Opekta
E296565
Opekta was a German-Dutch company that produced and sold pectin-based gelling agents for making jam, notably managed in its Amsterdam branch by Anne Frank’s father, Otto Frank.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Opekta canonical | 14 |
How this entity was disambiguated
This entity first appeared as the object of triple T2761934 — 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: Opekta Context triple: [Otto Frank, employer, Opekta]
-
A.
Fremulon
Fremulon is a television production company founded by Michael Schur, best known for producing acclaimed comedy series such as Brooklyn Nine-Nine.
-
B.
Versonnex
Versonnex is a small commune in the Ain department of eastern France, located near the Swiss border in the Pays de Gex region.
-
C.
Avenol
Avenol is a French surname most notably borne by Joseph Avenol, a former Secretary-General of the League of Nations.
-
D.
Balemartine
Balemartine is a small coastal village located on the island of Tiree in Scotland’s Inner Hebrides.
-
E.
Phenax
Phenax is a small genus of flowering plants in the hemp family Cannabaceae, native to the Americas and typically found in tropical to subtropical regions.
- 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: Opekta Target entity description: Opekta was a German-Dutch company that produced and sold pectin-based gelling agents for making jam, notably managed in its Amsterdam branch by Anne Frank’s father, Otto Frank.
-
A.
Fremulon
Fremulon is a television production company founded by Michael Schur, best known for producing acclaimed comedy series such as Brooklyn Nine-Nine.
-
B.
Versonnex
Versonnex is a small commune in the Ain department of eastern France, located near the Swiss border in the Pays de Gex region.
-
C.
Avenol
Avenol is a French surname most notably borne by Joseph Avenol, a former Secretary-General of the League of Nations.
-
D.
Balemartine
Balemartine is a small coastal village located on the island of Tiree in Scotland’s Inner Hebrides.
-
E.
Phenax
Phenax is a small genus of flowering plants in the hemp family Cannabaceae, native to the Americas and typically found in tropical to subtropical regions.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
company
ⓘ
food ingredient manufacturer ⓘ |
| associatedWith | Anne Frank House ⓘ |
| buildingNowHouses |
Anne Frank House museum
ⓘ
linked to:
Anne Frank House
|
| businessActivity |
production of pectin-based gelling agents
ⓘ
sale of pectin-based gelling agents ⓘ |
| countryOfBranch | Netherlands ⓘ |
| countryOfOrigin | Germany ⓘ |
| foundedIn | Germany ⓘ |
| hasBranchIn | Amsterdam ⓘ |
| hasHistoricalContext | World War II ⓘ |
| hasLanguageOfBusiness |
Dutch
ⓘ
German ⓘ |
| headquartersLocation | Cologne ⓘ |
| industry | food industry ⓘ |
| managerOfAmsterdamBranch | Otto Frank ⓘ |
| market |
Germany
ⓘ
Netherlands ⓘ |
| notableConnection | Anne Frank ⓘ |
| notableEmployee | Otto Frank ⓘ |
| officeLocation | Prinsengracht 263, Amsterdam ⓘ |
| product |
jam-making gelling agents
ⓘ
pectin ⓘ pectin-based gelling agents ⓘ |
| sharedBuildingWith | Pectacon ⓘ |
| timePeriod | 20th century ⓘ |
| typeOfBusiness | food additives company ⓘ |
| usedFor |
home canning
ⓘ
making jam ⓘ |
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: Opekta Description of subject: Opekta was a German-Dutch company that produced and sold pectin-based gelling agents for making jam, notably managed in its Amsterdam branch by Anne Frank’s father, Otto Frank.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.