The QLever SPARQL engine: fast, scalable, with autocompletion and text search

Knowledge base index

Description
Statistics	Number of triples:

Fulltext index

Description
Statistics	Number of distinct text records: Number of distinct word occurrences: Number of distinct entity occurrences:

Basic settings

Backend name	DBLP
Backend slug	dblp
Backend URL	https://qlever.cs.uni-freiburg.de/api/dblp
Is default:	No
Fill known prefixes:	Yes
Languages:	en
Default maximum	100 rows
Default mode:	3. SPARQL & context sensitive entities

Features

Supported Keywords:	`prefix, select, construct, distinct, where, order, limit, offset, optional, by, as, having, not, textlimit, contains-entity, contains-word, filter, group, union, optional, has-predicate, bind, minus, service, internal, sort, keywords`
Supported Functions:	`asc, desc, avg, values, score, text, count, sample, min, max, average, concat, group_concat, langMatches, lang, regex, sum, dist, contains, str, strlen, substr, strstarts, strends, strbefore, strafter, contains, year, month, day, rand, abs, ceil, floor, round, log, exp, sqrt, sin, cos, tan, if, coalesce, bound, concat, replace, encode_for_uri, isiri, isblank, isliteral, isNumeric, bound`

PREFIX datacite: <http://purl.org/spar/datacite/>
PREFIX dblp: <https://dblp.org/rdf/schema#>
PREFIX litre: <http://purl.org/spar/literal/>
SELECT DISTINCT ?editor ?editorName ?editor_wikidata ?affiliation ?primaryhomepage ?identifier ?acm ?dblp ?gepris ?github ?gnd ?googleScholar ?ieee ?isni ?lattes ?linkedin ?loc ?mathGenealogy ?orcid ?researchGate ?scigraph ?twitter ?viaf ?wikidata ?zbmath 
WHERE {
	?proceeding dblp:publishedIn "CEUR Workshop Proceedings";
		dblp:publishedInSeriesVolume ?volume;
		dblp:editedBy ?editor.
	?editor dblp:primaryCreatorName ?editorName.
	OPTIONAL { ?editor dblp:wikidata ?editor_wikidata . }
	# orcid
	OPTIONAL { ?editor datacite:hasIdentifier ?orcid_blank.
		?orcid_blank datacite:usesIdentifierScheme datacite:orcid;
			litre:hasLiteralValue ?orcid.
	 }
	# google_scholar
	OPTIONAL { ?editor datacite:hasIdentifier ?google_scholar_blank.
		?google_scholar_blank datacite:usesIdentifierScheme datacite:google-scholar;
			litre:hasLiteralValue ?googleScholar.
	 }
	# acm
	OPTIONAL { ?editor datacite:hasIdentifier ?acm_blank.
		?acm_blank datacite:usesIdentifierScheme datacite:acm;
			litre:hasLiteralValue ?acm.
	 }
	# twitter
	OPTIONAL { ?editor datacite:hasIdentifier ?twitter_blank.
		?twitter_blank datacite:usesIdentifierScheme datacite:twitter;
			litre:hasLiteralValue ?twitter.
	 }
	# github
	OPTIONAL { ?editor datacite:hasIdentifier ?github_blank.
		?github_blank datacite:usesIdentifierScheme datacite:github;
			litre:hasLiteralValue ?github.
	 }
	# viaf
	OPTIONAL { ?editor datacite:hasIdentifier ?viaf_blank.
		?viaf_blank datacite:usesIdentifierScheme datacite:viaf;
			litre:hasLiteralValue ?viaf.
	 }
	# scigraph
	OPTIONAL { ?editor datacite:hasIdentifier ?scigraph_blank.
		?scigraph_blank datacite:usesIdentifierScheme datacite:scigraph;
			litre:hasLiteralValue ?scigraph.
	 }
	# zbmath
	OPTIONAL { ?editor datacite:hasIdentifier ?zbmath_blank.
		?zbmath_blank datacite:usesIdentifierScheme datacite:zbmath;
			litre:hasLiteralValue ?zbmath.
	 }
	# researchGate
	OPTIONAL { ?editor datacite:hasIdentifier ?researchGate_blank.
		?researchGate_blank datacite:usesIdentifierScheme datacite:research-gate;
			litre:hasLiteralValue ?researchGate.
	 }
	# mathGenealogy
	OPTIONAL { ?editor datacite:hasIdentifier ?mathGenealogy_blank.
		?mathGenealogy_blank datacite:usesIdentifierScheme datacite:math-genealogy;
			litre:hasLiteralValue ?mathGenealogy.
	 }
	# loc
	OPTIONAL { ?editor datacite:hasIdentifier ?loc_blank.
		?loc_blank datacite:usesIdentifierScheme datacite:loc;
			litre:hasLiteralValue ?loc.
	 }
	# linkedin
	OPTIONAL { ?editor datacite:hasIdentifier ?linkedin_blank.
		?linkedin_blank datacite:usesIdentifierScheme datacite:linkedin;
			litre:hasLiteralValue ?linkedin.
	 }
	# lattes
	OPTIONAL { ?editor datacite:hasIdentifier ?lattes_blank.
		?lattes_blank datacite:usesIdentifierScheme datacite:lattes;
			litre:hasLiteralValue ?lattes.
	 }
	# isni
	OPTIONAL { ?editor datacite:hasIdentifier ?isni_blank.
		?isni_blank datacite:usesIdentifierScheme datacite:isni;
			litre:hasLiteralValue ?isni.
	 }
	# ieee 
	OPTIONAL { ?editor datacite:hasIdentifier ?ieee_blank.
		?ieee_blank datacite:usesIdentifierScheme datacite:ieee;
			litre:hasLiteralValue ?ieee.
	 }
	# gnd
	OPTIONAL { ?editor datacite:hasIdentifier ?gnd_blank.
		?gnd_blank datacite:usesIdentifierScheme datacite:gnd;
			litre:hasLiteralValue ?gnd.
	 }
	#gepris
	OPTIONAL { ?editor datacite:hasIdentifier ?gepris_blank.
		?gepris_blank datacite:usesIdentifierScheme datacite:gepris;
			litre:hasLiteralValue ?gepris.
	 }
	#homepage
	OPTIONAL { ?editor dblp:primaryHomepage ?primaryhomepage . }
	OPTIONAL { ?editor dblp:primaryAffiliation ?affiliation . }
}

Automatically add names to result

Query results:

`ctrl` + `enter`	Send query to backend
`tab`	Jump to the next placeholder
`ctrl` + `space`	Invoke auto suggestions
`▲` or `▼`	Move through suggestions
`enter`	Choose the selected suggestion
`esc`	Close suggestion window
`ctrl` + `f`	Search in editor (supports RegEx)
`ctrl` + `r`	Search and replace in editor

Knowledge base index

Fulltext index

Basic settings

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