Abstract: Graphs are naturally used to describe the structures of various real-world systems in biology, society, computer science etc., where subgraphs or motifs as basic blocks play an important ...

WASHINGTON — An environmental watchdog group claims that federal regulators used improper testing methods that may have downplayed the presence of toxic chemicals following the EPA’s response to the ...

Mary Hall is a editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State University with ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Dividends by the Numbers series tracked the US stock market's dividend metadata, which provided a simple, near real-time method of measuring the relative health of the US economy. We've opted to focus ...

Background: In this paper, the basic elements related to the selection of participants for a health research are discussed. Sample representativeness, sample frame, types of sampling, as well as the ...

This paper outlines the design features, data collection methods and analytic strategies of the International Tobacco Control (ITC) Four Country Survey, a prospective study of more than 2000 ...

Abstract: Computer clusters with the shared-nothing architecture are the major computing platforms for big data processing and analysis. In cluster computing, data partitioning and sampling are two ...

This work presents a generalized approach for analytical method optimization that branches the gap between techniques historically employed and accurate modern optimization techniques suitable for ...

The national total grain production combined the total production of summer grains, early rice, and autumn grains production in 31 provinces (autonomous regions and municipalities). 1. Survey Methods ...