I-291
E885978
I-291 is a short auxiliary Interstate Highway in Massachusetts that connects Interstate 91 in Springfield to Interstate 90 (the Massachusetts Turnpike) near Chicopee.
All labels observed (1)
| Label | Occurrences |
|---|---|
| I-291 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T10789585 — 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: I-291 Context triple: [Interstate 291 (Massachusetts), abbreviation, I-291]
-
A.
I-210
I-210 is a designation used for auxiliary Interstate Highways in the United States, most notably freeway bypasses or beltways around major cities.
-
B.
I-294
I-294 is a major tollway in the Chicago metropolitan area that forms part of the Tri-State Tollway system, carrying heavy regional and interstate traffic around the city.
-
C.
I-26
I-26 is an east–west Interstate Highway in the southeastern United States that runs from Kingsport, Tennessee, through North Carolina and South Carolina to Charleston.
-
D.
I-278
I-278 is a major auxiliary Interstate Highway in New York City that connects several boroughs via routes such as the Bruckner, Brooklyn-Queens, and Staten Island expressways.
-
E.
I-235
I-235 is an auxiliary Interstate Highway that serves as a bypass route around Wichita, Kansas.
- 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: I-291 Target entity description: I-291 is a short auxiliary Interstate Highway in Massachusetts that connects Interstate 91 in Springfield to Interstate 90 (the Massachusetts Turnpike) near Chicopee.
-
A.
I-210
I-210 is a designation used for auxiliary Interstate Highways in the United States, most notably freeway bypasses or beltways around major cities.
-
B.
I-294
I-294 is a major tollway in the Chicago metropolitan area that forms part of the Tri-State Tollway system, carrying heavy regional and interstate traffic around the city.
-
C.
I-26
I-26 is an east–west Interstate Highway in the southeastern United States that runs from Kingsport, Tennessee, through North Carolina and South Carolina to Charleston.
-
D.
I-278
I-278 is a major auxiliary Interstate Highway in New York City that connects several boroughs via routes such as the Bruckner, Brooklyn-Queens, and Staten Island expressways.
-
E.
I-235
I-235 is an auxiliary Interstate Highway that serves as a bypass route around Wichita, Kansas.
- F. None of above. chosen
Statements (26)
| Predicate | Object |
|---|---|
| instanceOf |
Interstate Highway in Massachusetts
ⓘ
auxiliary Interstate Highway ⓘ |
| abbreviation | I-291 ⓘ |
| connectsTo |
Interstate 90
NERFINISHED
ⓘ
Interstate 91 NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| easternTerminus | Interstate 90 near Chicopee, Massachusetts NERFINISHED ⓘ |
| hasDirectionA | West ⓘ |
| hasDirectionB | East ⓘ |
| hasJunction |
Interstate 90 (Massachusetts Turnpike) near Chicopee, Massachusetts
NERFINISHED
ⓘ
Interstate 91 in Springfield, Massachusetts NERFINISHED ⓘ Massachusetts Route 141 in Springfield, Massachusetts NERFINISHED ⓘ Massachusetts Route 21 in Ludlow, Massachusetts NERFINISHED ⓘ U.S. Route 20 in Springfield, Massachusetts NERFINISHED ⓘ |
| isNumberedAfter | Interstate 290 NERFINISHED ⓘ |
| isNumberedBefore | Interstate 293 NERFINISHED ⓘ |
| isSpurOf | Interstate 91 NERFINISHED ⓘ |
| locatedInCounty | Hampden County, Massachusetts NERFINISHED ⓘ |
| maintainedBy | Massachusetts Department of Transportation ⓘ |
| partOf | Interstate Highway System NERFINISHED ⓘ |
| region | New England NERFINISHED ⓘ |
| routeNumber | 291 ⓘ |
| servesCity |
Chicopee, Massachusetts
NERFINISHED
ⓘ
Springfield, Massachusetts NERFINISHED ⓘ |
| state | Massachusetts ⓘ |
| westernTerminus | Interstate 91 in Springfield, Massachusetts 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: I-291 Description of subject: I-291 is a short auxiliary Interstate Highway in Massachusetts that connects Interstate 91 in Springfield to Interstate 90 (the Massachusetts Turnpike) near Chicopee.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Interstate 291 (Massachusetts)
subject surface form:
Interstate 291 (Massachusetts)