Roughly a year and a half ago I posted QuickGraph#8 on how to copy all or part of your graph between neo4j DBs by serialising it as RDF with Neosemantics. It concluded on a sad note though, something along these lines: “Relationship properties will be lost in this process because RDF does not allow the representation of properties in edges”. Well, now we have RDF-star and the problem is solved. This is a brief update to that post where I explain how to overcome that hurdle.
Continue reading “QuickGraph#8 revisited: LossLess graph copy between Neo4j DBs with RDF-star”Tag: Neosemantics
QuickGraph#15 Analysing the structured data embedded in web pages
You’ve probably heard that there are billions of pages on the web that embed structured data describing products, events, people, organisations… One of the most popular mechanisms for doing this is JSON-LD which is one of the many ways of serialising triples. Since you’re here, I’m sure you know that triples form graphs and that I like exploring graphy things…
In this QuickGraph I’ll have a look at the brand new White House pages and use Neo4j and neosemantics to analyse the structured data they embed.
Continue reading “QuickGraph#15 Analysing the structured data embedded in web pages”QuickGraph#14 Using RDF* with Neo4j
Neosemantics (n10s) has been supporting RDF* for a few months now (from release 4.1.0, Sep 2020). Around the time of the release we did a live coding session going over some of the new features, one of which was RDF*. I thought I’d put a couple of examples in a quick graph similar to the ones in the video session to make it easier for people to find and give it a try. This is what you’re reading right now.
Continue reading “QuickGraph#14 Using RDF* with Neo4j”QuickGraph#13 Using a SKOS taxonomy for semantic search on a document repository
The TESEO database is an online repository containing the details of all PhD thesis from Spanish universities. It offers an html/form based search interface where you can look up theses by author, topic, university, etc. As a UI it is rather painful to use and quite limited, I must say, but that’s another story. While we wait for an open data version of this public content we have to find workarounds to query and analyse it. This is what this QuickGraph is about.
Continue reading “QuickGraph#13 Using a SKOS taxonomy for semantic search on a document repository”
Jesús Barrasa 