HOCR
E181529
HOCR is the commonly used abbreviation for the Head of the Charles Regatta, a major annual rowing event held on the Charles River in Boston and Cambridge, Massachusetts.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HOCR canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1596048 — 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: HOCR Context triple: [Head of the Charles Regatta, alsoKnownAs, HOCR]
-
A.
OCR
OCR is the Office for Civil Rights, a U.S. government agency responsible for enforcing civil rights laws and ensuring equal access and non-discrimination in federally funded programs.
-
B.
Kurzweil OCR (optical character recognition) systems
Kurzweil OCR (optical character recognition) systems are pioneering software tools that convert printed text into digital, machine-readable form, widely used for document digitization and accessibility for the visually impaired.
-
C.
PostScript
PostScript is a page description and programming language widely used in desktop publishing and printing to precisely define the layout and appearance of text and graphics.
-
D.
Ghostscript
Ghostscript is a suite of software that interprets and renders PostScript and PDF files, widely used for document viewing, printing, and conversion.
-
E.
ISO 32000
ISO 32000 is the international standard that defines the specifications and requirements for the Portable Document Format (PDF).
- 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: HOCR Target entity description: HOCR is the commonly used abbreviation for the Head of the Charles Regatta, a major annual rowing event held on the Charles River in Boston and Cambridge, Massachusetts.
-
A.
OCR
OCR is the Office for Civil Rights, a U.S. government agency responsible for enforcing civil rights laws and ensuring equal access and non-discrimination in federally funded programs.
-
B.
Kurzweil OCR (optical character recognition) systems
Kurzweil OCR (optical character recognition) systems are pioneering software tools that convert printed text into digital, machine-readable form, widely used for document digitization and accessibility for the visually impaired.
-
C.
PostScript
PostScript is a page description and programming language widely used in desktop publishing and printing to precisely define the layout and appearance of text and graphics.
-
D.
Ghostscript
Ghostscript is a suite of software that interprets and renders PostScript and PDF files, widely used for document viewing, printing, and conversion.
-
E.
ISO 32000
ISO 32000 is the international standard that defines the specifications and requirements for the Portable Document Format (PDF).
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
rowing regatta
ⓘ
rowing regatta ⓘ sporting event ⓘ |
| abbreviationOf | Head of the Charles Regatta ⓘ |
| alsoKnownAs |
HOCR
ⓘ
Head of the Charles Regatta ⓘ |
| bodyOfWater | Charles River ⓘ |
| city |
Boston, Massachusetts
ⓘ
surface form:
Boston
Cambridge ⓘ |
| country | United States of America ⓘ |
| courseFinishLocation | Herter Park, Brighton ⓘ |
| courseLength |
approximately 3 miles
ⓘ
approximately 4.8 kilometers ⓘ |
| courseStartLocation |
Boston University DeWolfe Boathouse
ⓘ
surface form:
Boston University DeWolfe Boathouse area
|
| eventType | head race ⓘ |
| founded | 1965 ⓘ |
| founder |
D'Arcy MacMahon
ⓘ
Harvard University rowing alumni ⓘ J. Scott Thompson ⓘ |
| frequency | annual ⓘ |
| governingBody |
Head of the Charles Regatta
ⓘ
surface form:
Head Of The Charles Regatta, Inc.
|
| hasBoatClass |
coxed fours
ⓘ
coxless fours ⓘ double sculls ⓘ eights ⓘ quadruple sculls ⓘ single sculls ⓘ |
| hasCompetitionCategory |
club rowing
ⓘ
collegiate rowing ⓘ junior rowing ⓘ masters rowing ⓘ para rowing ⓘ |
| hasOfficialWebsite | https://www.hocr.org/ ⓘ |
| inauguralEventYear | 1965 ⓘ |
| locatedIn |
Boston, Massachusetts
ⓘ
Cambridge, Massachusetts ⓘ |
| location | Charles River ⓘ |
| notableFor |
challenging river course
ⓘ
large number of entries ⓘ large spectator attendance ⓘ |
| organizer |
Head of the Charles Regatta
ⓘ
surface form:
Head Of The Charles Regatta, Inc.
|
| region | New England ⓘ |
| riverFeature |
multiple bridges
ⓘ
sharp turns ⓘ |
| spectatorType |
international visitors
ⓘ
local spectators ⓘ |
| sport | rowing ⓘ |
| typicalMonthHeld | October ⓘ |
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: HOCR Description of subject: HOCR is the commonly used abbreviation for the Head of the Charles Regatta, a major annual rowing event held on the Charles River in Boston and Cambridge, Massachusetts.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Head of the Charles Regatta