kg
Knowledge graphs, RDF, SPARQL, graph databases, reasoning.
Load with: use kg
Quick example
use kg
result = kgne(10)
prn(result)Functions
Graph
kgne(nm)
Creates a new instance. Takes nm.
Namespaces
kgns(kg, pre, uri)
Performs the operation. Takes kg, pre, uri.
kgxpn(kg, curie)
Performs the operation. Takes kg, curie.
Triples
kgtrp(s, p, o)
Performs the operation. Takes s, p, o.
kgadd(kg, s, p, o)
Performs the operation. Takes kg, s, p, o.
kgddr(kg, trps)
Performs the operation. Takes kg, trps.
Query
kgqry(kg, pat)
Performs the operation. Takes kg, pat.
kgsbj(kg, s)
Performs the operation. Takes kg, s.
kgobj(kg, o)
Performs the operation. Takes kg, o.
kgprd(kg, p)
Reads data. Takes kg, p.
SPARQL-like queries
kgspr(kg, q)
Processes or prints. Takes kg, q.
Basic graph patterns
kgbgp(kg, bgp)
Performs the operation. Takes kg, bgp.
RDF serialization
kg2rd(kg)
Reads data. Takes kg.
kg2tr(kg)
Performs the operation. Takes kg.
kg2nt(kg)
Performs the operation. Takes kg.
kg2js(kg)
Performs the operation. Takes kg.
RDF parsing
kgfr0(s)
Performs the operation. Takes s.
kgfr1(s)
Performs the operation. Takes s.
kgfr3(s)
Performs the operation. Takes s.
kgfrm(j)
Removes an item. Takes j.
OWL/RDFS reasoning
kgnfr(kg)
Creates from another format. Takes kg.
OWL constructs
kgcls(nm)
Lists items. Takes nm.
kgprp(nm, dom, rng)
Performs the operation. Takes nm, dom, rng.
kgsbc(sub, sup)
Performs the operation. Takes sub, sup.
kgsbp(sub, sup)
Performs the operation. Takes sub, sup.
kgnst(nm, cls)
Sets a value or starts a process. Takes nm, cls.
SHACL validation
kgshc(kg, shp)
Performs the operation. Takes kg, shp.
Graph algorithms
kgtrv(kg, st, mode)
Performs the operation. Takes kg, st, mode.
kgcnn(kg, a, b)
Performs the operation. Takes kg, a, b.
kgpth(kg, a, b, mode)
Performs the operation. Takes kg, a, b, mode.
Centrality
kgbtw(kg)
Performs the operation. Takes kg.
kgpgr(kg, damp, iters)
Performs the operation. Takes kg, damp, iters.
Clustering
kgcmm(kg)
Performs the operation. Takes kg.
kgcl0(kg, k)
Performs the operation. Takes kg, k.
Similarity
kgsim(kg, a, b, mode)
Performs the operation. Takes kg, a, b, mode.
Graph database connection
kgn4j(url, usr, pwd)
Performs the operation. Takes url, usr, pwd.
kgncy(neo, q)
Performs the operation. Takes neo, q.
kgrn0(url, db)
Performs the operation. Takes url, db.
kgrng(ar, q)
Performs the operation. Takes ar, q.
Wikidata/DBpedia queries
kgwkd(q)
Performs the operation. Takes q.
Schema.org helpers
kgsch(typ)
Checks a condition. Takes typ.
Property paths
kgseq(p1, p2)
Performs the operation. Takes p1, p2.
kgalt(p1, p2)
Performs the operation. Takes p1, p2.
kgstr(p)
Performs the operation. Takes p.
Named graphs
kgnmd(kg, nm)
Performs the operation. Takes kg, nm.
kgctx(kg, ctx)
Performs the operation. Takes kg, ctx.
Provenance
kgprv(trp, agt, act, tm)
Performs the operation. Takes trp, agt, act, tm.
Import/export to graph formats
kg2gm(kg)
Performs the operation. Takes kg.
kg2gx(kg)
Performs the operation. Takes kg.
kg2gr(kg)
Performs the operation. Takes kg.
kgfr2(s)
Performs the operation. Takes s.
Notes
- Knowledge graph - nodes, edges, RDF-style triples.