Knowledge base index
| Index name: | |
|---|---|
| Dataset | Number of triples: |
Fulltext index
| Index name: | |
|---|---|
| Dataset |
Number of distinct text records: Number of distinct word occurrences: Number of distinct entity occurrences: |
Basic settings
| Backend name | Wikidata |
|---|---|
| Backend slug | wikidata |
| Backend URL | https://qlever.cs.uni-freiburg.de/api/wikidata-proxy |
| Is default: | Yes |
| 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 |
|---|---|
| Supported Functions: | asc, desc, avg, values, score, text, count, sample, min, max, average, concat, group_concat, langMatches, lang, regex, sum, dist, contains |
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 |
- German cities with their German names
- Regions and mountains
- People and their professions
- All predicates of Paris with name and #triples
- All "shared border with" statements for Paris (Q90)
- Mountains higher than 8000 meters
- All scientific articles with their author (large result)
- All scientific papers (ID and Name)
- Astronauts and their time spent in space
- Persons and their birthdate if it has precision "9"
- Astronauts ordered by number of sitelinks
- All persons with their description, ordered by sitelinks
- All movies with their description, ordered by sitelinks
- Douglas Adams marriage-related triples
- Average height by occupation and gender, ordered by height
- German Astronauts with Date of Birth
- Astronauts who walked on the moon and when
- Astronauts and their predicates
- Movies in 2017 ordered by date
- Horses and Information about them
- People with pictures
- German politicians and their most recent party
- Scientists who's name starts with Albert
- Films, Title, Countries, Genre, Description
- All countries and their German name (test for unicode order)
- All triples of wdt:P30 (continent), with proper names
- Birthplaces of people named Patrick
- All movies and their narrative location
- Literals of Germany, except names
- Meryl Streep Oscars and corresponding movies
- Politicians and their most recent party
- People that co-occur with "beatles"
- Airports around Berlin (using DIST)
- All objects with an location in a 100km ring around Freiburg
- All places in a stripe around the 48°N latitude
