Steffi Graf
E611368
Steffi Graf is a German former professional tennis player widely regarded as one of the greatest in history, known for winning 22 Grand Slam singles titles and achieving a calendar-year Golden Slam in 1988.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Steffi Graf canonical | 5 |
| Steffi Graf 1988 season | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6611712 — 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: Steffi Graf Context triple: [Martina Navratilova, notableRival, Steffi Graf]
-
A.
Chris Evert
Chris Evert is an American former world No. 1 tennis player renowned for her exceptional consistency, baseline game, and multiple Grand Slam singles titles during the 1970s and 1980s.
-
B.
Anna Kournikova
Anna Kournikova is a former Russian professional tennis player and model who gained worldwide fame in the late 1990s and early 2000s for both her on-court success in doubles and her high-profile media presence.
-
C.
Martina Navratilova
Martina Navratilova is a legendary Czech-American tennis player widely regarded as one of the greatest in the sport’s history, known for her record number of Wimbledon singles titles and pioneering athletic longevity.
-
D.
Pam Shriver
Pam Shriver is a former American professional tennis player best known for her Grand Slam doubles titles and long-standing partnership with Martina Navratilova.
-
E.
Venus Williams
Venus Williams is an American professional tennis player renowned for her powerful game, multiple Grand Slam titles, and pioneering impact on equal prize money and representation in women’s tennis.
- 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: Steffi Graf Target entity description: Steffi Graf is a German former professional tennis player widely regarded as one of the greatest in history, known for winning 22 Grand Slam singles titles and achieving a calendar-year Golden Slam in 1988.
-
A.
Chris Evert
Chris Evert is an American former world No. 1 tennis player renowned for her exceptional consistency, baseline game, and multiple Grand Slam singles titles during the 1970s and 1980s.
-
B.
Anna Kournikova
Anna Kournikova is a former Russian professional tennis player and model who gained worldwide fame in the late 1990s and early 2000s for both her on-court success in doubles and her high-profile media presence.
-
C.
Martina Navratilova
Martina Navratilova is a legendary Czech-American tennis player widely regarded as one of the greatest in the sport’s history, known for her record number of Wimbledon singles titles and pioneering athletic longevity.
-
D.
Pam Shriver
Pam Shriver is a former American professional tennis player best known for her Grand Slam doubles titles and long-standing partnership with Martina Navratilova.
-
E.
Venus Williams
Venus Williams is an American professional tennis player renowned for her powerful game, multiple Grand Slam titles, and pioneering impact on equal prize money and representation in women’s tennis.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
German tennis player
ⓘ
human ⓘ tennis player ⓘ |
| backhand | one-handed backhand ⓘ |
| calendarYearGoldenSlam | 1988 ⓘ |
| careerGrandSlamSinglesTitles | 22 ⓘ |
| coach | Peter Graf NERFINISHED ⓘ |
| countryOfCitizenship | Germany ⓘ |
| dateOfBirth | 1969-06-14 ⓘ |
| era | Open Era NERFINISHED ⓘ |
| familyName | Graf NERFINISHED ⓘ |
| father | Peter Graf NERFINISHED ⓘ |
| fullName | Stefanie Maria Graf NERFINISHED ⓘ |
| gender | female ⓘ |
| givenName | Stefanie NERFINISHED ⓘ |
| grandSlamSinglesTitles |
Australian Open
NERFINISHED
ⓘ
French Open NERFINISHED ⓘ US Open NERFINISHED ⓘ Wimbledon NERFINISHED ⓘ |
| hallOfFameInduction | International Tennis Hall of Fame NERFINISHED ⓘ |
| hallOfFameInductionYear | 2004 ⓘ |
| handedness | right-handed ⓘ |
| marriageDate | 2001-10-22 ⓘ |
| mother | Heidi Graf NERFINISHED ⓘ |
| nationality | German ⓘ |
| notableAchievement |
first and only player to achieve a calendar-year Golden Slam in singles
ⓘ
won all four Grand Slam singles titles at least four times each ⓘ |
| numberOfChildren | 2 ⓘ |
| olympicBronzeMedal | 1992 Barcelona Olympics, women’s singles ⓘ |
| olympicGoldMedal | 1988 Seoul Olympics, women’s singles ⓘ |
| olympicSilverMedal | 1988 Seoul Olympics, women’s doubles NERFINISHED ⓘ |
| placeOfBirth | Mannheim, West Germany NERFINISHED ⓘ |
| plays | forehand dominant baseline game ⓘ |
| residence | Las Vegas, Nevada, United States NERFINISHED ⓘ |
| retired | 1999 ⓘ |
| sport | tennis ⓘ |
| spouse | Andre Agassi NERFINISHED ⓘ |
| spouseOccupation | professional tennis player ⓘ |
| turnedPro | 1982 ⓘ |
| weeksAtNo1WTA | 377 ⓘ |
| yearEndNo1Rankings |
1987
ⓘ
1988 ⓘ 1989 ⓘ 1990 ⓘ 1993 ⓘ 1994 ⓘ 1995 ⓘ 1996 ⓘ |
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: Steffi Graf Description of subject: Steffi Graf is a German former professional tennis player widely regarded as one of the greatest in history, known for winning 22 Grand Slam singles titles and achieving a calendar-year Golden Slam in 1988.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Steffi Graf 1988 season