Last modified by maaike on 2022/07/05 20:42
From version 21.2
edited by maaike
on 2022/06/23 12:29
Change comment: There is no comment for this version
To version 19.2
edited by maaike
on 2022/06/23 11:24
Change comment: There is no comment for this version

Summary

Details

Page properties
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65 65  
66 66  === Request permission ===
67 67  
68 -To be able to access the Knowledge Graph (KG) programmatically, you require:
68 +To be able to access the Knowledge Graph programmatically, you require:
69 69  
70 -1. An EBRAINS account. Register for an account here: [[https:~~/~~/ebrains.eu/register/>>https://ebrains.eu/register/]]
71 -1. Register and request credentials for your KG client by emailing support@ebrains.eu
70 +An EBRAINS account. Register for an account here: [[https:~~/~~/ebrains.eu/register/>>https://ebrains.eu/register/]]
72 72  
73 -=== Query Builder ===
74 74  
75 -The query builder allows you to make, save, and reuse complex queries without any knowledge of graph query languages.
76 -
77 -Go to the Query Builder: [[https:~~/~~/query.kg.ebrains.eu>>https://query.kg.ebrains.eu/#state=6a41dd5b-3cf9-4263-8a65-83d41f27677a&session_state=638c33f5-4551-4d70-8b1d-a5c900aa62d0&code=300f25d8-caac-4576-9a21-195ccc93fd31.638c33f5-4551-4d70-8b1d-a5c900aa62d0.4214dba9-b6d0-4331-9837-3e75a10cda14]]
78 -
79 -==== Select a category ====
80 -
81 -A query for the Knowledge Graph is always executed against a specific data structure (e.g. a "Dataset version"). First select the data structure for your query.
82 -
83 -[[image:QB1.png||alt="Step 1: Select a category" height="520" width="700"]]
84 -
85 -
86 -==== Select a modality/experimental approach ====
87 -
88 -Similar to the facetted filters in the Knowledge Graph Search UI, we can refine our query by defining the experimental approach of our interest, for example electrophysiology.
89 -
90 -To ensure that all dataset versions with electrophysiology are queried, and none of the dataset versions without electrophysiology, we make this property required and we apply a filter to the label we are searching for (i.e. electrophysiology).
91 -
92 -[[image:QBstep2.png||alt="Step 2: Select modality" height="541" width="700"]]
93 -
94 94  = Who has access? =
95 95  
96 96  Describe the audience of this collab.
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