Abstract: In Data Science, data modeling (including relational databases and big data) has traditionally used Entity-Relationship (ER) diagrams to represent structural characteristics of data. However ...

Natural hydrogen from deep underground could be an important building block for the sustainable energy system of the future, ...

Learn how data moves through systems, supports business processes, and powers insights. Data flow refers to how data moves through a system, including its sources, transformations, and destinations. A ...

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Khadija Khartit is a strategy, investment, and funding expert, and ...

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 ...

Ground source heat pumps (GSHPs) harness heat stored underground to provide your home with space heating and hot water. They perform the same role as a gas, oil or LPG boiler in a central heating ...