gerbrand

Spreading activation in Neo4j

Introduction

How does the human brain work? How do thoughts pop up in our conscience? Just thinking about the question is confusion enough. Maybe our brain works as a semantic network as explained by Carole Yue at Kahn Academy.
Try for yourself: think of a bird? You probably think a sparrow, duck. Think of an extinct animal? Now you might think of the dodo, mammoth or dinosaur. Animal living on the south pole: a penguin? Or polar bear?

Facts, ideas, memories in our brain are interconnected. They’re not structured into tables like in relational databases or hierarchical in directories on a harddrive: if I’d ask you to name all the birds you know, you won’t give me a long list immediately. A better model of human m

iamaziz

from gensim.models import Word2Vec

# read the evaluation file, get it at:
# https://word2vec.googlecode.com/svn/trunk/questions-words.txt
>>> questions = 'questions-words.txt'
>>> evals = open(questions, 'r').readlines()
>>> num_sections = len([l for l in evals if l.startswith(':')])
>>> print('total evaluation sentences: {} '.format(len(evals) - num_sections))
total evaluation sentences: 19544

thomasdarimont

How to do binary diffs with Java jars

This is a simple example how to generate and apply a binary patch to a jar file. In the hope that some tooling vendor or gradle / maven / repository backend guru might pick this up to unban us from too long dependency download times :)

Download test jars

For testing we download two versions of the commonly used google-guava library.

$ wget http://central.maven.org/maven2/com/google/guava/guava/18.0/guava-18.0.jar

jvilledieu

Reshipping scam detection.adoc

This interactive Neo4j graph tutorial shows how ecommerce websites can use their data to identify reshipping scams.

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ijy

Sublime Text 3 Setup

Install Package Control

Install Package Control for easy package management.

1. Open the console with Ctrl+`
2. Paste in the following:

tommorris

#!/usr/bin/python
# a twitfave json-to-rdf converter
# twitfave.com provides really awesome data as JSON
# this turns it into RDF/XML. the plan is that I will
# put that data into a giant triple store for you to
# enjoy.
# 
# you'll need to install rdflib and cjson and grep the
# file for /Users to customise the paths. basically,
# you need to have an RDF file to use as filesystem