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 | OpenCitations |
|---|---|
| Backend slug | opencitations |
| Backend URL | https://qlever.cs.uni-freiburg.de/api/opencitations |
| 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 |
QLever UI Shortcuts:
| 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 |
