Planning | Description | Requirements | UI Mockup | Triples | SOLR Design
SOLR and the ORE ontology gem
AggregationResource
Properties
| Property | Predicate | Type | Count | Comments |
|---|---|---|---|---|
| id | [ URI ] | 1 | rdf_subject | |
| type | RDF::type | [ URI ] | 1..m | can a resource not have a type? |
| title | RDF::DC.title | string | 1 | |
| description | RDF::DC.description | string | 1 | |
| owner | DCTERMS.creator | FOAF.person [ URI ] | 1..m | Likely moving to PROV-O or PRAV can there be multiple owners? |
| aggregates | ORE.aggregates | [ URI ] | 0..m | |
| first | IANA.first | ORE.proxy [ URI ] | 0..1 | |
| last | IANA.last | ORE.proxy [ URI ] | 0..m |
Solr
Fields
| field name | type | value | value from property | indexed (i) | stored (s) | multi (m) | required | facet | sortable | solrizer modifier |
|---|---|---|---|---|---|---|---|---|---|---|
| id | string | rdf_subject of ORE.Aggregation | obj.id | yes | yes | no | yes | no | ||
| at_model | string | "LD4L::OreRDF::AggregationResource" | obj.class.to_s | yes | yes | no | yes | yes | ? | _sim :facetable |
| title_ti | text | "my","collection" | obj.title | yes | no | no | yes | no | no | _tesi :stored_sortable _ssm :displayable |
| title_sort_ss | string | "My Collection" | obj.title | no | yes | no | yes | no | yes | N/A |
| description_tsi | text | "my","collection","resources" | obj.description | yes | yes | no | yes | no | no | _tesim :stored_searchable _ssm :displayable |
| owner_uri_ss | string | FOAF.person [ URI ] | obj.owner | no | yes | ? | yes | no | no | _ssm :displayable |
| owner_name_ti | text | "john","smith" | obj.owner.name | yes | no | ? | yes | yes | no | _tesim :stored_searchable |
| owner_name_sort_ss | string | "John Smith" | obj.owner.name | no | yes | ? | yes | no | yes | N/A |
| item_proxies_ssm | string | ORE.proxy [ URI ] - gathered from all proxies | generated | no | yes | yes | no | no | ? | _ssm :displayable |
| aggregates_ssim | string | [ URI ] | obj.aggregates | yes | yes | yes | no | no | ? | _ssim :displayable |
| object_profile_ss | string | "object_profile_ssm":[
"{
\"id\":\"http://www.example.org/a2d61b58-2207-49d4-b151-140def2b11c0\", | serialization of active_triples object | no | yes | ? | yes | no | no | _ssm :displayable This is what ActiveFedora uses for its object_profile |
NOTE: All fields are dynamic except id and at_model.
Example Solr Document
{
"id":"http://www.example.org/a2d61b58-2207-49d4-b151-140def2b11c0",
"at_model_ssi":"LD4L::OreRDF::AggregationResource",
"title_sort_ss":"My Collection",
"description_tsi":"My collection of resources.",
"owner_uri_ss":"http://example.org/js333",
"owner_name_sort_ss":"John Smith",
"item_proxies_ssm": [
"http://www.example.org/75661b44-4524-1883-3653-483d34b11a534"
"http://www.example.org/82361b44-2324-1943-8a53-493d34b11a1c4"
"http://www.example.org/23161b44-9824-1323-8453-993d34b11a883"
],
"object_profile_ssm":[
"{
\"id\":\"http://www.example.org/a2d61b58-2207-49d4-b151-140def2b11c0\",
\"type\":\"http://www.openarchives.org/ore/terms/Aggregation\",
\"title\":\"My Collection\",
\"description\":\"My collection of resources.\",
\"owner\":\"http://example.org/elr\",
\"aggregates\":[{\"https://newcatalog.library.cornell.edu/catalog/5449293\"}],
\"first_proxy\":\"http://www.example.org/75661b44-4524-1883-3653-483d34b11a534\",
\"last_proxy\":\"http://www.example.org/23161b44-9824-1323-8453-993d34b11a883\"
}"
]
}
Queries
Get all collections owned by user.
http://localhost:8983/solr/#/development/select? q=owner_uri_ss:http://example.org/elr &fq=at_model_ssi:LD4L\:\:OreRDF\:\:AggregationResource &fl=id,object_profile_ssm
ProxyResource
Properties
| Property | Predicate | Type | Count | Comments |
|---|---|---|---|---|
| id | [ URI ] | 1 | rdf_subject | |
| type | RDF:type | [ URI ] | 1..m | can a resource not have a type? |
| proxyFor | ORE.proxyFor | [ URI ] | 1 | resource uri |
| proxyIn | ORE.proxyIn | ORE.Aggregation [ URI ] | 1 | aggregation uri |
| next | IANA.next | ORE.proxy [ URI ] | 0..1 | uri of next proxy in the linked list |
| prev | IANA.prev | ORE.proxy [ URI ] | 0..1 | uri of previous proxy in the linked list |
| contributor | RDF::DC.contributor | FOAF.person [ URI ] | 0..m | Likely moving to PROV-O or PRAV |
Solr
Fields
| field name | type | value | value from property | indexed (i) | stored (s) | multiValued (m) | required | facet | sortable |
|---|---|---|---|---|---|---|---|---|---|
| id | string | rdf_subject of ORE.Proxy | obj.id | yes | yes | no | yes | no | |
| at_model_ssi | string | "LD4L::OreRDF::ProxyResource" | obj.class.to_s | yes | yes | no | yes | yes | ? |
| proxy_in_ssi | string | [ URI ] of parent vc | obj.proxy_in | yes | no | no | yes | yes | no |
| proxy_for_ssi | string | [ URI ] of resource in catalog | obj.proxy_for | yes | no | no | yes | yes | no |
| prev_ss | string | [ URI ] | obj.prev | no | yes | no | no | no | no |
| next_ss | string | [ URI ] | obj.next | no | yes | no | no | no | no |
| contributor_uri_ss | string | [ URI ] | obj.contributor | no | yes | ? | yes | no | no |
| contributor_name_ti | text | "john","smith" | obj.contributor.name | yes | no | ? | yes | yes | no |
| contributor_name_sort_ss | string | "John Smith" | obj.contributor.name | no | yes | ? | yes | no | yes |
| object_profile_ss | string | "object_profile_ssm":[
"{
\"id\":\"http://www.example.org/82361b44-2324-1943-8a53-493d34b11a1c4\", | serialization of active_triples object | no | yes | ? | yes | no | no |
| order_itsi | tint | 0..N | generated | yes | yes | no | yes | no | yes |
| resource_title_ti | text | "archery", "fundamentals" | get from content negotiation of obj.proxy_for | yes | no | ? | yes | yes | no |
| resource_title_sort_ss | string | "Archery fundamentals" | get from content negotiation of obj.proxy_for | no | yes | ? | yes | no | yes |
| resource_author_ti | text | ["douglas", "engh"] | get from content negotiation of obj.proxy_for | yes | no | yes | no | yes | no |
| resource_author_sort_ss | string | ["Douglas Engh."] | get from content negotiation of obj.proxy_for | no | yes | yes | no | no | yes |
| resource_subject_ti | text | ["archery","arrow","bow","games","history"] | get from content negotiation of obj.proxy_for | yes | no | yes | no | yes | no |
| resource_subject_sort_ss | string | ["Archery","Bow and arrow","Games,History"] | get from content negotiation of obj.proxy_for | no | yes | yes | no | no | yes |
| resource_call_number_ti | text | ["anthropology","geography","history","recreation","world"] | get from content negotiation of obj.proxy_for | yes | no | ? | no | yes | no |
| resource_call_number_sort_ss | string | ["G - Geography, Anthropology, Recreation", "D - World History"] | get from content negotiation of obj.proxy_for | no | yes | ? | no | no | yes |
| resource_publisher_ti | text | "champaign","il","human","kinetics","c2005" | get from content negotiation of obj.proxy_for | yes | no | ? | no | no | no |
| resource_publisher_ss | string | "Champaign, IL : Human Kinetics, c2005." | get from content negotiation of obj.proxy_for | no | yes | ? | no | no | yes |
| resource_publication_year_iti | tint | 2005 | get from content negotiation of obj.proxy_for | yes | no | ? | no | yes | no |
| resource_profile_ss | string | "resource_profile_ssm":[ | serialization of resource metadata | no | yes | no | yes | no | no |
NOTE: All fields are dynamic except id and at_model.
Example Solr Document
{
"id":"http://www.example.org/82361b44-2324-1943-8a53-493d34b11a1c4",
"at_model":"LD4L::OreRDF::ProxyResource",
"proxy_in_ssi":"http://www.example.org/a2d61b58-2207-49d4-b151-140def2b11c0"
"proxy_for_ssi":"https://newcatalog.library.cornell.edu/catalog/5449293"
"prev_ss":"http://www.example.org/75661b44-4524-1883-3653-483d34b11a534",
"next_ss":"http://www.example.org/23161b44-9824-1323-8453-993d34b11a883",
"contributor_uri_ss":"http://example.org/js333",
"contributor_name_sort_ss":"John Smith",
"object_profile_ssm":[
"{
\"id\":\"http://www.example.org/82361b44-2324-1943-8a53-493d34b11a1c4\",
\"type\":\"http://www.openarchives.org/ore/terms/Proxy\",
\"proxy_in\":\"http://www.example.org/a2d61b58-2207-49d4-b151-140def2b11c0\"
\"proxy_for\":\"https://newcatalog.library.cornell.edu/catalog/5449293\"
\"prev\":\"http://www.example.org/75661b44-4524-1883-3653-483d34b11a534\"
\"next\":\"http://www.example.org/23161b44-9824-1323-8453-993d34b11a883\"
}"
],
"order_itsi":2
"resource_title_sort_ss":"Archery fundamentals",
"resource_author_sort_ss":["Douglas Engh."],
"resource_subject_sort_ss":["Archery","Bow and arrow","Games,History"],
"resource_call_number_sort_ss":["G - Geography, Anthropology, Recreation", "D - World History"],
"resource_publisher_ss":"Champaign, IL : Human Kinetics, c2005."
"resource_profile_ssm":[
"{
\"resource_title_sort_ss\":\"Archery fundamentals\",
\"resource_author_sort_ss\":[\"Douglas Engh.\"],
\"resource_subject_sort_ss\":[\"Archery\",\"Bow and arrow\",\"Games,History\"],
\"resource_call_number_sort_ss\":[\"G - Geography, Anthropology, Recreation\", \"D - World History\"],
\"resource_publisher_ss\":\"Champaign, IL : Human Kinetics, c2005.\"
}"
]
}
Queries
Get display fields for first 20 items in a virtual collection __VC_URI__.
# assumes contiguous ordering which has implications for reordering, inserts, deletes with potential updates to all proxies in the worst case http://localhost:8983/solr/#/development/select? q=proxy_in_ssi:__VC_URI__& &fq=at_model_ssi:LD4L\:\:OreRDF\:\:ProxyResource &fq=order_itsi:[0 TO 19] &fl=id,object_profile_ssm,resource_profile_ssm &sort=order # potential to skip documents with reodering, inserts, deletes by other users # has to get all documents before start + rows - has implications for getting start=1000000000 rows=20 http://localhost:8983/solr/#/development/select? q=proxy_in_ssi:__VC_URI__& &fq=at_model_ssi:LD4L\:\:OreRDF\:\:ProxyResource &fl=id,object_profile_ssm,resource_profile_ssm &sort=order &start=0 &rows=19
Find next 20 items for a virtual collection __VC_URI__.
http://localhost:8983/solr/#/development/select? q=proxy_in_ssi:__VC_URI__& &fq=at_model_ssi:LD4L\:\:OreRDF\:\:ProxyResource &fq=order_itsi:[20 TO 39] &fl=id,object_profile_ssm,resource_profile_ssm &sort=order http://localhost:8983/solr/#/development/select? q=proxy_in_ssi:__VC_URI__& &fq=at_model_ssi:LD4L\:\:OreRDF\:\:ProxyResource &fl=id,object_profile_ssm,resource_profile_ssm &sort=order &start=20 &rows=19
