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 | OSM Test |
|---|---|
| Backend slug | osm-test |
| Backend URL | https://qlever.cs.uni-freiburg.de/api/osm-test |
| 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 |
- All streets in X
- Average number of points on non-point geometry
- Adminstrative regions of level 4
- Number of post boxes per mountainrange
- Number of objects by type
- All way-in-area checks, most expensive first
- All way-in-area checks, histogram by usec
- All way-in-area checks, histogram by usec div 10
- All way-in-area checks, histogram by "number of areas compare to per way"
- All way-in-area checks, number | average time | total time
- All buildings in Freiburg
- All way-in-area comparisons, grouped by area size
- All areas compared with X (Jylland)
- All dummy areas
- Jylland and Tønder
- All named objects in X
- All predicates with their relative and absolute size
- All benches more than 1 km away from a transit stop
- All buildings more than 1 km away from a transit stop
- Buildings in rings around center
- Sorry, no examples found :(
