mrjn

34 ms·

331.
by mrjn 11y ago
We've examples of some pretty deep Graph queries (8 levels), for e.g. the last query here: https://github.com/dgraph-io/dgraph/wiki/Test-Queries Finding the shortest route between A and B is on the roadm
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by mrjn 11y ago
1. I wouldn't term anything up until 1.0 as production ready. 2. API doc? Basically, there's only one endpoint, called /query. All the queries just go through that. There's a wiki page with some test queries to get you s
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by mrjn 11y ago
The problem with automatically generating reverse edges is that it causes data explosions and duplications -- for e.g., if you're adding facts like X -- IS_A --> Human; then automatically generating the reverse would cause a Human -
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by mrjn 11y ago
hmm.. we have the CORS allowed, so this shouldn't be the issue. It's possibly the cloudflare captcha issue.
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by mrjn 11y ago
We don't yet have intersection, which is what you're looking for. But, it's in the roadmap, and as I mentioned, the design is built around efficient intersections (all posting lists are sorted lists of uint64s). So, DGraph su
336.
by mrjn 11y ago
The data gets sharded, and can be served by different servers; all talking to each other to respond to queries. This is how v0.2 works, which is what the demo is running right now. A typical RDF data is (subject, predicate, object). We shar
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by mrjn 11y ago
Also see: https://github.com/dgraph-io/dgraph/wiki/Differences-between...
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by mrjn 11y ago
Yes, here's the roadmap: https://github.com/dgraph-io/dgraph/issues/1 We do filter by predicates, and have plans to do sort and limit, including count. DGraph is designed to accommodate all these use cas
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by mrjn 11y ago
Both Cayley and TitanDB aren't native graph databases. In fact, Cayley supports many storage engines, including MongoDB etc. This is because both are graph layers, and the data maintenance is done via the real database underneath. This
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by mrjn 11y ago
Graph DBs are great for intersection queries (AND queries). In fact, DGraph is designed to do those really fast; and supporting that via GraphQL is in our roadmap. https://github.com/dgraph-io/dgraph/issues/1
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Go library to simplify CRUD of structured data using Graph operations(github.com)
1 points by mrjn 11y ago|0 comments