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.