In this paper, we test the random walk hypothesis for weekly stock market returns by comparing variance estimators derived from data sampled at different frequencies. The random walk model is strongly ...

Collecting can actually say a lot about a child’s development.

By Rosalba O'Brien NEW YORK, July 5 (Reuters) - Watching the World Cup and hearing the music in the stadium may have left you ...

Abstract: Influence maximization (IM) aims to select a seed set of users that maximizes the expected influence spread and is a fundamental problem in social network analysis. The dynamic and complex ...

Latest AI mystery is that there are 11 specific nouns used frequently by LLMs when creating short stories. Why those words?

Imagine this: a father wakes up early in the morning, gets his kid dressed, and walks him over to school. On the way to ...

A few weeks ago, I had little interest in Trump’s summer soccer party, especially after the president of Fifa awarded the ...

A huge Nebraska old-time museum makes history feel oversized, with vintage pieces and odd details that turn a quick stop into ...

Researchers are at a loss for why people across cultures and ages, regardless of their dominant hand, have a natural bias toward wandering in a counterclockwise direction. By Rachel Nuwer Iñaki ...

Walking for five minutes every hour is enough to offset the harms to health from sitting down, researchers say. A large study ...

Missy Elliott’s “Get Ur Freak On” reshaped Hip Hop with Timbaland’s bold production and a chant-ready hook. Revisit its ...

Abstract: To handle the data explosion in the era of Internet-of-things, it is of interest to investigate the decentralized network, with the aim at relaxing the burden at the central server along ...