Re: [TinkerPop] Idea for Tutorial: Centralities

[rjurney <ru...@gmail.com>]

What is needed is an O'Reilly book titled 'Learning Gremlin.' That would 
totally address the documentation problem. 

The Getting Started tutorial is very helpful, but only gets you so far 
(I've worked through it). What is needed are... lets say you pick 10 or 20 
complex queries that do a good job of demonstrating what is possible with 
gremlin. Common problems people need solved. And then walk the user 
stepwise through how to compose and compute those metrics step-by-step, 
learning a new technique each step, until the complex query to achieve the 
task is completed. This would constitute the book I mention.

This would dramatically increase the adoption of Tinkerpop. Right now it 
feels like less than ten people can actually use Gremlin to its full 
potential, and you dole out little bits of insight into its workings on the 
mailing list. The rest of us are not able to achieve general fluency in 
Gremlin, even after a long time trying. I wish Datastax would commission 
Learning Gremlin (or Learning Tinkerpop) with O'Reilly.

On Monday, November 30, 2015 at 11:10:48 AM UTC-8, Marko A. Rodriguez wrote:
>
> Hi Russell,
>
> Over the years, we have really failed on the tutorial front. Fortunately, 
> with TinkerPop 3.1.0, Stephen released a much needed "Getting Started" 
> tutorial.
>
> http://tinkerpop.apache.org/docs/3.1.0-incubating/tutorials-getting-started.html
> Moreover, Stephen and Daniel Kuppitz have positioned us nicely for others 
> to easily write and publish tutorials. With that, I think I will do the 
> following tutorials:
>
> https://issues.apache.org/jira/browse/TINKERPOP3-1007
> https://issues.apache.org/jira/browse/TINKERPOP3-1008
>
> Russell (others), please feel free to comment on these with specific 
> desires and directions…
>
> Thanks,
> Marko.
>
> http://markorodriguez.com
>
> On Nov 24, 2015, at 4:23 PM, Russell Jurney <russell...@gmail.com 
> <javascript:>> wrote:
>
> I really wish there was more intermediate documentation for Gremlin. Marko 
> suggested I share some ideas for tutorials, so here goes:
>
> * Centralities: starting with eigenvector centrality (which is a 
> one-liner), proceed to also calculate closeness and betweenness 
> centralities, as well as pagerank. If it helps illustrate principles of 
> crafting graph walks, add other types of centrality. This will give users 
> practice in implementing algorithms.
>
> What is needed is help learning to code in graph traversals, so using any 
> example that can teach people the breadth of operators available and how to 
> use them is going to help.
>
> -- 
> Russell Jurney twitter.com/rjurney russell...@gmail.com <javascript:> 
> relato.io
>
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