Triple

T5560827
Position Surface form Disambiguated ID Type / Status
Subject Keystone Service E145760 entity
Predicate primaryCorridor P3034 FINISHED
Object Harrisburg–Philadelphia–New York City
Harrisburg–Philadelphia–New York City is a major intercity rail corridor in the northeastern United States linking Pennsylvania’s capital with Philadelphia and New York City.
E532325 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: Harrisburg–Philadelphia–New York City | Statement: [Keystone Service, primaryCorridor, Harrisburg–Philadelphia–New York City]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Harrisburg–Philadelphia–New York City
Context triple: [Keystone Service, primaryCorridor, Harrisburg–Philadelphia–New York City]
  • A. 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.
  • B. New York City–Washington, D.C.
    New York City–Washington, D.C. refers to the heavily traveled, fully electrified segment of the Northeast Corridor rail line connecting the two major East Coast cities.
  • C. Trenton–Camden
    Trenton–Camden is a key urban corridor in New Jersey linking the state capital of Trenton with the city of Camden along the Delaware River.
  • D. Trenton metropolitan area
    The Trenton metropolitan area is an urban region centered on Trenton, New Jersey, encompassing the city and its surrounding communities as a hub of government, commerce, and residential life in central New Jersey.
  • E. Philadelphia–Camden–Wilmington metropolitan statistical area
    The Philadelphia–Camden–Wilmington metropolitan statistical area is a major multi-state urban and suburban region centered on Philadelphia, spanning parts of Pennsylvania, New Jersey, Delaware, and Maryland and serving as a key economic and cultural hub of the Mid-Atlantic.
  • 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: Harrisburg–Philadelphia–New York City
Triple: [Keystone Service, primaryCorridor, Harrisburg–Philadelphia–New York City]
Generated description
Harrisburg–Philadelphia–New York City is a major intercity rail corridor in the northeastern United States linking Pennsylvania’s capital with Philadelphia and New York City.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Harrisburg–Philadelphia–New York City
Target entity description: Harrisburg–Philadelphia–New York City is a major intercity rail corridor in the northeastern United States linking Pennsylvania’s capital with Philadelphia and New York City.
  • A. 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.
  • B. New York City–Washington, D.C.
    New York City–Washington, D.C. refers to the heavily traveled, fully electrified segment of the Northeast Corridor rail line connecting the two major East Coast cities.
  • C. Trenton–Camden
    Trenton–Camden is a key urban corridor in New Jersey linking the state capital of Trenton with the city of Camden along the Delaware River.
  • D. Trenton metropolitan area
    The Trenton metropolitan area is an urban region centered on Trenton, New Jersey, encompassing the city and its surrounding communities as a hub of government, commerce, and residential life in central New Jersey.
  • E. Philadelphia–Camden–Wilmington metropolitan statistical area
    The Philadelphia–Camden–Wilmington metropolitan statistical area is a major multi-state urban and suburban region centered on Philadelphia, spanning parts of Pennsylvania, New Jersey, Delaware, and Maryland and serving as a key economic and cultural hub of the Mid-Atlantic.
  • 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_69c008fcaf788190bafa02a1917ee73b completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c0201857848190a5443b51bcdb63fa completed March 22, 2026, 5 p.m.
NED1 Entity disambiguation (via context triple) batch_69c028424ddc8190869b530a8eb43f50 completed March 22, 2026, 5:34 p.m.
NEDg Description generation batch_69c0349f64c0819083b39d8b7960a393 completed March 22, 2026, 6:27 p.m.
NED2 Entity disambiguation (via description) batch_69c0354e95808190b4386e2796291dba completed March 22, 2026, 6:30 p.m.
Created at: March 22, 2026, 3:36 p.m.