Ben Johnson 100 metres disqualification
E133193
The Ben Johnson 100 metres disqualification refers to the infamous 1988 Olympic scandal in which Canadian sprinter Ben Johnson was stripped of his 100m gold medal after testing positive for anabolic steroids, becoming one of the most high-profile doping cases in sports history.
All labels observed (3)
| Label | Occurrences |
|---|---|
| 1988 Olympic 100m doping scandal | 1 |
| Ben Johnson 100 metres disqualification canonical | 1 |
| Ben Johnson doping scandal | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1173686 — 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: Ben Johnson 100 metres disqualification Context triple: [1988 Summer Olympics, notableDopingCase, Ben Johnson 100 metres disqualification]
-
A.
Asafa Powell
Asafa Powell is a Jamaican sprinter renowned for repeatedly breaking the 100-metre world record in the mid-2000s and for his consistent presence among the fastest men in history.
-
B.
Usain Bolt
Usain Bolt is a Jamaican sprinter widely regarded as the fastest man in history, holding multiple world records and Olympic gold medals in the 100m and 200m events.
-
C.
Maurice Pryce
Maurice Pryce was a British theoretical physicist known for his contributions to quantum mechanics and his involvement in early British nuclear research efforts.
-
D.
Colin Jackson
Colin Jackson is a retired Welsh hurdler and sprinter best known for being a world champion and former world record holder in the 110 metres hurdles.
-
E.
Edwin Moses
Edwin Moses is an American track and field legend best known for his dominance in the 400-meter hurdles, including an unprecedented winning streak and multiple Olympic gold medals.
- 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: Ben Johnson 100 metres disqualification Target entity description: The Ben Johnson 100 metres disqualification refers to the infamous 1988 Olympic scandal in which Canadian sprinter Ben Johnson was stripped of his 100m gold medal after testing positive for anabolic steroids, becoming one of the most high-profile doping cases in sports history.
-
A.
Asafa Powell
Asafa Powell is a Jamaican sprinter renowned for repeatedly breaking the 100-metre world record in the mid-2000s and for his consistent presence among the fastest men in history.
-
B.
Usain Bolt
Usain Bolt is a Jamaican sprinter widely regarded as the fastest man in history, holding multiple world records and Olympic gold medals in the 100m and 200m events.
-
C.
Maurice Pryce
Maurice Pryce was a British theoretical physicist known for his contributions to quantum mechanics and his involvement in early British nuclear research efforts.
-
D.
Colin Jackson
Colin Jackson is a retired Welsh hurdler and sprinter best known for being a world champion and former world record holder in the 110 metres hurdles.
-
E.
Edwin Moses
Edwin Moses is an American track and field legend best known for his dominance in the 400-meter hurdles, including an unprecedented winning streak and multiple Olympic gold medals.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Olympic scandal
ⓘ
doping scandal ⓘ sports controversy ⓘ |
| affectedRecord | men's 100 metres world record ⓘ |
| alsoKnownAs |
Ben Johnson 100 metres disqualification
ⓘ
surface form:
1988 Olympic 100m doping scandal
Ben Johnson 100 metres disqualification ⓘ
surface form:
Ben Johnson doping scandal
|
| athleteNationality | Canadian ⓘ |
| bannedSubstance | stanozolol ⓘ |
| bannedSubstanceClass | anabolic steroid ⓘ |
| category |
1988 in athletics
ⓘ
Olympic Games controversies ⓘ doping cases in athletics ⓘ |
| chronology | late 20th century sports scandal ⓘ |
| competition | Olympic Games ⓘ |
| controversyType | performance-enhancing drugs ⓘ |
| dateOfDisqualification | 1988-09-27 ⓘ |
| dateOfRace | 1988-09-24 ⓘ |
| discipline | sprint ⓘ |
| distance | 100 metres ⓘ |
| editionOfGames |
XXIV Olympic Winter Games
ⓘ
surface form:
XXIV Olympiad
|
| finalMedalStatus | disqualified ⓘ |
| followedBy | reallocation of 100m medals ⓘ |
| governingBody |
World Athletics
ⓘ
surface form:
International Association of Athletics Federations
International Olympic Committee ⓘ |
| impact |
heightened public awareness of doping in sport
ⓘ
increased anti-doping measures in athletics ⓘ |
| involvesAthlete | Ben Johnson ⓘ |
| involvesCountry | Canada ⓘ |
| involvesEvent | men's 100 metres ⓘ |
| medalReassignedTo | Carl Lewis ⓘ |
| notableAs | one of the most high-profile doping cases in sports history ⓘ |
| originalMedal | gold ⓘ |
| originalTimeStatus | world record ⓘ |
| originalWinningTime | 9.79 seconds ⓘ |
| partOf | history of Olympic doping cases ⓘ |
| precededBy | Ben Johnson 100 metres final victory ⓘ |
| reasonForDisqualification | positive doping test ⓘ |
| result |
annulment of world record
ⓘ
stripping of gold medal ⓘ suspension from competition ⓘ |
| sampleResult | positive for anabolic steroids ⓘ |
| sampleType | urine ⓘ |
| sport | athletics ⓘ |
| testingMethod | urine test ⓘ |
| tookPlaceAt | 1988 Summer Olympics ⓘ |
| tookPlaceInCity | Seoul ⓘ |
| tookPlaceInCountry | South Korea ⓘ |
| year | 1988 ⓘ |
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: Ben Johnson 100 metres disqualification Description of subject: The Ben Johnson 100 metres disqualification refers to the infamous 1988 Olympic scandal in which Canadian sprinter Ben Johnson was stripped of his 100m gold medal after testing positive for anabolic steroids, becoming one of the most high-profile doping cases in sports history.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Ben Johnson doping scandal
this entity surface form:
1988 Olympic 100m doping scandal