Changes for page Technical details

Last modified by lzehl on 2021/07/05 18:57
From version 39.1
edited by lzehl
on 2021/03/08 22:37
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To version 45.1
edited by lzehl
on 2021/03/18 11:46
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10 10  Please find below a documentation of the layout and requirements needed to keep the openMINDS modularity, the syntax of the openMINDS schema template, as well as the openMINDS integration pipeline.
11 11  )))
12 12  
13 -=== Overview of the openMINDS layout ===
13 +=== The openMINDS umbrella ===
14 14  
15 15  (% style="text-align: justify;" %)
16 16  In summary, openMINDS is the overall umbrella for a set of distributed GitHub repositories, each defining a particular metadata model for neuroscience research products.
17 17  
18 +(% style="text-align: justify;" %)
19 +The main (or central) [[openMINDS GitHub repository>>https://github.com/HumanBrainProject/openMINDS||rel="noopener noreferrer" target="_blank"]] ingests all these GitHub repositories as [[git-submodules>>https://git-scm.com/docs/git-submodule||rel="noopener noreferrer" target="_blank"]]. Furthermore it defines the openMINDS vocabulary (**##vocab##**) used for **##types##** and **##properties##** across all schemas independent of their original repository (cf. below). And last but not least, it holds the schema representations for all supported metadata formats created by the openMINDS integration pipeline (cf. below).
20 +
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22 +For this to work smoothly for the existing, but also for all new openMINDS metadata models, the corresponding openMINDS submodules (GitHub repositories) have to meet the following requirements:
23 +
24 +(% style="text-align:justify" %)
25 +* The openMINDS metadata model has to be located on a **public GitHub repository** and published under an **MIT license**.
26 +* The GitHub repository should have at least one **version branch** (e.g. "v1").
27 +* The version branch should have the following **main directory folders**: **##schemas##** (required), **##tests##** (recommended),  **##examples##** (recommended), and **##img##** (optional).
28 +* The **##schemas##** folder should contain the schemas of that metadata model implemented in the **openMINDS schema template syntax** (cf. below). The directory of the schemas can be further structured or flat.
29 +* The **##tests##** folder should contain test-instances (JSON-LDs) for the schemas in a flat directory. The file names for these test-instances should follow the convention of **##<<XXX>>-<<YYY>>.jsonld##** for files that should pass the tests, and **##<<XXX>>-<<YYY>>-nok.jsonld##** for files that should fail the test. In both cases, **##<<XXX>>##** should be replaced with the label of the schema that is tested, and **##<<YYY>>##** with a user defined label for what aspect is tested (e.g., **##person-withoutContactInformation.jsonld##**).
30 +* The **##examples##** folder should contain examples for valid instance collections for that metadata model. Each example should receive its own directory (folder) with a **##README.md##** describing the example, and an **##metadataCollection##** subfolder containing the openMINDS instances (JSON-LDs). This subfolder can be further structured to group related instances.
31 +
32 +=== The openMINDS vocabulary ===
33 +
34 +(% style="text-align: justify;" %)
35 +((% style="color:#7f8c8d" %)//**coming soon**//(%%))
36 +
18 18  === The openMINDS schema template syntax ===
19 19  
20 20  (% style="text-align: justify;" %)
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38 38  {{code language="json"}}
39 39  {
40 40   "properties": {
41 - "propertyNameA": {},
42 - "propertyNameB": {},
43 - "propertyNameC": {}
60 + "propertyNameA": {},
61 + "propertyNameB": {},
62 + "propertyNameC": {}
44 44   },
45 45   "required": [
46 - "propertyNameA",
47 - "propertyNameC"
65 + "propertyNameA",
66 + "propertyNameC"
48 48   ]
49 49  }
50 50  {{/code}}
... ... @@ -90,30 +90,24 @@
90 90  How to define the expected value of a property will be explained for the different property types in the following sections.
91 91  
92 92  (% style="text-align: justify;" %)
93 -===== String properties =====
112 +===== Defining expected values =====
94 94  
95 95  (% style="text-align: justify;" %)
96 -(//**coming soon**//)
115 +The expected value of a property can be defined in large parts in the same way as in JSON-Schema, with some openMINDS syntax specific simplifications and modifications.
97 97  
98 98  (% style="text-align: justify;" %)
99 -===== Numerical properties =====
118 +On the first level, the **##"type"##** of the expected property value needs to be defined. In principle, the openMINDS template syntax supports the same value types as JSON-Schema Draft 7.0, meaning:
119 ++ **##"string"##**
120 ++ **##"number"##**
121 ++ **##"integer"##**
122 ++ **##"array"##**
123 ++ **##"boolean"##**
124 ++ **##"null"##**
125 ++ **##"object"##** 
100 100  
101 -(% style="text-align: justify;" %)
102 -(//**coming soon**//)
127 +Also very similar to JSON-Schema, additional type-specific keys can be used to set further requirements for the expected value. H
103 103  
104 -(% style="text-align: justify;" %)
105 -===== Object properties =====
106 106  
107 -(% style="text-align: justify;" %)
108 -(//**coming soon**//)
109 -
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111 -===== Property arrays =====
112 -
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114 -(//**coming soon**//)
115 -
116 -
117 117  === The openMINDS integration pipeline ===
118 118  
119 119  (//**coming soon**//)
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openMINDS