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Maltego CE - Interactive data mining tool that renders directed graphs for link analysis
An interactive data mining tool that renders directed graphs for link analysis. The tool is used in online investigations for finding relationships between pieces of information from various sources located on the Internet.

Maltego uses the idea of transforms to automate the process of querying different data sources. This information is then displayed on a node based graph suited for performing link analysis.
web  data-mining  visualization  graphs  networking 
2 days ago by liqweed
What are the Laws of Biology?
The core finding of systems biology is that only a very small subset of possible network motifs is actually used and that these motifs recur in all kinds of different systems, from transcriptional to biochemical to neural networks. This is because only those arrangements of interactions effectively perform some useful operation, which underlies some necessary function at a cellular or organismal level. There are different arrangements for input summation, input comparison, integration over time, high-pass or low-pass filtering, negative auto-regulation, coincidence detection, periodic oscillation, bistability, rapid onset response, rapid offset response, turning a graded signal into a sharp pulse or boundary, and so on, and so on.

These are all familiar concepts and designs in engineering and computing, with well-known properties. In living organisms there is one other general property that the designs must satisfy: robustness. They have to work with noisy components, at a scale that’s highly susceptible to thermal noise and environmental perturbations. Of the subset of designs that perform some operation, only a much smaller subset will do it robustly enough to be useful in a living organism. That is, they can still perform their particular functions in the face of noisy or fluctuating inputs or variation in the number of components constituting the elements of the network itself.
scitariat  reflection  proposal  ideas  thinking  conceptual-vocab  lens  bio  complex-systems  selection  evolution  flux-stasis  network-structure  structure  composition-decomposition  IEEE  robust  signal-noise  perturbation  interdisciplinary  graphs  circuits  🌞  big-picture  hi-order-bits  nibble  synthesis 
4 days ago by nhaliday
Remove the legend to become one • Remains of the Day
Eugene Wei with an elegaic post on his time at the early days of Amazon, where he was in charge of the Analytics Package - which sounds a bit like Chandler's non-job in Friends, except that the company (and Jeff Bezos) relied on the monthly 100-page printed set of charts explaining how the business was faring:
<p>I rarely use copy machines these days, but that year of my life I used them more than I will all the days that came before and all the days still to come, and so I can say with some confidence that they are among the least reliable machines ever made by mankind.

It was a game, one whose only goal was to minimize pain. A hundred copies of a hundred page document. The machine will break down at some point. A sheet will jam somewhere. The ink cartridge will go dry. How many collated copies do you risk printing at once? Too few and you have to go through the setup process again. Too many and you risk a mid-job error, which then might cascade into a series of ever more complex tasks, like trying to collate just the pages still remaining and then merging them with the pages that were already completed…

…One of the only times I cried at work was late one night, a short time after my mom had passed away from cancer, my left leg in a cast from an ACL/MCL rupture, when I could not understand why my workbooks weren't checking out, and I lost the will, for a moment, to wrestle it and the universe into submission. This wasn't a circular reference, which I knew could be fixed once I pursued it to the ends of the earth, or at least the bounds of the workbook. No, this inherent fragility in linked workbooks in Excel 97 was a random flaw in a godless program, and I felt I was likely the person in the entire universe most fated to suffer its arbitrary punishment.

I wanted to leave the office, but I was too tired to go far on my crutches. No one was around the that section of the office at at that hour. I turned off the computer, turned out the lights, put my head down on my desk for a while until the moment passed. Then I booted the PC back up, opened the two workbooks, and looked at the two cells in question. They still differed. I pressed F9. They matched. 

Most months, after I had finished collating all the copies of the Analytics Package, clipping each with a small, then later medium, and finally a large binder clip, I'd deliver most copies by hand, dropping them on each recipient's empty desk late at night. It was a welcome break to get up from my desk and stroll through the offices, maybe stop to chat with whoever was burning the midnight oil. I felt like a paper boy on his route, and often we'd be up at the same hour.</p>

That's only the prelude to his wonderful demonstration of how to make better graphs.
programming  excel  graphs  amazon 
6 days ago by charlesarthur
How to Create Charts, Reports, and Infographics with Infogram - YouTube
This getting started guide shows how Infogram can help you create beautiful charts (pie chart, line chart, word cloud, bar chart, etc), infographics, and maps.
infographics  infogram  tool  charts  graphs 
7 days ago by fjordaan
Homebrew: List only installed top level formulas - Stack Overflow
Use brew leaves: show installed formulae that are not dependencies of another installed formula.
q-n-a  stackex  howto  yak-shaving  programming  osx  terminal  network-structure  graphs  trivia  tip-of-tongue  workflow 
10 days ago by nhaliday

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