Astronomers find evidence for three subpopulations of merging black holes

Astronomers analyzing gravitational-wave data from the LIGO-Virgo-KAGRA Collaboration have reported that merging binary black ...
IEEE

Dynamic ReLab: A Binary Path-Based Labeling Scheme for Dynamic XML Data

Abstract: Dynamic updates in XML data present significant challenges for maintaining efficient query performance, particularly in large-scale and dynamic environments. Existing labeling schemes, such ...
International Monetary Fund

Alternative Data and Monetary Policy

In the spring of 2020, the Federal Reserve faced a challenge: The COVID-19 pandemic was upending daily life with shutdowns, social distancing, and heightened uncertainty, but the traditional economic ...
IEEE

Minimax Optimal Rates With Heavily Imbalanced Binary Data

Abstract: In a wide range of binary prediction and estimation tasks, the data set exhibits a high degree of imbalance between the sample sizes of the two classes, which greatly hinders the performance ...