Summary

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Details

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Title

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1		-2 Programming Interface Application (API)
	1	+2 Application Programming Interface (API)

Author

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1		-XWiki.oschmid
	1	+XWiki.maaike

Content

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2	2
3	3	The EBRAINS Knowledge Graph provides convenient tools and APIs for the implementation of queries into your scripts.
4	4
5		-=== Request permission ===
6		-
7	7	To be able to access the Knowledge Graph (KG) programmatically, you only require an EBRAINS account. Register for an account here: [[https:~~/~~/ebrains.eu/register/>>https://ebrains.eu/register/]] and log in.
8	8
9	9	=== Writing Knowledge Graph queries ===
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63	63	(% class="wikigeneratedid" id="HSelectspecies" %)
64	64	**Select species**
65	65
66		-Similarly, we can refine our query for mice only.
	64	+We can also refine our query to only include dataset versions that use mice (mus musculus) in a similar way as the faceted filters in the Search UI.
67	67
68	68	[[image:QBstep3.png||alt="Step 3: Select species" height="543" width="700"]]
69	69
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72	72	**Access detailed metadata**
73	73
74	74	(% class="wikigeneratedid" id="H" %)
75		-Following
	73	+The Knowledge Graph Search UI has visualised the basic metadata. In many cases, more metadata is stored in the KG than is readily accessible via the Search UI and we can use this to our advantage when refining our query.
76	76
	75	+(% class="wikigeneratedid" %)
	76	+For example, we can filter datasets with data from male subjects by making this a required feature in the query.
	77	+
77	77	==== [[image:QB4.png||alt="Step 4: Access detailed metadata" height="432" width="700"]] ====
78	78
79	79	==== ====