Last modified by maaike on 2022/07/05 20:42
From version 23.3
edited by maaike
on 2022/06/23 14:06
Change comment: There is no comment for this version
To version 21.1
edited by maaike
on 2022/06/23 12:28
Change comment: Uploaded new attachment "QBstep2.png", version {1}

Summary

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40 40  
41 41  [[image:SearchStep1-3.png||alt="Steps 1-3: Refine search" height="398" width="700"]]
42 42  
43 -You can refine you search even further by using the free text search. Based on your search criteria, you get a number of hits. ([[https:~~/~~/search.kg.ebrains.eu/?facet_type[0]=Dataset&facet_Dataset_modalityForFilter[0]=electrophysiology&facet_Dataset_speciesFilter[0]=Mus%20musculus>>https://search.kg.ebrains.eu/?facet_type[0]=Dataset&facet_Dataset_modalityForFilter[0]=electrophysiology&facet_Dataset_speciesFilter[0]=Mus%20musculus]])
43 +You can refine you search even further by using the free text search. Based on your search criteria, you get a number of hits.
44 44  
45 45  ==== Select a dataset ====
46 46  
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50 50  
51 51  ==== Access detailed metadata ====
52 52  
53 -In the side panel, you can find an overview of the metadata that is available for this dataset ([[https:~~/~~/search.kg.ebrains.eu/instances/7866daf2-7064-4fa0-b6a2-0b1c899ba35f>>https://search.kg.ebrains.eu/instances/7866daf2-7064-4fa0-b6a2-0b1c899ba35f]]). For example:
53 +In the side panel, you can find an overview of the metadata that is available for this dataset. For example:
54 54  
55 55  1. The data descriptor is a pdf text file with detailed information about the dataset, including the methods, technical validation, usage notes and data organisation.
56 56  1. Detailed subject metadata can be found in a separate tab (see below).
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76 76  
77 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 78  
79 -
80 -==== Select a category ====
81 -
82 -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.
83 -
84 -[[image:QB1.png||alt="Step 1: Select a category" height="520" width="700"]]
85 -
86 -
87 -==== Select an experimental approach ====
88 -
89 -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.
90 -
91 -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).
92 -
93 -[[image:QBstep2.png||alt="Step 2: Select modality" height="541" width="700"]]
94 -
95 -
96 -==== Select species ====
97 -
98 -Similarly, we can refine our query for mice only.
99 -
100 -[[image:QBstep3.png||alt="Step 3: Select species" height="543" width="700"]]
101 -
102 102  = Who has access? =
103 103  
104 104  Describe the audience of this collab.
QBstep3.png
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1 -XWiki.maaike
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