List/Grid Tag Archives: Neo4j

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Integrate apps with Neo4j using Zapier

Recently, I was directed to Zapier to get some lightweight integration done between systems for a quick proof of concept. Initially skeptical, I found that it really could save time ...
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Neo4j: LOAD CSV – Processing hidden arrays in your CSV documents

I was recently asked how to process an ‘array’ of values inside a column in a CSV file using Neo4j’s LOAD CSV tool and although I initially thought this wouldn’t be possible ...
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On Graph Computing

The concept of a graph has been around since the dawn of mechanical computing and for many decades prior in the domain of pure mathematics. Due in large part to this golden age of databases, ...
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Knowledge Representation and Reasoning with Graph Databases

A graph database and its ecosystem of technologies can yield elegant, efficient solutions to problems in knowledge representation and reasoning. To get a taste of this argument, we ...
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Neo4j 2.1: Passing around node ids vs UNWIND

When Neo4j 2.1 is released we’ll have the UNWIND clause which makes working with collections of things easier. In my blog post about creating adjacency matrices we wanted to show ...
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Neo4j Backup: Store copy and consistency check at Mark Needham

One of the lesser known things about the Neo4j online backup tool, which I wrote about last week, is that conceptually there are two parts to it:Copying the store files to a location ...
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Java: Schedule a job to run on a time interval

Recently I’ve spent some time building a set of tests around rolling upgrades between Neo4j versions and as part of that I wanted to log the state of the cluster as the upgrade was ...
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Neo4j: Making implicit relationships explicit & bidirectional relationships

I recently read Michal Bachman’s post about bidirectional relationships in Neo4j in which he suggests that for some relationship types we’re not that interested in the relationship’s ...
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Neo4j: Exploring new data sets with help from Neo4j browser

One of the things that I’ve found difficult when looking at a new Neo4j database is working out the structure of the data it contains. I’m used to relational databases where you ...
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neo4j/cypher: Getting the hang of query parameters

For as long as I’ve been using neo4j‘s cypher query language Michael has been telling me to use parameters in my queries but the performance of the queries was always acceptable ...
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