#relational theory

[a-journey-of-a-thousand]

Relational Algebra

I am learning about how SQL is based on mathematical theory called relational algebra. It's a set of ideas, or a standard of what a good relational database design should be. it's quite formal and seems to draw mainly from set theory, but I also don't think it gets very mathematically abstract, and I don't want the following to give the impression that there's more abstraction going on than there really is in relational theory, but-- One thing I am excited about is this:

A join is the product of matrix multiplication

I've never seen matricies actually being used! It's absolutely incredible how there is a very real and tangible theory behind something to ubiquitous and practical as database design.

[sara-lindsay]

Bourriaud

relational theory – which shift the creation of meaning from the author/designer to be shared with the audience/user.  

[knowem]

2 Futures Can Explain Time's Mysterious Past - Scientific American

New theories suggest the big bang was not the beginning, and that we may live in the past of a parallel universe "If it holds true for our actual universe, then the big bang could no longer be considered a cosmic beginning but rather only a phase in an effectively timeless and eternal universe." Read More: http://pbl.sh/6c

[occupypsychiatry]

Journée: Journal  (http://bit.ly/1lzI4bP) "As I read over the early years now, I see that the process of journaling itself implies a hope that the metabolizing of experience will lead to insight and, thus, to change and progression. Furthermore, the writing itself facilitates a selective taking in – or identification, as some analysts would say – of positive influences..." http://www.psychologytomorrowmagazine.com/a-psychoanalysts-diary-a-theater-of-objects/ James Carnelia | Issue 01 - Essay: "A Psychoanalyst’s Journal: A Theater of Objects" | http://bit.ly/1lzHPh1

[aid-to-inmate-mothers]

Evaluation of the House of Healing: An Alternative to Female Incarceration

Journal of Sociology & Social Welfare, March 2010, Volume XXXVII, Number 1