comment
| -
```
{
"proto": {
"id": "?id",
"label": "$rdfs:label",
"identifier": "$dc:identifier$required",
"image": "$ecrm:P138i_has_representation/schema:contentUrl$required$var:img",
"production": {
"id": "?production",
"material": "$ecrm:P126_employed/skos:prefLabel$lang$var:?__material",
"location": "$ecrm:P8_took_place_on_or_within/geonames:name$var:?__location",
"technique": "$ecrm:P32_used_general_technique/skos:prefLabel$lang$var:?__technique",
"time": "$ecrm:P4_has_time-span/skos:prefLabel$lang$var:?__time"
},
"depiction": "$ecrm:P65_shows_visual_item",
"type": {
"id": "?digTypeAssigned",
"label": "$skos:prefLabel$var:?__type$lang$required",
"category": "$skos:member$reverse$var:?__category"
},
"museum": "?__museum",
"collection": "$ecrm:P106_is_composed_of$reverse$var:?__collection"
},
"$lang": "en",
"$where": [
"GRAPH ?__museum {?id a ecrm:E22_Man-Made_Object}",
"?production ecrm:P108_has_produced ?id",
"?typ ecrm:P41_classified ?id; silk:L4|silk:L1 ?digTypeAssigned"
],
"$filter": "STRSTARTS(STR(?img), \"https://silknow.org/\")",
"$prefixes": {
"schema": "http://schema.org/",
"rdfs": "http://www.w3.org/2000/01/rdf-schema#",
"crmdig": "http://www.ics.forth.gr/isl/CRMext/CRMdig.rdfs/",
"ecrm": "http://erlangen-crm.org/current/",
"dc": "http://purl.org/dc/elements/1.1/",
"geo": "http://www.w3.org/2003/01/geo/wgs84_pos#",
"geonames": "http://www.geonames.org/ontology#",
"skos": "http://www.w3.org/2004/02/skos/core#",
"silk": "http://data.silknow.org/ontology/property/"
}
}
```
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