Alex O’Brien
E1400748
UNEXPLORED
Alex O’Brien is a former American professional tennis player best known for reaching the world No. 1 ranking in doubles and winning the 1999 US Open men’s doubles title.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Alex O’Brien canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T18757218 — 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: Alex O’Brien Context triple: [Stanford Cardinal men’s tennis, notableAlumnus, Alex O’Brien]
-
A.
Dan O'Brien
Dan O'Brien is a former American decathlete and Olympic gold medalist widely regarded as one of the greatest decathletes in history.
-
B.
Nick O'Brien
Nick O'Brien is a hard-edged, morally ambiguous Los Angeles County Sheriff's detective who leads an elite unit in the crime thriller film "Den of Thieves."
-
C.
Graham O'Brien
Graham O'Brien is a companion of the Thirteenth Doctor in the long-running British science fiction television series Doctor Who.
-
D.
Steve O'Brien
Steve O'Brien is an individual known primarily as the sibling of Jack O'Brien.
-
E.
Dion O’Leary
Dion O’Leary is the central protagonist of the 1937 historical drama film "In Old Chicago," which dramatizes events leading up to the Great Chicago Fire of 1871.
- 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: Alex O’Brien Target entity description: Alex O’Brien is a former American professional tennis player best known for reaching the world No. 1 ranking in doubles and winning the 1999 US Open men’s doubles title.
-
A.
Dan O'Brien
Dan O'Brien is a former American decathlete and Olympic gold medalist widely regarded as one of the greatest decathletes in history.
-
B.
Nick O'Brien
Nick O'Brien is a hard-edged, morally ambiguous Los Angeles County Sheriff's detective who leads an elite unit in the crime thriller film "Den of Thieves."
-
C.
Graham O'Brien
Graham O'Brien is a companion of the Thirteenth Doctor in the long-running British science fiction television series Doctor Who.
-
D.
Steve O'Brien
Steve O'Brien is an individual known primarily as the sibling of Jack O'Brien.
-
E.
Dion O’Leary
Dion O’Leary is the central protagonist of the 1937 historical drama film "In Old Chicago," which dramatizes events leading up to the Great Chicago Fire of 1871.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.