Triple
T8726517
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union Station (Los Angeles) |
E207142
|
entity |
| Predicate | hasFeature |
P182
|
FINISHED |
| Object |
grand concourse
The grand concourse is the large, central hall of Los Angeles Union Station, known for its expansive space and distinctive blend of Spanish Colonial Revival and Art Deco architectural details.
|
E753327
|
NE FINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: grand concourse | Statement: [Union Station (Los Angeles), hasFeature, grand concourse]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: grand concourse Context triple: [Union Station (Los Angeles), hasFeature, grand concourse]
-
A.
grand concourse
The grand concourse is the vast central hall of Philadelphia’s 30th Street Station, known for its soaring ceilings, monumental columns, and Beaux-Arts architectural grandeur.
-
B.
Grand Central concourse
Grand Central concourse is the main indoor public space of Birmingham’s Grand Central complex, serving as a busy hub that links the shopping centre with Birmingham New Street railway station and the wider city centre pedestrian network.
-
C.
Rockefeller Center underground concourse
The Rockefeller Center underground concourse is a network of subterranean passageways and retail spaces in Midtown Manhattan that links Rockefeller Center’s buildings with nearby transit and surrounding areas.
-
D.
Concourse C
Concourse C is one of the passenger terminal concourses at Chicago Midway International Airport, serving various airline gates and amenities for travelers.
-
E.
Concourse C
Concourse C is one of the passenger terminal concourses at Dubai International Airport, serving a mix of international flights with boarding gates, lounges, and retail facilities.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: grand concourse Triple: [Union Station (Los Angeles), hasFeature, grand concourse]
Generated description
The grand concourse is the large, central hall of Los Angeles Union Station, known for its expansive space and distinctive blend of Spanish Colonial Revival and Art Deco architectural details.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: grand concourse Target entity description: The grand concourse is the large, central hall of Los Angeles Union Station, known for its expansive space and distinctive blend of Spanish Colonial Revival and Art Deco architectural details.
-
A.
grand concourse
The grand concourse is the vast central hall of Philadelphia’s 30th Street Station, known for its soaring ceilings, monumental columns, and Beaux-Arts architectural grandeur.
-
B.
Grand Central concourse
Grand Central concourse is the main indoor public space of Birmingham’s Grand Central complex, serving as a busy hub that links the shopping centre with Birmingham New Street railway station and the wider city centre pedestrian network.
-
C.
Rockefeller Center underground concourse
The Rockefeller Center underground concourse is a network of subterranean passageways and retail spaces in Midtown Manhattan that links Rockefeller Center’s buildings with nearby transit and surrounding areas.
-
D.
Concourse C
Concourse C is one of the passenger terminal concourses at Hartsfield–Jackson Atlanta International Airport, serving numerous domestic airline gates and amenities.
-
E.
Concourse C
Concourse C is one of the passenger terminal concourses at Seattle–Tacoma International Airport, serving various domestic airline gates and amenities.
- F. None of above. chosen
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69ca835811d8819081ea00fd2a2c9a1c |
completed | March 30, 2026, 2:06 p.m. |
| NER | Named-entity recognition | batch_69cc5d16cba881908e2a14b60ae65524 |
completed | March 31, 2026, 11:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cf2912c4e08190a147fc31db6788d1 |
completed | April 3, 2026, 2:42 a.m. |
| NEDg | Description generation | batch_69cf2bd42e6081908e016303eeb2241f |
completed | April 3, 2026, 2:54 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69cf2ce47b748190b883063dc3e5d16b |
completed | April 3, 2026, 2:58 a.m. |
Created at: March 30, 2026, 6:36 p.m.