Head of the River Amstel (rowing race)
E631992
Head of the River Amstel is a long-distance rowing regatta held annually on Amsterdam’s Amstel River, attracting competitive rowing clubs from the Netherlands and abroad.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Head of the River Amstel (rowing race) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6952555 — 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: Head of the River Amstel (rowing race) Context triple: [Amstel, hasEvent, Head of the River Amstel (rowing race)]
-
A.
North Sea Regatta
The North Sea Regatta is a major annual sailing competition held off the coast of Scheveningen in the Netherlands, attracting a wide range of national and international racing classes.
-
B.
Marlow Regatta
Marlow Regatta is a major annual rowing regatta held on the River Thames, attracting competitive crews from clubs, schools, and universities.
-
C.
Stotesbury Cup Regatta
The Stotesbury Cup Regatta is one of the oldest and largest high school rowing competitions in the world, held annually on Philadelphia’s Schuylkill River.
-
D.
Henley Royal Regatta
Henley Royal Regatta is a historic and prestigious annual rowing event held on the River Thames in England, attracting elite crews from around the world.
-
E.
Bridge to Bridge rowing races
Bridge to Bridge rowing races are a series of competitive rowing events held on Lake Burley Griffin in Canberra, typically run between prominent bridges along the lake.
- 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: Head of the River Amstel (rowing race) Target entity description: Head of the River Amstel is a long-distance rowing regatta held annually on Amsterdam’s Amstel River, attracting competitive rowing clubs from the Netherlands and abroad.
-
A.
North Sea Regatta
The North Sea Regatta is a major annual sailing competition held off the coast of Scheveningen in the Netherlands, attracting a wide range of national and international racing classes.
-
B.
Marlow Regatta
Marlow Regatta is a major annual rowing regatta held on the River Thames, attracting competitive crews from clubs, schools, and universities.
-
C.
Stotesbury Cup Regatta
The Stotesbury Cup Regatta is one of the oldest and largest high school rowing competitions in the world, held annually on Philadelphia’s Schuylkill River.
-
D.
Henley Royal Regatta
Henley Royal Regatta is a historic and prestigious annual rowing event held on the River Thames in England, attracting elite crews from around the world.
-
E.
Bridge to Bridge rowing races
Bridge to Bridge rowing races are a series of competitive rowing events held on Lake Burley Griffin in Canberra, typically run between prominent bridges along the lake.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
rowing regatta
ⓘ
sporting event ⓘ |
| alsoKnownAs | Head of the River NERFINISHED ⓘ |
| attractsCompetitorsFrom |
Netherlands
NERFINISHED
ⓘ
abroad ⓘ |
| city | Amsterdam ⓘ |
| country | Netherlands ⓘ |
| distanceType | head race ⓘ |
| eventType | long-distance rowing race ⓘ |
| frequency | annual ⓘ |
| hasBoatClass |
eights
ⓘ
fours ⓘ pairs ⓘ single sculls ⓘ |
| hasCategory |
junior
ⓘ
masters ⓘ men ⓘ women ⓘ |
| hasCompetitionFormat | time trial ⓘ |
| hasCountryFlag | Netherlands NERFINISHED ⓘ |
| hasCourseCharacteristic | downstream ⓘ |
| hasCourseEnvironment | urban waterway ⓘ |
| hasDiscipline |
sculling
ⓘ
sweep rowing ⓘ |
| hasNotableFeature | long-distance head race on Amstel River ⓘ |
| hasOrganisingCity | Amsterdam NERFINISHED ⓘ |
| hasSpectators | yes ⓘ |
| hasTiming | early spring ⓘ |
| isMajorEventIn | Dutch rowing calendar ⓘ |
| isOpenTo |
club crews
ⓘ
international crews ⓘ university crews ⓘ |
| language | Dutch ⓘ |
| location |
Amstel River
NERFINISHED
ⓘ
Amsterdam NERFINISHED ⓘ |
| participants |
Dutch rowing clubs
ⓘ
international rowing clubs ⓘ rowing clubs ⓘ |
| sport | rowing ⓘ |
| surface | river ⓘ |
| waterBody | Amstel River 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: Head of the River Amstel (rowing race) Description of subject: Head of the River Amstel is a long-distance rowing regatta held annually on Amsterdam’s Amstel River, attracting competitive rowing clubs from the Netherlands and abroad.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.