3 ms·

Only tangentially related but: this kind of map is really a good use case for Wikidata and its query service, I think. For instance here's how to get something

by a3_nm 7y ago

Only tangentially related but: this kind of map is really a good use case for Wikidata and its query service, I think. For instance here's how to get something similar: https://w.wiki/4wz https://w.wiki/4wz Drawbacks: not all reactors are known and not all the data is currently here. Advantages: took me 2 minutes to write, and the underlying data can be edited by anyone to keep it up to date.

petepete 7y ago
How did I not know about this until now?! What a useful tool!
epistasis 7y ago
Nice to see SPARQL getting used in the wild for real purposes! I want to do this too, and have lots of questions. How do you look up relationship terms like "wdt:P31/wdt:P279* wd:Q134447"? Is there a graph or entity viewer somewhere that allows discovery based on browsing a particular entity's tuples? Edit: In addition to Squad_Tamer's tip below, the things I've found: 1) removing the #defaultView:map comment results in a table 2) adding the `?x` back to the select will result in links to the full entity page, including all statements associated with the entity nicely organized. 3) The SERVICE statement was entirely new to me, but points to how difficult it is to do knowledge summary (I.e. wtf should I call this entity? let's write a service for that.)
- Squid_Tamer 7y ago
  I figured out that if you click the "info" icon at the top-left of the screen, it'll bring up a little GUI editor with dropdowns. Still not great for finding categories, but better than "wdt:P279"
- a3_nm 7y ago
  To find the relationships and entity IDs, you can type the prefix like "wdt:" or "wd:" then type something in English and hit Ctrl-Space. For instance, wd:nuclear<Ctrl-Space>. Alternatively you can search on wikidata.org. 1) Indeed, there are many other kinds of visualizations available as well (have a look at the examples) 3) the SERVICE is just an easy way to retrieve the name, which is stored in Wikidata, in a reasonable language. You can also access the name directly in SPARQL
ConfusedDog 7y ago
That is really nice. If the data is open, couldn't someone just migrate it over and use wiki data as the data source? I wonder if there's API support that can access data in JSON.

by a3_nm 7y ago

petepete 7y ago

How did I not know about this until now?! What a useful tool!

epistasis 7y ago

Nice to see SPARQL getting used in the wild for real purposes! I want to do this too, and have lots of questions. How do you look up relationship terms like "wdt:P31/wdt:P279* wd:Q134447"? Is there a graph or entity viewer somewhere that allows discovery based on browsing a particular entity's tuples? Edit: In addition to Squad_Tamer's tip below, the things I've found: 1) removing the #defaultView:map comment results in a table 2) adding the `?x` back to the select will result in links to the full entity page, including all statements associated with the entity nicely organized. 3) The SERVICE statement was entirely new to me, but points to how difficult it is to do knowledge summary (I.e. wtf should I call this entity? let's write a service for that.)

Squid_Tamer 7y ago
I figured out that if you click the "info" icon at the top-left of the screen, it'll bring up a little GUI editor with dropdowns. Still not great for finding categories, but better than "wdt:P279"
a3_nm 7y ago
To find the relationships and entity IDs, you can type the prefix like "wdt:" or "wd:" then type something in English and hit Ctrl-Space. For instance, wd:nuclear<Ctrl-Space>. Alternatively you can search on wikidata.org. 1) Indeed, there are many other kinds of visualizations available as well (have a look at the examples) 3) the SERVICE is just an easy way to retrieve the name, which is stored in Wikidata, in a reasonable language. You can also access the name directly in SPARQL

ConfusedDog 7y ago

That is really nice. If the data is open, couldn't someone just migrate it over and use wiki data as the data source? I wonder if there's API support that can access data in JSON.