Positive Economics History, Theory, Pros and Cons, and Example

Positive economics is a fact-based analysis of what is occurring in an economy, without making prescriptions of what should or should not be happening.

Meekness isn’t weakness – once considered positive, it’s one of the ‘undersung virtues’ that deserve defense today

The word ‘meekness’ might seem old-fashioned – and not a positive trait. But understanding its original meaning can identify ...
Harvard Graduate School of EducationOpinion

How to Disagree Better: Strategies for Constructive Conversations

The problem isn’t only avoidance. Many conversations fail because participants focus on persuasion, treating arguments like ...
IEEE

Weighted Contrastive Learning With Hard Negative Mining for Positive and Unlabeled Learning

Abstract: Positive and unlabeled (PU) learning aims to train a suitable classifier simply based on a set of positive data and unlabeled data. The state-of-the-art methods usually formulate PU learning ...
BBC

The English We Speak

If you ask someone to do something difficult, it's a big ask. Learn how to use this expression with Feifei and Phil. Hello and welcome to The English We Speak, where we explain phrases and expressions ...
BBC

What have you been up to?

To play this video you need to enable JavaScript. Why has Phil been doing lots of washing this week? Neil and Beth tell us what they've been up to recently, and our grammar guru Georgie teaches us ...
IEEE

PU-KBS: A Robust Positive and Unlabeled Learning Framework With Key Band Selection for One-Class Hyperspectral Image Classification

Abstract: Positive and unlabeled (PU) learning is aimed at building a binary classifier to distinguish the target from the background using only the known positive samples, which is an advanced ...