence has developed a new AI architecture that can match, and in some cases vastly outperform, large language models (LLMs) on complex reasoning tasks, all ...

A new AI model, H-CAST, groups fine details into object-level concepts as attention moves from lower to high layers, outputting a classification tree—such as bird, eagle, bald eagle—rather than ...

Abstract: Hierarchical feature selection is considered an effective technique to reduce the dimensionality of data with complex hierarchical label structures. Incorrect labels are a common and ...

Forbes contributors publish independent expert analyses and insights. Leadership Strategist Dan Pontefract covers leadership and culture. For over a century, organizations have relied on hierarchy. It ...

As a core general compulsory course for engineering majors, the teaching quality of Advanced Mathematics is directly related to the cultivation of students’ professional literacy and innovation ...

1 Doctoral School, University Iba Der THIAM of Thies, Thies, Senegal. 2 University Iba Der THIAM of Thies, Thies, Senegal. 3 Iba Der THIAM University, Thies, Senegal. Based on the perception of flood ...

An earlier hierarchy of controls had engineering controls as the top-level control. Of course, now most hierarchy of controls, including the one used by OSHA, include elimination and substitution as ...

I'm working in a hierarchical multi class problem, and if I flat the labels (flat approach) I have about 1193 classes, which perhaps can already be consider a extreme multi classification problem.