Mattress Firm Amphitheatre
E737089
Mattress Firm Amphitheatre was a former corporate-sponsored name of the large outdoor concert venue now known as North Island Credit Union Amphitheatre in Chula Vista, California.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mattress Firm Amphitheatre canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T8464618 — 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: Mattress Firm Amphitheatre Context triple: [North Island Credit Union Amphitheatre, formerName, Mattress Firm Amphitheatre]
-
A.
Kimmel Pavilion
Kimmel Pavilion is a state-of-the-art inpatient hospital building at NYU Langone Health in New York City, designed to provide advanced, patient-centered medical care.
-
B.
Memorial Amphitheater
Memorial Amphitheater is a grand ceremonial structure at Arlington National Cemetery that serves as a central site for national memorial services and military honors, including those at the Tomb of the Unknown Soldier.
-
C.
Azura Amphitheater
Azura Amphitheater is a large outdoor concert venue in Bonner Springs, Kansas, known for hosting major live music performances and events.
-
D.
First Security Amphitheater
First Security Amphitheater is an outdoor performance venue in downtown Little Rock, Arkansas, known for hosting concerts and community events along the Arkansas River.
-
E.
Credit Union 1 Amphitheater
Credit Union 1 Amphitheater is an outdoor concert and events venue in Tinley Park, Illinois, known for hosting major touring artists and large-scale live performances.
- 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: Mattress Firm Amphitheatre Target entity description: Mattress Firm Amphitheatre was a former corporate-sponsored name of the large outdoor concert venue now known as North Island Credit Union Amphitheatre in Chula Vista, California.
-
A.
Kimmel Pavilion
Kimmel Pavilion is a state-of-the-art inpatient hospital building at NYU Langone Health in New York City, designed to provide advanced, patient-centered medical care.
-
B.
Memorial Amphitheater
Memorial Amphitheater is a grand ceremonial structure at Arlington National Cemetery that serves as a central site for national memorial services and military honors, including those at the Tomb of the Unknown Soldier.
-
C.
Azura Amphitheater
Azura Amphitheater is a large outdoor concert venue in Bonner Springs, Kansas, known for hosting major live music performances and events.
-
D.
First Security Amphitheater
First Security Amphitheater is an outdoor performance venue in downtown Little Rock, Arkansas, known for hosting concerts and community events along the Arkansas River.
-
E.
Credit Union 1 Amphitheater
Credit Union 1 Amphitheater is an outdoor concert and events venue in Tinley Park, Illinois, known for hosting major touring artists and large-scale live performances.
- F. None of above. chosen
Statements (20)
| Predicate | Object |
|---|---|
| instanceOf |
corporate-sponsored venue name
ⓘ
former name ⓘ |
| alsoKnownFor | being a former corporate-sponsored name ⓘ |
| appliesTo | North Island Credit Union Amphitheatre ⓘ |
| associatedWithCity | Chula Vista ⓘ |
| associatedWithCounty | San Diego County ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| hasCorporateNamingRightsSponsor | Mattress Firm ⓘ |
| languageOfName | English ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Chula Vista, California ⓘ
linked to:
Chula Vista
United States ⓘ
linked to:
United States of America
|
| nameOf | large outdoor concert venue ⓘ |
| partOf | San Diego metropolitan area ⓘ |
| predecessorNameOf | North Island Credit Union Amphitheatre ⓘ |
| replacedByName | North Island Credit Union Amphitheatre ⓘ |
| sponsor | Mattress Firm ⓘ |
| usedFor |
concerts
ⓘ
live music events ⓘ |
| venueType | outdoor concert venue ⓘ |
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: Mattress Firm Amphitheatre Description of subject: Mattress Firm Amphitheatre was a former corporate-sponsored name of the large outdoor concert venue now known as North Island Credit Union Amphitheatre in Chula Vista, California.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.