Depot of Charts and Instruments
E181326
Depot of Charts and Instruments was the early U.S. Navy office responsible for collecting, producing, and distributing nautical charts and navigational instruments, which later evolved into the United States Naval Observatory.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Depot of Charts and Instruments canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1601890 — 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: Depot of Charts and Instruments Context triple: [United States Naval Observatory, originalName, Depot of Charts and Instruments]
-
A.
Bachet depot
Bachet depot is a major tram maintenance and storage facility serving the public transport system in Geneva, Switzerland.
-
B.
Carnide depot
Carnide depot is a maintenance and storage facility serving the Lisbon Metro system in Lisbon, Portugal.
-
C.
Treasures Gallery
Treasures Gallery is a permanent exhibition space at the British Library showcasing some of the institution’s most historically and culturally significant manuscripts, books, and artifacts.
-
D.
Bibliotheca
Bibliotheca is an ancient Greek mythographical handbook traditionally attributed to Apollodorus that compiles and summarizes a wide range of Greek myths and heroic legends.
-
E.
Carpenter station
Carpenter station is a regional rail stop in Philadelphia, Pennsylvania, served by SEPTA’s Chestnut Hill West Line.
- 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: Depot of Charts and Instruments Target entity description: Depot of Charts and Instruments was the early U.S. Navy office responsible for collecting, producing, and distributing nautical charts and navigational instruments, which later evolved into the United States Naval Observatory.
-
A.
Bachet depot
Bachet depot is a major tram maintenance and storage facility serving the public transport system in Geneva, Switzerland.
-
B.
Carnide depot
Carnide depot is a maintenance and storage facility serving the Lisbon Metro system in Lisbon, Portugal.
-
C.
Treasures Gallery
Treasures Gallery is a permanent exhibition space at the British Library showcasing some of the institution’s most historically and culturally significant manuscripts, books, and artifacts.
-
D.
Bibliotheca
Bibliotheca is an ancient Greek mythographical handbook traditionally attributed to Apollodorus that compiles and summarizes a wide range of Greek myths and heroic legends.
-
E.
Carpenter station
Carpenter station is a regional rail stop in Philadelphia, Pennsylvania, served by SEPTA’s Chestnut Hill West Line.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
United States Navy organization
ⓘ
hydrographic office ⓘ |
| contributedTo |
development of U.S. naval navigation standards
ⓘ
establishment of the United States Naval Observatory ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| field |
cartography
ⓘ
hydrography ⓘ navigation ⓘ |
| foundedBy | United States Navy ⓘ |
| hasMainFunction |
collection of nautical charts
ⓘ
distribution of nautical charts ⓘ maintenance of navigational instruments ⓘ production of nautical charts ⓘ provision of navigational instruments ⓘ support of naval navigation ⓘ |
| hasRole |
central repository for U.S. Navy charts
ⓘ
provider of navigational data to U.S. naval vessels ⓘ |
| locatedIn |
Washington Navy Yard
ⓘ
Washington, D.C. ⓘ |
| operatedBy | United States Navy ⓘ |
| partOf | Department of the Navy ⓘ |
| predecessorOf |
United States Hydrographic Office
ⓘ
surface form:
U.S. Naval Observatory and Hydrographic Office
United States Naval Observatory, Washington, D.C. ⓘ
surface form:
United States Naval Observatory
|
| reorganizedAs |
United States Hydrographic Office
ⓘ
United States Naval Observatory, Washington, D.C. ⓘ
surface form:
United States Naval Observatory
|
| status | defunct ⓘ |
| successor |
United States Hydrographic Office
ⓘ
United States Naval Observatory, Washington, D.C. ⓘ
surface form:
United States Naval Observatory
|
| timePeriod | 19th century ⓘ |
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: Depot of Charts and Instruments Description of subject: Depot of Charts and Instruments was the early U.S. Navy office responsible for collecting, producing, and distributing nautical charts and navigational instruments, which later evolved into the United States Naval Observatory.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
United States Naval Observatory, Washington, D.C.
→
originalName
→
Depot of Charts and Instruments
ⓘ
subject surface form:
United States Naval Observatory