Jan Železný
E1035378
Jan Železný is a legendary Czech javelin thrower, widely regarded as one of the greatest in history and the long-standing world record holder in the event.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Jan Železný canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T13247770 — 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 Železný Context triple: [Czechoslovakia national athletics team, notableAthlete, Jan Železný]
-
A.
Jaromír Štětina
Jaromír Štětina is a Czech journalist, war correspondent, and politician known for his reporting from conflict zones and his later service as a senator and Member of the European Parliament.
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B.
Zdeněk Langer
Zdeněk Langer is a Czech individual notable enough to be recognized as a prominent bearer of the surname Langer.
-
C.
Jan Kotěra
Jan Kotěra was a pioneering Czech architect and key figure of early modern architecture in Central Europe, known for transitioning from Art Nouveau to functionalist and modernist styles.
-
D.
Emil Zátopek
Emil Zátopek was a legendary Czech long-distance runner renowned for his multiple Olympic gold medals and pioneering, brutally intense training methods.
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E.
Jaromil Jireš
Jaromil Jireš was a Czech film director and key figure of the Czechoslovak New Wave, best known internationally for his surreal 1970 film "Valerie and Her Week of Wonders."
- 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 Železný Target entity description: Jan Železný is a legendary Czech javelin thrower, widely regarded as one of the greatest in history and the long-standing world record holder in the event.
-
A.
Jaromír Štětina
Jaromír Štětina is a Czech journalist, war correspondent, and politician known for his reporting from conflict zones and his later service as a senator and Member of the European Parliament.
-
B.
Zdeněk Langer
Zdeněk Langer is a Czech individual notable enough to be recognized as a prominent bearer of the surname Langer.
-
C.
Jan Kotěra
Jan Kotěra was a pioneering Czech architect and key figure of early modern architecture in Central Europe, known for transitioning from Art Nouveau to functionalist and modernist styles.
-
D.
Emil Zátopek
Emil Zátopek was a legendary Czech long-distance runner renowned for his multiple Olympic gold medals and pioneering, brutally intense training methods.
-
E.
Jaromil Jireš
Jaromil Jireš was a Czech film director and key figure of the Czechoslovak New Wave, best known internationally for his surreal 1970 film "Valerie and Her Week of Wonders."
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
athlete
ⓘ
human ⓘ javelin thrower ⓘ |
| coached | Barbora Špotáková NERFINISHED ⓘ |
| competedFor |
Czech Republic
NERFINISHED
ⓘ
Czechoslovakia NERFINISHED ⓘ |
| countryOfCitizenship |
Czech Republic
ⓘ
Czechoslovakia ⓘ |
| dateOfBirth | 1966-06-16 ⓘ |
| era |
early 21st century
ⓘ
late 20th century ⓘ |
| familyName | Železný NERFINISHED ⓘ |
| givenName | Jan NERFINISHED ⓘ |
| height | approximately 1.86 m ⓘ |
| isConsidered | one of the greatest javelin throwers of all time ⓘ |
| laterOccupation | javelin coach ⓘ |
| name | Jan Železný NERFINISHED ⓘ |
| nationality | Czech NERFINISHED ⓘ |
| notableFor |
long-standing men's javelin world record
ⓘ
three Olympic gold medals in javelin throw ⓘ |
| occupation |
athlete
ⓘ
coach ⓘ |
| olympicGames |
Athens 2004
NERFINISHED
ⓘ
Atlanta 1996 NERFINISHED ⓘ Barcelona 1992 NERFINISHED ⓘ Seoul 1988 NERFINISHED ⓘ Sydney 2000 NERFINISHED ⓘ |
| olympicGoldMedalIn |
men's javelin throw at the 1992 Summer Olympics
NERFINISHED
ⓘ
men's javelin throw at the 1996 Summer Olympics NERFINISHED ⓘ men's javelin throw at the 2000 Summer Olympics NERFINISHED ⓘ |
| olympicSilverMedalIn | men's javelin throw at the 1988 Summer Olympics NERFINISHED ⓘ |
| participatedIn |
1988 Summer Olympics
NERFINISHED
ⓘ
1992 Summer Olympics NERFINISHED ⓘ 1996 Summer Olympics NERFINISHED ⓘ 2000 Summer Olympics NERFINISHED ⓘ 2004 Summer Olympics ⓘ |
| placeOfBirth | Mladá Boleslav NERFINISHED ⓘ |
| retiredFromCompetition | mid-2000s ⓘ |
| sexOrGender | male ⓘ |
| sport |
athletics
ⓘ
javelin throw ⓘ |
| weight | approximately 92 kg during career ⓘ |
| won |
World Championships in Athletics men's javelin throw 1993
NERFINISHED
ⓘ
World Championships in Athletics men's javelin throw 1995 NERFINISHED ⓘ World Championships in Athletics men's javelin throw 2001 NERFINISHED ⓘ |
| worldRecord | men's javelin throw ⓘ |
| worldRecordDate | 1996-05-25 ⓘ |
| worldRecordMark | 98.48 m ⓘ |
| worldRecordPlace | Jena NERFINISHED ⓘ |
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 Železný Description of subject: Jan Železný is a legendary Czech javelin thrower, widely regarded as one of the greatest in history and the long-standing world record holder in the event.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.