Triple
T164893
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Broadway Limited |
E2991
|
entity |
| Predicate | route |
P5619
|
FINISHED |
| Object |
New York–Philadelphia–Pittsburgh–Chicago
New York–Philadelphia–Pittsburgh–Chicago is a major intercity rail corridor linking the U.S. East Coast with the Midwest through several of the nation’s largest cities.
|
E20920
|
NE FINISHED |
How this triple was built (5 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: New York–Philadelphia–Pittsburgh–Chicago | Statement: [Broadway Limited, route, New York–Philadelphia–Pittsburgh–Chicago]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: New York–Philadelphia–Pittsburgh–Chicago Context triple: [Broadway Limited, route, New York–Philadelphia–Pittsburgh–Chicago]
-
A.
Pittsburgh–Chicago route
The Pittsburgh–Chicago route was a major Pennsylvania Railroad passenger and freight corridor linking the industrial centers of Pittsburgh, Pennsylvania, and Chicago, Illinois.
-
B.
Philadelphia metropolitan area
The Philadelphia metropolitan area is a major U.S. urban region centered on the city of Philadelphia, encompassing its surrounding suburbs and economic, cultural, and educational hubs.
-
C.
Pittsburgh region
The Pittsburgh region is a historically significant industrial area in western Pennsylvania, long known as a major center of steel production and manufacturing.
-
D.
Pittsburgh, Pennsylvania
Pittsburgh, Pennsylvania is a major U.S. city in western Pennsylvania known for its historic steel industry, numerous bridges, and strong educational and technology sectors.
-
E.
Philadelphia
Philadelphia is a major historic U.S. city in Pennsylvania known for its role in the American Revolution, iconic landmarks like Independence Hall and the Liberty Bell, and its rich cultural and academic institutions.
- 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: New York–Philadelphia–Pittsburgh–Chicago Triple: [Broadway Limited, route, New York–Philadelphia–Pittsburgh–Chicago]
Generated description
New York–Philadelphia–Pittsburgh–Chicago is a major intercity rail corridor linking the U.S. East Coast with the Midwest through several of the nation’s largest cities.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: New York–Philadelphia–Pittsburgh–Chicago Target entity description: New York–Philadelphia–Pittsburgh–Chicago is a major intercity rail corridor linking the U.S. East Coast with the Midwest through several of the nation’s largest cities.
-
A.
Pittsburgh–Chicago route
The Pittsburgh–Chicago route was a major Pennsylvania Railroad passenger and freight corridor linking the industrial centers of Pittsburgh, Pennsylvania, and Chicago, Illinois.
-
B.
Philadelphia metropolitan area
The Philadelphia metropolitan area is a major U.S. urban region centered on the city of Philadelphia, encompassing its surrounding suburbs and economic, cultural, and educational hubs.
-
C.
Pittsburgh region
The Pittsburgh region is a historically significant industrial area in western Pennsylvania, long known as a major center of steel production and manufacturing.
-
D.
Pittsburgh, Pennsylvania
Pittsburgh, Pennsylvania is a major U.S. city in western Pennsylvania known for its historic steel industry, numerous bridges, and strong educational and technology sectors.
-
E.
Philadelphia
Philadelphia is a major historic U.S. city in Pennsylvania known for its role in the American Revolution, iconic landmarks like Independence Hall and the Liberty Bell, and its rich cultural and academic institutions.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: route Context triple: [Broadway Limited, route, New York–Philadelphia–Pittsburgh–Chicago]
-
A.
routeNumber
Indicates the specific identifying number assigned to a route within a transportation or delivery network.
-
B.
followsRouteOf
Indicates that one entity travels along the same path or route that another entity takes or has taken.
-
C.
runway
Indicates a relationship where a runway serves as the takeoff and landing surface used by aircraft at an airport or airfield.
-
D.
range
Indicates that a value, property, or effect extends between specified limits or over a specified interval or scope.
-
E.
roadFeature
Indicates that an entity is a specific physical or functional characteristic associated with a road, such as its structure, markings, or related infrastructure.
- F. None of above. chosen
Provenance (7 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_69a2524ce1e48190ab066bf72859f474 |
completed | Feb. 28, 2026, 2:26 a.m. |
| NER | Named-entity recognition | batch_69a258827da481909b20ea5e9d21676f |
completed | Feb. 28, 2026, 2:52 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a2e0f6b8908190b4eec4a34e9447db |
completed | Feb. 28, 2026, 12:35 p.m. |
| NEDg | Description generation | batch_69a2e159e06c81908ff90fa780904507 |
completed | Feb. 28, 2026, 12:36 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2e211746c8190807cacec282883f5 |
completed | Feb. 28, 2026, 12:39 p.m. |
| PD | Predicate disambiguation | batch_69a25664ba8081908ac298511a9fc5ba |
completed | Feb. 28, 2026, 2:43 a.m. |
| PDg | Predicate description generation | batch_69a256eb46ec81909c730000e5041d0d |
completed | Feb. 28, 2026, 2:46 a.m. |
Created at: Feb. 28, 2026, 2:34 a.m.