Washington State Convention Center expansion (Seattle Convention Center Summit)
E211948
The Washington State Convention Center expansion, known as the Seattle Convention Center Summit, is a major downtown Seattle convention facility addition that significantly increases the city’s meeting and event capacity with a large, modern, and architecturally prominent venue.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Washington State Convention Center expansion (Seattle Convention Center Summit) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1909428 — 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: Washington State Convention Center expansion (Seattle Convention Center Summit) Context triple: [LMN Architects, notableWork, Washington State Convention Center expansion (Seattle Convention Center Summit)]
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A.
Washington Plaza Hotel (Seattle)
Washington Plaza Hotel (Seattle) is a modernist high-rise hotel in downtown Seattle designed by the architectural firm John Graham & Company.
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B.
Seafirst Building (Seattle)
The Seafirst Building in Seattle is a prominent modernist high-rise office tower that long served as a major financial and corporate hub in the city’s downtown skyline.
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C.
Portland Expo Center
The Portland Expo Center is a large multi-purpose exhibition and event venue in Portland, Oregon, hosting trade shows, conventions, consumer events, and community gatherings.
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D.
Henry J. Kaiser Convention Center
The Henry J. Kaiser Convention Center is a historic multi-purpose event and performance venue in Oakland, California, known for hosting concerts, civic gatherings, and community events.
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E.
Mercer Island Community and Event Center
Mercer Island Community and Event Center is a public facility on Mercer Island, Washington that hosts recreational programs, community gatherings, and special events for local residents.
- 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: Washington State Convention Center expansion (Seattle Convention Center Summit) Target entity description: The Washington State Convention Center expansion, known as the Seattle Convention Center Summit, is a major downtown Seattle convention facility addition that significantly increases the city’s meeting and event capacity with a large, modern, and architecturally prominent venue.
-
A.
Washington Plaza Hotel (Seattle)
Washington Plaza Hotel (Seattle) is a modernist high-rise hotel in downtown Seattle designed by the architectural firm John Graham & Company.
-
B.
Seafirst Building (Seattle)
The Seafirst Building in Seattle is a prominent modernist high-rise office tower that long served as a major financial and corporate hub in the city’s downtown skyline.
-
C.
Portland Expo Center
The Portland Expo Center is a large multi-purpose exhibition and event venue in Portland, Oregon, hosting trade shows, conventions, consumer events, and community gatherings.
-
D.
Henry J. Kaiser Convention Center
The Henry J. Kaiser Convention Center is a historic multi-purpose event and performance venue in Oakland, California, known for hosting concerts, civic gatherings, and community events.
-
E.
Mercer Island Community and Event Center
Mercer Island Community and Event Center is a public facility on Mercer Island, Washington that hosts recreational programs, community gatherings, and special events for local residents.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
building
ⓘ
convention center expansion project ⓘ meeting and event venue ⓘ |
| addsCapacityTo | Seattle convention and meeting market ⓘ |
| alsoKnownAs |
SCC Summit building
ⓘ
Washington State Convention Center expansion ⓘ |
| architectureFirm | LMN Architects ⓘ |
| ballroomSpace | approximately 60000 square feet ⓘ |
| buildingType | convention center ⓘ |
| city | Seattle ⓘ |
| connectedBy | pedestrian improvements and wayfinding to the Arch building ⓘ |
| constructionCost | 2000000000 USD ⓘ |
| constructionStartDate | 2018 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| designedBy | LMN Architects ⓘ |
| developmentType | urban infill project ⓘ |
| exhibitSpace | approximately 250000 square feet ⓘ |
| features |
ballrooms
ⓘ
large exhibition halls ⓘ meeting rooms ⓘ pre-function spaces ⓘ rooftop terrace ⓘ street-level retail space ⓘ underground parking ⓘ |
| function |
host conventions
ⓘ
host meetings ⓘ host special events ⓘ host trade shows ⓘ |
| fundedBy | public-private financing mechanisms ⓘ |
| impact |
enables Seattle to host larger conventions and events
ⓘ
supports tourism and hospitality industry in Seattle ⓘ |
| locatedIn |
Seattle, Washington, United States
ⓘ
downtown Seattle ⓘ |
| locatedInNeighborhood | Denny Triangle ⓘ |
| meetingRoomCount | more than 60 meeting rooms ⓘ |
| notableFor |
architecturally prominent glass facade
ⓘ
large, modern design ⓘ significant increase in Seattle’s meeting and event capacity ⓘ |
| openingDate | 2023-01-25 ⓘ |
| operatedBy | Seattle Convention Center ⓘ |
| ownedBy | Washington State Convention Center Public Facilities District ⓘ |
| partOf | Seattle Convention Center ⓘ |
| relationToExistingFacility | expansion of the original Arch building of the Washington State Convention Center ⓘ |
| separatedFrom | original Arch building by Interstate 5 ⓘ |
| state | Washington ⓘ |
| streetAddress | 900 Pine Street, Seattle, Washington ⓘ |
| totalArea | approximately 573000 square feet of event space ⓘ |
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: Washington State Convention Center expansion (Seattle Convention Center Summit) Description of subject: The Washington State Convention Center expansion, known as the Seattle Convention Center Summit, is a major downtown Seattle convention facility addition that significantly increases the city’s meeting and event capacity with a large, modern, and architecturally prominent venue.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
LMN Architects
→
notableWork
→
Washington State Convention Center expansion (Seattle Convention Center Summit)
ⓘ