Triple

T1274638
Position Surface form Disambiguated ID Type / Status
Subject Keystone Corridor E15785 entity
Predicate terminus P388 FINISHED
Object Harrisburg Transportation Center
Harrisburg Transportation Center is a historic intermodal transit hub in Harrisburg, Pennsylvania, serving as a major Amtrak rail station and local bus center.
 E150580 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 Transportation Center | Statement: [Keystone Corridor, terminus, Harrisburg Transportation Center]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Harrisburg Transportation Center
Context triple: [Keystone Corridor, terminus, Harrisburg Transportation Center]
  • A. Trenton Transit Center
    Trenton Transit Center is a major intermodal transportation hub in Trenton, New Jersey, serving NJ Transit, Amtrak, SEPTA, and local bus connections.
  • B. Hatboro station
    Hatboro station is a SEPTA Regional Rail stop in Hatboro, Pennsylvania, serving commuters on the Warminster Line to and from central Philadelphia.
  • C. Latrobe Amtrak station
    Latrobe Amtrak station is a passenger rail station in Latrobe, Pennsylvania, served by Amtrak’s Pennsylvanian route between Pittsburgh and New York City.
  • D. Temple University station
    Temple University station is a major SEPTA Regional Rail hub in North Philadelphia serving multiple commuter lines and providing access to Temple University's main campus.
  • E. North Philadelphia station
    North Philadelphia station is a transit stop in North Philadelphia, Pennsylvania, serving passengers on SEPTA’s Broad Street Line subway.
  • 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 Transportation Center
Triple: [Keystone Corridor, terminus, Harrisburg Transportation Center]
Generated description
Harrisburg Transportation Center is a historic intermodal transit hub in Harrisburg, Pennsylvania, serving as a major Amtrak rail station and local bus center.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Harrisburg Transportation Center
Target entity description: Harrisburg Transportation Center is a historic intermodal transit hub in Harrisburg, Pennsylvania, serving as a major Amtrak rail station and local bus center.
  • A. Trenton Transit Center
    Trenton Transit Center is a major intermodal transportation hub in Trenton, New Jersey, serving NJ Transit, Amtrak, SEPTA, and local bus connections.
  • B. Hatboro station
    Hatboro station is a SEPTA Regional Rail stop in Hatboro, Pennsylvania, serving commuters on the Warminster Line to and from central Philadelphia.
  • C. Latrobe Amtrak station
    Latrobe Amtrak station is a passenger rail station in Latrobe, Pennsylvania, served by Amtrak’s Pennsylvanian route between Pittsburgh and New York City.
  • D. Temple University station
    Temple University station is a major SEPTA Regional Rail hub in North Philadelphia serving multiple commuter lines and providing access to Temple University's main campus.
  • E. North Philadelphia station
    North Philadelphia station is a transit stop in North Philadelphia, Pennsylvania, serving passengers on SEPTA’s Broad Street Line subway.
  • 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_69a4935a94308190bb92555b79032824 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4c06ee22081908141868b57596e35 completed March 1, 2026, 10:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69acbae45da48190832dd8d74fdb217a completed March 7, 2026, 11:55 p.m.
NEDg Description generation batch_69acbb53e93c819091b111c86090b843 completed March 7, 2026, 11:57 p.m.
NED2 Entity disambiguation (via description) batch_69acbbfee7e88190b216beef1c862f64 completed March 7, 2026, 11:59 p.m.
Created at: March 1, 2026, 7:50 p.m.