SLSDC
E25897
SLSDC is a U.S. federal agency responsible for operating and maintaining the American portion of the Saint Lawrence Seaway, a key commercial shipping route between the Great Lakes and the Atlantic Ocean.
All labels observed (1)
| Label | Occurrences |
|---|---|
| SLSDC canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T202630 — 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: SLSDC Context triple: [Saint Lawrence Seaway Development Corporation, hasAbbreviation, SLSDC]
-
A.
SLD
SLD was a particle physics experiment at the SLAC Linear Collider that made precision measurements of electroweak interactions, including properties of the Z boson.
-
B.
SLV
SLV is the three-letter ISO 3166-1 alpha-3 country code assigned to El Salvador.
-
C.
LAS
LAS is the commonly used abbreviation for the Arab League, a regional organization of Arab countries in and around North Africa, the Horn of Africa, and the Middle East.
-
D.
SAS
SAS is the School of Arts and Sciences at the University of Pennsylvania, encompassing the university’s core liberal arts and sciences departments and programs.
-
E.
SAS
SAS is a widely used statistical software suite for advanced analytics, business intelligence, data management, and predictive modeling.
- 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: SLSDC Target entity description: SLSDC is a U.S. federal agency responsible for operating and maintaining the American portion of the Saint Lawrence Seaway, a key commercial shipping route between the Great Lakes and the Atlantic Ocean.
-
A.
SLD
SLD was a particle physics experiment at the SLAC Linear Collider that made precision measurements of electroweak interactions, including properties of the Z boson.
-
B.
SLV
SLV is the three-letter ISO 3166-1 alpha-3 country code assigned to El Salvador.
-
C.
LAS
LAS is the commonly used abbreviation for the Arab League, a regional organization of Arab countries in and around North Africa, the Horn of Africa, and the Middle East.
-
D.
SAS
SAS is the School of Arts and Sciences at the University of Pennsylvania, encompassing the university’s core liberal arts and sciences departments and programs.
-
E.
SAS
SAS is a widely used statistical software suite for advanced analytics, business intelligence, data management, and predictive modeling.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
United States federal agency
ⓘ
government organization ⓘ |
| abbreviation | SLSDC self-link ⓘ |
| collaboratesWith |
Canadian federal agencies
ⓘ
St. Lawrence Seaway Management Corporation ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| ensures |
availability of lock and channel infrastructure for shipping
ⓘ
reliability of the U.S. portion of the Saint Lawrence Seaway ⓘ safety of navigation on the U.S. portion of the Saint Lawrence Seaway ⓘ |
| focusesOn |
commercial shipping
ⓘ
international trade ⓘ |
| fullName | Saint Lawrence Seaway Development Corporation ⓘ |
| governedBy | United States federal law ⓘ |
| hasActivity |
channel dredging and maintenance
ⓘ
infrastructure modernization projects ⓘ lock operation ⓘ navigation safety management ⓘ trade and cargo movement facilitation ⓘ |
| headquartersLocation | Washington, D.C. ⓘ |
| industry |
shipping
ⓘ
water transportation ⓘ |
| jurisdiction |
United States government
ⓘ
surface form:
United States federal government
|
| language | English ⓘ |
| legalForm | wholly owned U.S. government corporation ⓘ |
| locatedIn | Washington, D.C. ⓘ |
| operatesIn |
Great Lakes–St. Lawrence system
ⓘ
surface form:
Great Lakes–St. Lawrence Seaway System
Great Lakes–St. Lawrence system ⓘ
surface form:
Saint Lawrence Seaway
|
| parentAgency | United States Department of Transportation ⓘ |
| partOf | Great Lakes–St. Lawrence Seaway System governance ⓘ |
| purpose |
to ensure safe and efficient navigation on the U.S. portion of the Saint Lawrence Seaway
ⓘ
to support commercial shipping between the Great Lakes and the Atlantic Ocean ⓘ |
| regionServed |
Atlantic Ocean access to the Great Lakes
ⓘ
Great Lakes region ⓘ Saint Lawrence River ⓘ |
| responsibleFor |
locks and channels on the U.S. portion of the Saint Lawrence Seaway
ⓘ
maintenance of the U.S. portion of the Saint Lawrence Seaway ⓘ navigation infrastructure on the U.S. portion of the Saint Lawrence Seaway ⓘ operation of the U.S. portion of the Saint Lawrence Seaway ⓘ trade facilitation on the Saint Lawrence Seaway ⓘ |
| sector |
infrastructure management
ⓘ
maritime transportation ⓘ |
| transportCorridor |
Great Lakes–St. Lawrence system
ⓘ
surface form:
Great Lakes–Atlantic Ocean shipping route
|
| usesWaterway |
Great Lakes
ⓘ
Saint Lawrence River ⓘ Great Lakes–St. Lawrence system ⓘ
surface form:
St. Lawrence Seaway
|
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: SLSDC Description of subject: SLSDC is a U.S. federal agency responsible for operating and maintaining the American portion of the Saint Lawrence Seaway, a key commercial shipping route between the Great Lakes and the Atlantic Ocean.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.