Jan Šindel
E390317
Jan Šindel was a medieval Czech astronomer, mathematician, and university professor known for his contributions to astronomical instruments and timekeeping.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jan Šindel canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3817588 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Jan Šindel Context triple: [Prague Astronomical Clock, coDesigner, Jan Šindel]
-
A.
Bedřich Hrozný
Bedřich Hrozný was a Czech orientalist and linguist best known for deciphering the Hittite language and demonstrating its Indo-European character.
-
B.
Karel Gut
Karel Gut was a prominent Czech ice hockey coach and former player who significantly influenced Czechoslovak and later Czech ice hockey at the international level.
-
C.
Ludvík Vaculík
Ludvík Vaculík was a Czech writer, dissident, and influential critic of the communist regime, known for his samizdat essays and role in the Prague Spring and human rights movements.
-
D.
Ján Svatopluk Presl
Ján Svatopluk Presl was a 19th-century Czech botanist and chemist known for his pioneering work in plant taxonomy and for helping develop Czech scientific terminology.
-
E.
Ladislav Novomeský
Ladislav Novomeský was a Slovak poet, journalist, and communist politician who became a prominent cultural figure and anti-fascist activist in 20th-century Slovakia.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Jan Šindel Target entity description: Jan Šindel was a medieval Czech astronomer, mathematician, and university professor known for his contributions to astronomical instruments and timekeeping.
-
A.
Bedřich Hrozný
Bedřich Hrozný was a Czech orientalist and linguist best known for deciphering the Hittite language and demonstrating its Indo-European character.
-
B.
Karel Gut
Karel Gut was a prominent Czech ice hockey coach and former player who significantly influenced Czechoslovak and later Czech ice hockey at the international level.
-
C.
Ludvík Vaculík
Ludvík Vaculík was a Czech writer, dissident, and influential critic of the communist regime, known for his samizdat essays and role in the Prague Spring and human rights movements.
-
D.
Ján Svatopluk Presl
Ján Svatopluk Presl was a 19th-century Czech botanist and chemist known for his pioneering work in plant taxonomy and for helping develop Czech scientific terminology.
-
E.
Ladislav Novomeský
Ladislav Novomeský was a Slovak poet, journalist, and communist politician who became a prominent cultural figure and anti-fascist activist in 20th-century Slovakia.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
astronomer
ⓘ
human ⓘ mathematician ⓘ medieval scholar ⓘ university professor ⓘ |
| countryOfCitizenship | Kingdom of Bohemia ⓘ |
| educatedAt |
Charles University in Prague
ⓘ
surface form:
Charles University
|
| employer |
Charles University in Prague
ⓘ
surface form:
Charles University
|
| ethnicGroup | Czech ⓘ |
| familyName | Šindel ⓘ |
| fieldOfWork |
astronomical instruments
ⓘ
astronomy ⓘ mathematics ⓘ timekeeping ⓘ |
| givenName | Jan ⓘ |
| hasGender | male ⓘ |
| languageOfWorkOrName |
Czech
ⓘ
Latin ⓘ |
| notableFor |
contributions to astronomical instruments
ⓘ
contributions to medieval timekeeping ⓘ |
| notableWork |
calculation of astronomical tables
ⓘ
contributions to medieval astronomy in Bohemia ⓘ design of astronomical instruments ⓘ work on timekeeping devices ⓘ |
| occupation |
astronomer
ⓘ
mathematician ⓘ university teacher ⓘ |
| partOf | medieval European scientific tradition ⓘ |
| placeOfActivity | Kingdom of Bohemia ⓘ |
| positionHeld | professor at Charles University ⓘ |
| workLocation | Prague ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Jan Šindel Description of subject: Jan Šindel was a medieval Czech astronomer, mathematician, and university professor known for his contributions to astronomical instruments and timekeeping.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Prague Astronomical Clock
subject surface form:
Prague Astronomical Clock