Abstract: An extension of E.F. Codd's relational algebra (1970) with an alpha ( alpha ) operator is presented that allows a large class of natural and useful recursive queries to be expressed, and yet ...

A trademark can provide essential protection against rival competitors stealing your brand identity or reputation without paying compensation. Trademark infringement frequently occurs in the business ...

The Harvard Math Department will pilot a new introductory course aimed at rectifying a lack of foundational algebra skills among students, according to Harvard’s Director of Introductory Math Brendan ...

A tug of war in San Francisco over whether to teach algebra in eighth or ninth grade gets at wider national questions about serving all students fairly. By Soumya Karlamangla How to make algebra ...

Bullying is a form of aggressive, potentially violent behavior. Bullying can occur at school, online, in the workplace, or at home. It can also be grounded in prejudice. Bullying is an aggressive ...

In the field of structured data computing, SQL is still the most widely used working language, not only adopted by all relational databases, but also targeted by many new big data platforms. For a ...

As a trauma therapist and someone from a relational trauma background, here are 16 things I wish I had known 16 years ago when I was beginning my relational trauma recovery journey. You’re not broken.

“That sounds utterly selfish and self-centered,” wrote a reader of my blog, How to Support Someone Who's Chosen Family Estrangement. “I do question your final paragraph in which you state that even if ...

It’s time for algebra to consistently be seen and experienced as more than a meandering stream of abstract variables and procedures Algebra can be breathtaking. Yet most people don’t encounter it this ...