OpenSemanticWorld - User contributions [en]

Item:OSWee501c0fa6a9407d99c058b5ff9d55b4

2026-01-13T05:48:12Z

Admin:

==OO-LD==
Meta-Standards that combines JSON-SCHEMA and JSON-LD [https://github.com/OO-LD/schema]

{{Template:Editor/DrawIO
| file_name = diagram-json
| page_name = Item:OSWab674d663a5b472f838d8e1eb43e6784
| uuid = 95a74be1-e22d-4b6e-9e4f-836127d5915a
| width = 50%
}}


== Playground (UI) ==
[https://oo-ld.github.io/playground-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fNjwYKShlABMhP1NZFFDw5QARMj0QAF82WChsKkIABSopWngFKEEIfJR2Lh4FKSoARxEwqkjUAG0QIPyQsIjowRAAXTYIKUhi2BoNHp9q0AqqvygpGHg3BUiaDHXoODKagDEwxCgAAjJ4SIuAGTJzi96FOg27qk2I1AAWNh2iGQRNgjCAAFLFNSCC7JaRlLIgRKDGLGZbVRRrDZbNgkGRpQjRdL%2FXb7WAIQgAFVUFyRUSEFzARAuESoFyqJXJGS5bEQyjAFF4xUmJUIGz0UjIPEO5Sc6LwYDAUHOEogPwUZA4ZH0qDWIiobAA1lQqBBeAgqIzeAA3OR65AoQHYRBUBEcUpzF41CGNOjQ2FSMr9JJDQgAJgADKGfgBacMADljAE5MhkgA%3D (open in new tab)]
<xframe height=900 key="github.io" level="oo-ld" path="playground-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fNjwYKShlABMhP1NZFFDw5QARMj0QAF82WChsKkIABSopWngFKEEIfJR2Lh4FKSoARxEwqkjUAG0QIPyQsIjowRAAXTYIKUhi2BoNHp9q0AqqvygpGHg3BUiaDHXoODKagDEwxCgAAjJ4SIuAGTJzi96FOg27qk2I1AAWNh2iGQRNgjCAAFLFNSCC7JaRlLIgRKDGLGZbVRRrDZbNgkGRpQjRdL%2FXb7WAIQgAFVUFyRUSEFzARAuESoFyqJXJGS5bEQyjAFF4xUmJUIGz0UjIPEO5Sc6LwYDAUHOEogPwUZA4ZH0qDWIiobAA1lQqBBeAgqIzeAA3OR65AoQHYRBUBEcUpzF41CGNOjQ2FSMr9JJDQgAJgADKGfgBacMADljAE5MhkgA%3D" />

== Playground (Code) ==
[https://oo-ld.github.io/playground-python-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fAF82WChsKkIABSopWngFKEEIKJR2Lh4FKSoARxEYHIATVABtECCogF02CClIONgaDQqfNNBk1L8oKRh4NwUimgxe6DhE9IAxQsQoAAIyeCK5gBkyWbnKwaoiMhFsIxAAKTi1QTmAEWlE4Nu2RGUwCl44%2BvjCPr0pMh5xpKc0iA8GAwFBZt8IAAWBRkDhkfSoHoiKhsADWVCoEF4CCoYCIvAAbnJkcgULtsIgqKEQBwEi0tulooIoI94HMAOJUeBxMh6Eq3IA (open in new tab)]
<xframe height=900 key="github.io" level="oo-ld" path="playground-python-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fNjwYKShlABMhP1NZFFDw5QARMj0QAF82WChsKkIABSopWngFKEEIfJR2Lh4FKSoARxEwqkjUAG0QIPyQsIjowRAAXTYIKUhi2BoNHp9q0AqqvygpGHg3BUiaDHXoODKagDEwxCgAAjJ4SIuAGTJzi96FOg27qk2I1AAWNh2iGQRNgjCAAFLFNSCC7JaRlLIgRKDGLGZbVRRrDZbNgkGRpQjRdL%2FXb7WAIQgAFVUFyRUSEFzARAuESoFyqJXJGS5bEQyjAFF4xUmJUIGz0UjIPEO5Sc6LwYDAUHOEogPwUZA4ZH0qDWIiobAA1lQqBBeAgqIzeAA3OR65AoQHYRBUBEcUpzF41CGNOjQ2FSMr9JJDQgAJgADKGfgBacMADljAE5MhkgA%3D" />

==Try it yourself==
<div style=" column-count: 2;">
<div>[https://oo-ld.github.io/playground-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fNjwYKShlABMhP1NZFFDw5QARMj0QAF82WChsKkIABSopWngFKEEIfJR2Lh4FKSoARxEwqkjUAG0QIPyQsIjowRAAXTYIKUhi2BoNHp9q0AqqvygpGHg3BUiaDHXoODKagDEwxCgAAjJ4SIuAGTJzi96FOg27qk2I1AAWNh2iGQRNgjCAAFLFNSCC7JaRlLIgRKDGLGZbVRRrDZbNgkGRpQjRdL%2FXb7WAIQgAFVUFyRUSEFzARAuESoFyqJXJGS5bEQyjAFF4xUmJUIGz0UjIPEO5Sc6LwYDAUHOEogPwUZA4ZH0qDWIiobAA1lQqBBeAgqIzeAA3OR65AoQHYRBUBEcUpzF41CGNOjQ2FSMr9JJDQgAJgADKGfgBacMADljAE5MhkgA%3D OO-LD Playground]
<div class="QrCodeGenerator" data-config="{
"text": "https://t1p.de/oz6pr",
"image": true
}"></div>
</div>
<div>[https://oo-ld.github.io/playground-python-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fAF82WChsKkIABSopWngFKEEIKJR2Lh4FKSoARxEYHIATVABtECCogF02CClIONgaDQqfNNBk1L8oKRh4NwUimgxe6DhE9IAxQsQoAAIyeCK5gBkyWbnKwaoiMhFsIxAAKTi1QTmAEWlE4Nu2RGUwCl44%2BvjCPr0pMh5xpKc0iA8GAwFBZt8IAAWBRkDhkfSoHoiKhsADWVCoEF4CCoYCIvAAbnJkcgULtsIgqKEQBwEi0tulooIoI94HMAOJUeBxMh6Eq3IA OO-LD Python Playground]
<div class="QrCodeGenerator" data-config="{
"text": "https://t1p.de/mlt5v",
"image": true
}"></div>
</div>
</div>

<div style=" column-count: 2;">
<div>[https://oo-ld.github.io/playground-yaml Advanced OO-LD Playground]
<div class="QrCodeGenerator" data-config="{
"text": "https://oo-ld.github.io/playground-yaml",
"image": true
}"></div>
</div>
<div>[https://oo-ld.github.io/playground-python-yaml Advanced OO-LD Python Playground]
<div class="QrCodeGenerator" data-config="{
"text": "https://oo-ld.github.io/playground-python-yaml",
"image": true
}"></div>
</div>
</div>

== Use case: Data collection ==
Create datasets and export them directly as linked data / RDF - and vice versa. (Hint: Select overwrite to load the latest version)
<xframe height=900 key="github.io" level="repolab" path="jupyterlite-playground/lab/index.html?fromURL=https://raw.githubusercontent.com/OO-LD/oold-python/refs/heads/main/examples/linked_data_editor.ipynb" />

== Use case: Workflow provenance ==
Define workflows with full provenance based on [https://github.com/OO-LD/awl-schema]. (Hint: Select overwrite to load the latest version)
<xframe height=900 key="github.io" level="repolab" path="jupyterlite-playground/lab/index.html?fromURL=https://raw.githubusercontent.com/OO-LD/awl-python/refs/heads/main/examples/human_in_the_loop_async.ipynb" />

Item:OSWee501c0fa6a9407d99c058b5ff9d55b4

2026-01-13T05:40:50Z

Admin:

==OO-LD==
Meta-Standards that combines JSON-SCHEMA and JSON-LD [https://github.com/OO-LD/schema]

{{Template:Editor/DrawIO
| file_name = diagram-json
| page_name = Item:OSWab674d663a5b472f838d8e1eb43e6784
| uuid = 95a74be1-e22d-4b6e-9e4f-836127d5915a
| width = 50%
}}


== Playground (UI) ==
[https://oo-ld.github.io/playground-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fNjwYKShlABMhP1NZFFDw5QARMj0QAF82WChsKkIABSopWngFKEEIfJR2Lh4FKSoARxEwqkjUAG0QIPyQsIjowRAAXTYIKUhi2BoNHp9q0AqqvygpGHg3BUiaDHXoODKagDEwxCgAAjJ4SIuAGTJzi96FOg27qk2I1AAWNh2iGQRNgjCAAFLFNSCC7JaRlLIgRKDGLGZbVRRrDZbNgkGRpQjRdL%2FXb7WAIQgAFVUFyRUSEFzARAuESoFyqJXJGS5bEQyjAFF4xUmJUIGz0UjIPEO5Sc6LwYDAUHOEogPwUZA4ZH0qDWIiobAA1lQqBBeAgqIzeAA3OR65AoQHYRBUBEcUpzF41CGNOjQ2FSMr9JJDQgAJgADKGfgBacMADljAE5MhkgA%3D (open in new tab)]
<xframe height=900 key="github.io" level="oo-ld" path="playground-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fNjwYKShlABMhP1NZFFDw5QARMj0QAF82WChsKkIABSopWngFKEEIfJR2Lh4FKSoARxEwqkjUAG0QIPyQsIjowRAAXTYIKUhi2BoNHp9q0AqqvygpGHg3BUiaDHXoODKagDEwxCgAAjJ4SIuAGTJzi96FOg27qk2I1AAWNh2iGQRNgjCAAFLFNSCC7JaRlLIgRKDGLGZbVRRrDZbNgkGRpQjRdL%2FXb7WAIQgAFVUFyRUSEFzARAuESoFyqJXJGS5bEQyjAFF4xUmJUIGz0UjIPEO5Sc6LwYDAUHOEogPwUZA4ZH0qDWIiobAA1lQqBBeAgqIzeAA3OR65AoQHYRBUBEcUpzF41CGNOjQ2FSMr9JJDQgAJgADKGfgBacMADljAE5MhkgA%3D" />

== Playground (Code) ==
[https://oo-ld.github.io/playground-python-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fAF82WChsKkIABSopWngFKEEIKJR2Lh4FKSoARxEYHIATVABtECCogF02CClIONgaDQqfNNBk1L8oKRh4NwUimgxe6DhE9IAxQsQoAAIyeCK5gBkyWbnKwaoiMhFsIxAAKTi1QTmAEWlE4Nu2RGUwCl44%2BvjCPr0pMh5xpKc0iA8GAwFBZt8IAAWBRkDhkfSoHoiKhsADWVCoEF4CCoYCIvAAbnJkcgULtsIgqKEQBwEi0tulooIoI94HMAOJUeBxMh6Eq3IA (open in new tab)]
<iframe height=900 key="github.io" level="oo-ld" path="playground-python-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fNjwYKShlABMhP1NZFFDw5QARMj0QAF82WChsKkIABSopWngFKEEIfJR2Lh4FKSoARxEwqkjUAG0QIPyQsIjowRAAXTYIKUhi2BoNHp9q0AqqvygpGHg3BUiaDHXoODKagDEwxCgAAjJ4SIuAGTJzi96FOg27qk2I1AAWNh2iGQRNgjCAAFLFNSCC7JaRlLIgRKDGLGZbVRRrDZbNgkGRpQjRdL%2FXb7WAIQgAFVUFyRUSEFzARAuESoFyqJXJGS5bEQyjAFF4xUmJUIGz0UjIPEO5Sc6LwYDAUHOEogPwUZA4ZH0qDWIiobAA1lQqBBeAgqIzeAA3OR65AoQHYRBUBEcUpzF41CGNOjQ2FSMr9JJDQgAJgADKGfgBacMADljAE5MhkgA%3D" />

==Try it yourself==
<div style=" column-count: 2;">
<div>[https://oo-ld.github.io/playground-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fNjwYKShlABMhP1NZFFDw5QARMj0QAF82WChsKkIABSopWngFKEEIfJR2Lh4FKSoARxEwqkjUAG0QIPyQsIjowRAAXTYIKUhi2BoNHp9q0AqqvygpGHg3BUiaDHXoODKagDEwxCgAAjJ4SIuAGTJzi96FOg27qk2I1AAWNh2iGQRNgjCAAFLFNSCC7JaRlLIgRKDGLGZbVRRrDZbNgkGRpQjRdL%2FXb7WAIQgAFVUFyRUSEFzARAuESoFyqJXJGS5bEQyjAFF4xUmJUIGz0UjIPEO5Sc6LwYDAUHOEogPwUZA4ZH0qDWIiobAA1lQqBBeAgqIzeAA3OR65AoQHYRBUBEcUpzF41CGNOjQ2FSMr9JJDQgAJgADKGfgBacMADljAE5MhkgA%3D OO-LD Playground]
<div class="QrCodeGenerator" data-config="{
"text": "https://t1p.de/oz6pr",
"image": true
}"></div>
</div>
<div>[https://oo-ld.github.io/playground-python-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fAF82WChsKkIABSopWngFKEEIKJR2Lh4FKSoARxEYHIATVABtECCogF02CClIONgaDQqfNNBk1L8oKRh4NwUimgxe6DhE9IAxQsQoAAIyeCK5gBkyWbnKwaoiMhFsIxAAKTi1QTmAEWlE4Nu2RGUwCl44%2BvjCPr0pMh5xpKc0iA8GAwFBZt8IAAWBRkDhkfSoHoiKhsADWVCoEF4CCoYCIvAAbnJkcgULtsIgqKEQBwEi0tulooIoI94HMAOJUeBxMh6Eq3IA OO-LD Python Playground]
<div class="QrCodeGenerator" data-config="{
"text": "https://t1p.de/mlt5v",
"image": true
}"></div>
</div>
</div>

<div style=" column-count: 2;">
<div>[https://oo-ld.github.io/playground-yaml Advanced OO-LD Playground]
<div class="QrCodeGenerator" data-config="{
"text": "https://oo-ld.github.io/playground-yaml",
"image": true
}"></div>
</div>
<div>[https://oo-ld.github.io/playground-python-yaml Advanced OO-LD Python Playground]
<div class="QrCodeGenerator" data-config="{
"text": "https://oo-ld.github.io/playground-python-yaml",
"image": true
}"></div>
</div>
</div>

== Use case: Data collection ==
Create datasets and export them directly as linked data / RDF - and vice versa. (Hint: Select overwrite to load the latest version)
<iframe height=900 key="github.io" level="repolab" path="jupyterlite-playground/lab/index.html?fromURL=https://raw.githubusercontent.com/OO-LD/oold-python/refs/heads/main/examples/linked_data_editor.ipynb" />

== Use case: Workflow provenance ==
Define workflows with full provenance based on [https://github.com/OO-LD/awl-schema]. (Hint: Select overwrite to load the latest version)
<iframe height=900 key="github.io" level="repolab" path="jupyterlite-playground/lab/index.html?fromURL=https://raw.githubusercontent.com/OO-LD/awl-python/refs/heads/main/examples/human_in_the_loop_async.ipynb" />

File:OSW6d68332009384d18970837e0b7536d89.png

2026-01-13T05:11:08Z

Admin: Admin uploaded File:OSW6d68332009384d18970837e0b7536d89.png

File:OSW6d68332009384d18970837e0b7536d89.png

2026-01-13T05:11:08Z

Admin: Protected "File:OSW6d68332009384d18970837e0b7536d89.png": Protected as read-only import via Page Exchange extension ([Edit=Allow only administrators] (indefinite) [Move=Allow only administrators] (indefinite)) [cascading]

File:OSW6d68332009384d18970837e0b7536d89.png

2026-01-13T05:11:07Z

Admin: Update package: OSW Docs - Core

File:OSW420279d1be9640ad96e6685277a3f29b.png

2026-01-13T05:11:00Z

Admin: Admin uploaded File:OSW420279d1be9640ad96e6685277a3f29b.png

File:OSW420279d1be9640ad96e6685277a3f29b.png

2026-01-13T05:11:00Z

Admin: Protected "File:OSW420279d1be9640ad96e6685277a3f29b.png": Protected as read-only import via Page Exchange extension ([Edit=Allow only administrators] (indefinite) [Move=Allow only administrators] (indefinite)) [cascading]

File:OSW420279d1be9640ad96e6685277a3f29b.png

2026-01-13T05:10:59Z

Admin: Update package: OSW Docs - Core

Item:OSWee501c0fa6a9407d99c058b5ff9d55b4

2026-01-13T05:10:56Z

Admin: Protected "Item:OSWee501c0fa6a9407d99c058b5ff9d55b4": Protected as read-only import via Page Exchange extension ([Edit=Allow only administrators] (indefinite) [Move=Allow only administrators] (indefinite)) [cascading]

==OO-LD==
Meta-Standards that combines JSON-SCHEMA and JSON-LD [https://github.com/OO-LD/schema]

{{Template:Editor/DrawIO
| file_name = diagram-json
| page_name = Item:OSWab674d663a5b472f838d8e1eb43e6784
| uuid = 95a74be1-e22d-4b6e-9e4f-836127d5915a
| width = 50%
}}


== Playground (UI) ==
[https://oo-ld.github.io/playground-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fNjwYKShlABMhP1NZFFDw5QARMj0QAF82WChsKkIABSopWngFKEEIfJR2Lh4FKSoARxEwqkjUAG0QIPyQsIjowRAAXTYIKUhi2BoNHp9q0AqqvygpGHg3BUiaDHXoODKagDEwxCgAAjJ4SIuAGTJzi96FOg27qk2I1AAWNh2iGQRNgjCAAFLFNSCC7JaRlLIgRKDGLGZbVRRrDZbNgkGRpQjRdL%2FXb7WAIQgAFVUFyRUSEFzARAuESoFyqJXJGS5bEQyjAFF4xUmJUIGz0UjIPEO5Sc6LwYDAUHOEogPwUZA4ZH0qDWIiobAA1lQqBBeAgqIzeAA3OR65AoQHYRBUBEcUpzF41CGNOjQ2FSMr9JJDQgAJgADKGfgBacMADljAE5MhkgA%3D (open in new tab)]
<iframe height=900 key="github.io" level="oo-ld" path="playground-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fNjwYKShlABMhP1NZFFDw5QARMj0QAF82WChsKkIABSopWngFKEEIfJR2Lh4FKSoARxEwqkjUAG0QIPyQsIjowRAAXTYIKUhi2BoNHp9q0AqqvygpGHg3BUiaDHXoODKagDEwxCgAAjJ4SIuAGTJzi96FOg27qk2I1AAWNh2iGQRNgjCAAFLFNSCC7JaRlLIgRKDGLGZbVRRrDZbNgkGRpQjRdL%2FXb7WAIQgAFVUFyRUSEFzARAuESoFyqJXJGS5bEQyjAFF4xUmJUIGz0UjIPEO5Sc6LwYDAUHOEogPwUZA4ZH0qDWIiobAA1lQqBBeAgqIzeAA3OR65AoQHYRBUBEcUpzF41CGNOjQ2FSMr9JJDQgAJgADKGfgBacMADljAE5MhkgA%3D" />

== Playground (Code) ==
[https://oo-ld.github.io/playground-python-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fAF82WChsKkIABSopWngFKEEIKJR2Lh4FKSoARxEYHIATVABtECCogF02CClIONgaDQqfNNBk1L8oKRh4NwUimgxe6DhE9IAxQsQoAAIyeCK5gBkyWbnKwaoiMhFsIxAAKTi1QTmAEWlE4Nu2RGUwCl44%2BvjCPr0pMh5xpKc0iA8GAwFBZt8IAAWBRkDhkfSoHoiKhsADWVCoEF4CCoYCIvAAbnJkcgULtsIgqKEQBwEi0tulooIoI94HMAOJUeBxMh6Eq3IA (open in new tab)]
<iframe height=900 key="github.io" level="oo-ld" path="playground-python-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fNjwYKShlABMhP1NZFFDw5QARMj0QAF82WChsKkIABSopWngFKEEIfJR2Lh4FKSoARxEwqkjUAG0QIPyQsIjowRAAXTYIKUhi2BoNHp9q0AqqvygpGHg3BUiaDHXoODKagDEwxCgAAjJ4SIuAGTJzi96FOg27qk2I1AAWNh2iGQRNgjCAAFLFNSCC7JaRlLIgRKDGLGZbVRRrDZbNgkGRpQjRdL%2FXb7WAIQgAFVUFyRUSEFzARAuESoFyqJXJGS5bEQyjAFF4xUmJUIGz0UjIPEO5Sc6LwYDAUHOEogPwUZA4ZH0qDWIiobAA1lQqBBeAgqIzeAA3OR65AoQHYRBUBEcUpzF41CGNOjQ2FSMr9JJDQgAJgADKGfgBacMADljAE5MhkgA%3D" />

==Try it yourself==
<div style=" column-count: 2;">
<div>[https://oo-ld.github.io/playground-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fNjwYKShlABMhP1NZFFDw5QARMj0QAF82WChsKkIABSopWngFKEEIfJR2Lh4FKSoARxEwqkjUAG0QIPyQsIjowRAAXTYIKUhi2BoNHp9q0AqqvygpGHg3BUiaDHXoODKagDEwxCgAAjJ4SIuAGTJzi96FOg27qk2I1AAWNh2iGQRNgjCAAFLFNSCC7JaRlLIgRKDGLGZbVRRrDZbNgkGRpQjRdL%2FXb7WAIQgAFVUFyRUSEFzARAuESoFyqJXJGS5bEQyjAFF4xUmJUIGz0UjIPEO5Sc6LwYDAUHOEogPwUZA4ZH0qDWIiobAA1lQqBBeAgqIzeAA3OR65AoQHYRBUBEcUpzF41CGNOjQ2FSMr9JJDQgAJgADKGfgBacMADljAE5MhkgA%3D OO-LD Playground]
<div class="QrCodeGenerator" data-config="{
"text": "https://t1p.de/oz6pr",
"image": true
}"></div>
</div>
<div>[https://oo-ld.github.io/playground-python-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fAF82WChsKkIABSopWngFKEEIKJR2Lh4FKSoARxEYHIATVABtECCogF02CClIONgaDQqfNNBk1L8oKRh4NwUimgxe6DhE9IAxQsQoAAIyeCK5gBkyWbnKwaoiMhFsIxAAKTi1QTmAEWlE4Nu2RGUwCl44%2BvjCPr0pMh5xpKc0iA8GAwFBZt8IAAWBRkDhkfSoHoiKhsADWVCoEF4CCoYCIvAAbnJkcgULtsIgqKEQBwEi0tulooIoI94HMAOJUeBxMh6Eq3IA OO-LD Python Playground]
<div class="QrCodeGenerator" data-config="{
"text": "https://t1p.de/mlt5v",
"image": true
}"></div>
</div>
</div>

<div style=" column-count: 2;">
<div>[https://oo-ld.github.io/playground-yaml Advanced OO-LD Playground]
<div class="QrCodeGenerator" data-config="{
"text": "https://oo-ld.github.io/playground-yaml",
"image": true
}"></div>
</div>
<div>[https://oo-ld.github.io/playground-python-yaml Advanced OO-LD Python Playground]
<div class="QrCodeGenerator" data-config="{
"text": "https://oo-ld.github.io/playground-python-yaml",
"image": true
}"></div>
</div>
</div>

== Use case: Data collection ==
Create datasets and export them directly as linked data / RDF - and vice versa. (Hint: Select overwrite to load the latest version)
<iframe height=900 key="github.io" level="repolab" path="jupyterlite-playground/lab/index.html?fromURL=https://raw.githubusercontent.com/OO-LD/oold-python/refs/heads/main/examples/linked_data_editor.ipynb" />

== Use case: Workflow provenance ==
Define workflows with full provenance based on [https://github.com/OO-LD/awl-schema]. (Hint: Select overwrite to load the latest version)
<iframe height=900 key="github.io" level="repolab" path="jupyterlite-playground/lab/index.html?fromURL=https://raw.githubusercontent.com/OO-LD/awl-python/refs/heads/main/examples/human_in_the_loop_async.ipynb" />

Item:OSWee501c0fa6a9407d99c058b5ff9d55b4

2026-01-13T05:10:55Z

Admin: Update package: OSW Docs - Core

==OO-LD==
Meta-Standards that combines JSON-SCHEMA and JSON-LD [https://github.com/OO-LD/schema]

{{Template:Editor/DrawIO
| file_name = diagram-json
| page_name = Item:OSWab674d663a5b472f838d8e1eb43e6784
| uuid = 95a74be1-e22d-4b6e-9e4f-836127d5915a
| width = 50%
}}


== Playground (UI) ==
[https://oo-ld.github.io/playground-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fNjwYKShlABMhP1NZFFDw5QARMj0QAF82WChsKkIABSopWngFKEEIfJR2Lh4FKSoARxEwqkjUAG0QIPyQsIjowRAAXTYIKUhi2BoNHp9q0AqqvygpGHg3BUiaDHXoODKagDEwxCgAAjJ4SIuAGTJzi96FOg27qk2I1AAWNh2iGQRNgjCAAFLFNSCC7JaRlLIgRKDGLGZbVRRrDZbNgkGRpQjRdL%2FXb7WAIQgAFVUFyRUSEFzARAuESoFyqJXJGS5bEQyjAFF4xUmJUIGz0UjIPEO5Sc6LwYDAUHOEogPwUZA4ZH0qDWIiobAA1lQqBBeAgqIzeAA3OR65AoQHYRBUBEcUpzF41CGNOjQ2FSMr9JJDQgAJgADKGfgBacMADljAE5MhkgA%3D (open in new tab)]
<iframe height=900 key="github.io" level="oo-ld" path="playground-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fNjwYKShlABMhP1NZFFDw5QARMj0QAF82WChsKkIABSopWngFKEEIfJR2Lh4FKSoARxEwqkjUAG0QIPyQsIjowRAAXTYIKUhi2BoNHp9q0AqqvygpGHg3BUiaDHXoODKagDEwxCgAAjJ4SIuAGTJzi96FOg27qk2I1AAWNh2iGQRNgjCAAFLFNSCC7JaRlLIgRKDGLGZbVRRrDZbNgkGRpQjRdL%2FXb7WAIQgAFVUFyRUSEFzARAuESoFyqJXJGS5bEQyjAFF4xUmJUIGz0UjIPEO5Sc6LwYDAUHOEogPwUZA4ZH0qDWIiobAA1lQqBBeAgqIzeAA3OR65AoQHYRBUBEcUpzF41CGNOjQ2FSMr9JJDQgAJgADKGfgBacMADljAE5MhkgA%3D" />

== Playground (Code) ==
[https://oo-ld.github.io/playground-python-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fAF82WChsKkIABSopWngFKEEIKJR2Lh4FKSoARxEYHIATVABtECCogF02CClIONgaDQqfNNBk1L8oKRh4NwUimgxe6DhE9IAxQsQoAAIyeCK5gBkyWbnKwaoiMhFsIxAAKTi1QTmAEWlE4Nu2RGUwCl44%2BvjCPr0pMh5xpKc0iA8GAwFBZt8IAAWBRkDhkfSoHoiKhsADWVCoEF4CCoYCIvAAbnJkcgULtsIgqKEQBwEi0tulooIoI94HMAOJUeBxMh6Eq3IA (open in new tab)]
<iframe height=900 key="github.io" level="oo-ld" path="playground-python-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fNjwYKShlABMhP1NZFFDw5QARMj0QAF82WChsKkIABSopWngFKEEIfJR2Lh4FKSoARxEwqkjUAG0QIPyQsIjowRAAXTYIKUhi2BoNHp9q0AqqvygpGHg3BUiaDHXoODKagDEwxCgAAjJ4SIuAGTJzi96FOg27qk2I1AAWNh2iGQRNgjCAAFLFNSCC7JaRlLIgRKDGLGZbVRRrDZbNgkGRpQjRdL%2FXb7WAIQgAFVUFyRUSEFzARAuESoFyqJXJGS5bEQyjAFF4xUmJUIGz0UjIPEO5Sc6LwYDAUHOEogPwUZA4ZH0qDWIiobAA1lQqBBeAgqIzeAA3OR65AoQHYRBUBEcUpzF41CGNOjQ2FSMr9JJDQgAJgADKGfgBacMADljAE5MhkgA%3D" />

==Try it yourself==
<div style=" column-count: 2;">
<div>[https://oo-ld.github.io/playground-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fNjwYKShlABMhP1NZFFDw5QARMj0QAF82WChsKkIABSopWngFKEEIfJR2Lh4FKSoARxEwqkjUAG0QIPyQsIjowRAAXTYIKUhi2BoNHp9q0AqqvygpGHg3BUiaDHXoODKagDEwxCgAAjJ4SIuAGTJzi96FOg27qk2I1AAWNh2iGQRNgjCAAFLFNSCC7JaRlLIgRKDGLGZbVRRrDZbNgkGRpQjRdL%2FXb7WAIQgAFVUFyRUSEFzARAuESoFyqJXJGS5bEQyjAFF4xUmJUIGz0UjIPEO5Sc6LwYDAUHOEogPwUZA4ZH0qDWIiobAA1lQqBBeAgqIzeAA3OR65AoQHYRBUBEcUpzF41CGNOjQ2FSMr9JJDQgAJgADKGfgBacMADljAE5MhkgA%3D OO-LD Playground]
<div class="QrCodeGenerator" data-config="{
"text": "https://t1p.de/oz6pr",
"image": true
}"></div>
</div>
<div>[https://oo-ld.github.io/playground-python-yaml/?data=N4Ig9gDgLglmB2BnEAuUMDGCA2MBGqIAZglAIYDuApomALZUCsIANOHgFZUZQD62ZAJ5gArlELwwAJzplsrEIgwALKrNSgAAlnhQqAD3FpFKtWULKoUCCgD0tpatkA6aQHNbC%2BGQaFHZlG9fAF82WChsKkIABSopWngFKEEIKJR2Lh4FKSoARxEYHIATVABtECCogF02CClIONgaDQqfNNBk1L8oKRh4NwUimgxe6DhE9IAxQsQoAAIyeCK5gBkyWbnKwaoiMhFsIxAAKTi1QTmAEWlE4Nu2RGUwCl44%2BvjCPr0pMh5xpKc0iA8GAwFBZt8IAAWBRkDhkfSoHoiKhsADWVCoEF4CCoYCIvAAbnJkcgULtsIgqKEQBwEi0tulooIoI94HMAOJUeBxMh6Eq3IA OO-LD Python Playground]
<div class="QrCodeGenerator" data-config="{
"text": "https://t1p.de/mlt5v",
"image": true
}"></div>
</div>
</div>

<div style=" column-count: 2;">
<div>[https://oo-ld.github.io/playground-yaml Advanced OO-LD Playground]
<div class="QrCodeGenerator" data-config="{
"text": "https://oo-ld.github.io/playground-yaml",
"image": true
}"></div>
</div>
<div>[https://oo-ld.github.io/playground-python-yaml Advanced OO-LD Python Playground]
<div class="QrCodeGenerator" data-config="{
"text": "https://oo-ld.github.io/playground-python-yaml",
"image": true
}"></div>
</div>
</div>

== Use case: Data collection ==
Create datasets and export them directly as linked data / RDF - and vice versa. (Hint: Select overwrite to load the latest version)
<iframe height=900 key="github.io" level="repolab" path="jupyterlite-playground/lab/index.html?fromURL=https://raw.githubusercontent.com/OO-LD/oold-python/refs/heads/main/examples/linked_data_editor.ipynb" />

== Use case: Workflow provenance ==
Define workflows with full provenance based on [https://github.com/OO-LD/awl-schema]. (Hint: Select overwrite to load the latest version)
<iframe height=900 key="github.io" level="repolab" path="jupyterlite-playground/lab/index.html?fromURL=https://raw.githubusercontent.com/OO-LD/awl-python/refs/heads/main/examples/human_in_the_loop_async.ipynb" />

File:OSWe26ed96136a5484baf478d932a12011b.png

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Admin: Protected "File:OSWe26ed96136a5484baf478d932a12011b.png": Protected as read-only import via Page Exchange extension ([Edit=Allow only administrators] (indefinite) [Move=Allow only administrators] (indefinite)) [cascading]

File:OSWe26ed96136a5484baf478d932a12011b.png

2026-01-13T05:10:52Z

Admin: Update package: OSW Docs - Core

Item:OSWdb485a954a88465287b341d2897a84d6

2026-01-13T05:10:51Z

Admin: Protected "Item:OSWdb485a954a88465287b341d2897a84d6": Protected as read-only import via Page Exchange extension ([Edit=Allow only administrators] (indefinite) [Move=Allow only administrators] (indefinite)) [cascading]

<div class="QrCodeGenerator" data-config='{"text": "{{fullurl:{{FULLPAGENAME}}}}", "image": true, "print": false, "print_format": [29,42], "print_scale": 0.12}' style="height: 250px; width: 200px;">
</div> doi: https://doi.org/10.5281/zenodo.8086418

github: https://github.com/OpenSemanticLab

==Background==
[[File:OSWa81f4a8b552e4057888796a9a496dad3.png|none|thumb|1200x1000px|from: https://github.com/General-Process-Ontology/ontology]]

==KIproBatt Project Usecase==
[[File:OSWb620db8af84847acabf76a88633f980c.png|none|thumb|1200x1000px|from: https://kiprobatt.de]]


==Motivation==
{{Template:Editor/DrawIO
| file_name = OSW Introduction - motivation
| page_name = Item:OSWdb485a954a88465287b341d2897a84d6
| uuid = 56878748-dd38-4b7d-8b52-6e7421d9c906
| width = 50%
}}

==OpenSemanticWorld Concept==
Note: Read [[Item:OSW7113f5cf921a4c82ad1872afeff9d01d]] first if you are already familiar with mediawiki

==OpenSemanticWorld Concept==
{{Template:Editor/DrawIO
| file_name = OSW Introduction data model
| page_name = Item:OSWdb485a954a88465287b341d2897a84d6
| uuid = 96280227-805c-4e4a-8fcf-615359b01672
| width = 30%
}}

==Link to related technologies==
see also https://github.com/OO-LD/schema<nowiki/>{{Template:Editor/DrawIO
| file_name = OSW concept and included technologies
| page_name = Item:OSWdb485a954a88465287b341d2897a84d6
| uuid = 01a91338-79e9-4df1-9a8e-617d91d28f39
| width = 50%
}}

==Technology Stack==
{{Template:Editor/DrawIO
| file_name = OSW Introduction technology stack
| page_name = Item:OSWdb485a954a88465287b341d2897a84d6
| uuid = 95a74be1-e22d-4b6e-9e4f-836127d5915a
| width = 50%
}}

== Why (Semantic) MediaWiki? ==

* already powers large public knowledge bases (Wikipedia, Wikidata)
* Provides fundmental features
** User management, [[mediawikiwiki:Extension:PluggableAuth|OAuth / OIDC]]
** [[mediawikiwiki:Localisation|Multi-Language]] / i18n support
** [[mediawikiwiki:API:Main_page|API]] and [[wikipedia:Help:Creating_a_bot#Programming_languages_and_libraries|botframeworks]] to automate everything
** [[mediawikiwiki:Multi-Content_Revisions|Multi-Content-Slots]] and [[mediawikiwiki:Help:Tracking_changes|Revisions / Versioning]]
** Core database (SQL), multiple [https://www.semantic-mediawiki.org/wiki/Help:Using_SPARQL_and_RDF_stores Triplestores] (SPARQL), [[mediawikiwiki:Extension:CirrusSearch|ElasticSearch]]
** One of the most powerful (yet complex) [[mediawikiwiki:Help:Templates|template language]]
*** with [[mediawikiwiki:Help:VisualEditor/User_guide|visual editing]]
*** other options like mustache and markdown
** > 1000 [[mediawikiwiki:Category:All_extensions|extensions]]: UI, data handling, custom content, etc.
* ... but it's just a container, the core JSON-based concept is highly portable

== What is different to Vanilla (Semantic) MediaWiki? ==

* All titles are UUIDs to make same global unique and stable + to allow changing the labels easily
** Requires custom search interface (based on Skin:Citizen)
** Requires replacements for some VE tools (Links, Media, Gallery)
* Additional tools to place custom and inline editable content
* Categories become nestable dataschemas (accessable for third-party tools) and render templates for their instances (also supporting metaschemas)
* All structured data lives in the jsondata slot, templates are only used for rendering
* All semantic annotations are done per json-ld context, which can be processed by many third-party tools without any SMW knowledge

==Link to Ontologies==

* Ontology classes are just specific schemas / schemas represent "icons" of "real objects"
*Automatic import via python (see: [https://github.com/OpenSemanticLab/osw-python/blob/main/examples/ontology_import.py Python Examples])
*Combination with data schemas, e. g. to populate autocomplete fields
*''Not just a static documentation'': Planned community interaction features
**Comments => Github Issues,
**Edits => Re-export => Github Pull request




==Usecases and Applications==

*Schema / Dataspace Catalogue
*Ontologies Documentation, Visualization, Demonstration (s. a. [https://onto-wiki.eu/wiki/Main_Page Onto-Wiki])
*Driver (=> CAMELS) , Tool and Workflow Registry ([https://demo.open-semantic-lab.org/wiki/Item:OSWd94b2ac3a2194dab8f9873d495752a24 Early Demo])
*Easy access to data science workflows: [https://onterface.open-semantic-lab.org/wiki/ Onterface]
*LIMS, ELN ([https://demo.open-semantic-lab.org Demo]), etc. in connection with ELN Standard Format, NOMAD, etc.
*... whatever you want it to be

Item:OSWdb485a954a88465287b341d2897a84d6

2026-01-13T05:10:49Z

Admin: Update package: OSW Docs - Core

File:OSW96280227805c4e4a8fcf615359b01672.drawio.svg

2026-01-13T05:10:47Z

Admin: Protected "File:OSW96280227805c4e4a8fcf615359b01672.drawio.svg": Protected as read-only import via Page Exchange extension ([Edit=Allow only administrators] (indefinite) [Move=Allow only administrators] (indefinite)) [cascading]

File:OSW96280227805c4e4a8fcf615359b01672.drawio.svg

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Admin: Update package: OSW Docs - Core

File:OSWef6806b8a17f472c9dd34bfe0c1ca6f1.png

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Admin: Protected "File:OSWef6806b8a17f472c9dd34bfe0c1ca6f1.png": Protected as read-only import via Page Exchange extension ([Edit=Allow only administrators] (indefinite) [Move=Allow only administrators] (indefinite)) [cascading]

File:OSW1a42918d85d942a7a3e9021c5955636d.png

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Admin: Protected "File:OSW1a42918d85d942a7a3e9021c5955636d.png": Protected as read-only import via Page Exchange extension ([Edit=Allow only administrators] (indefinite) [Move=Allow only administrators] (indefinite)) [cascading]

File:OSW1a42918d85d942a7a3e9021c5955636d.png

2026-01-13T05:10:38Z

Admin: Update package: OSW Docs - Core

Item:OSW6df03625b42e4b44bd9f2dfa77387887

2026-01-13T05:10:32Z

Admin: Protected "Item:OSW6df03625b42e4b44bd9f2dfa77387887": Protected as read-only import via Page Exchange extension ([Edit=Allow only administrators] (indefinite) [Move=Allow only administrators] (indefinite)) [cascading]

== Helpers ==

=== Compare operator ===
<syntaxhighlight lang="javascript">
// register compare operator
// e.g. {{#when <operand1> 'eq' <operand2>}} {{/when}}
// {{#when var1 'eq' var2}}equal{{else when var1 'gt' var2}}gt{{else}}lt{{/when}}
Handlebars.registerHelper("when", (operand_1, operator, operand_2, options) => {
let operators = {
'eq': (l, r) => l == r,
'==': (l, r) => l == r,
'===': (l, r) => l === r,
'noteq': (l, r) => l != r,
'!=': (l, r) => l != r,
'!==': (l, r) => l !== r,
'gt': (l, r) => (+l) > (+r),
'>': (l, r) => (+l) > (+r),
'gteq': (l, r) => ((+l) > (+r)) || (l == r),
'>=': (l, r) => ((+l) > (+r)) || (l == r),
'lt': (l, r) => (+l) < (+r),
'<': (l, r) => (+l) < (+r),
'lteq': (l, r) => ((+l) < (+r)) || (l == r),
'<=': (l, r) => ((+l) < (+r)) || (l == r),
'or': (l, r) => l || r,
'||': (l, r) => l || r,
'and': (l, r) => l && r,
'&&': (l, r) => l && r,
'mod': (l, r) => (l % r) === 0,
'%': (l, r) => (l % r) === 0
};
let result = operators[operator](operand_1, operand_2);
if (result) return options.fn(this);
return options.inverse(this);
});
</syntaxhighlight>

=== Replace operator ===
<syntaxhighlight lang="javascript">
// register replace operator
// e. g. {{#replace <find> <replace>}}{{string}}{{/replace}}
Handlebars.registerHelper('replace', function( find, replace, options) {
let string = options.fn(this);
return string.replaceAll( find, replace );
});
</syntaxhighlight>

=== Split operator ===
<syntaxhighlight lang="javascript">
// register split operator
// {{#split <find> <index>}}<string>{{/split}}
// e. g. {{#split "/" -1}}https://test.com/target{{/split}} => target
Handlebars.registerHelper('split', function( find, index, options) {
let string = options.fn(this);
let result = string.split( find );
if (index < 0) return result[result.length + index];
else return result[index];
});
</syntaxhighlight>

=== Split interator ===
<syntaxhighlight lang="javascript">
// register split interator
// {{#each_split <string> <find>}}...{{/each_split}}
// e. g. {{#each_split "https://test.com/target" "/"}}{{.}},{{/each_split}} => https:,,test.com,target,
Handlebars.registerHelper('each_split', function( string, find, options) {
let data = string.split(find);
let result = '';
data.forEach((item) => {
result += options.fn(item);
});
return result;
});
</syntaxhighlight>

=== Substring operator ===
<syntaxhighlight lang="javascript">
// register substring operator
// {{#substring start end}}<string>{{/substring}}
// e. g. {{#substring 0 4}}My-test-string{{/substring}} => My-t
// e. g. {{#substring -2 ""}}My-test-string{{/substring}} => ng
// e. g. {{#substring 0 -2}}My-test-string{{/substring}} => My-test-stri
Handlebars.registerHelper('substring', function( start, end, options) {
let string = options.fn(this);
let result = "";
if (end === "") result = string.slice( start);
else result = string.slice( start, end );
return result;
});
</syntaxhighlight>

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