Triple

T143455
Position Surface form Disambiguated ID Type / Status
Subject SEPTA Regional Rail E2901 entity
Predicate hasLine P35 FINISHED
Object West Trenton Line
The West Trenton Line is a commuter rail service in the Philadelphia region that connects Center City to West Trenton, New Jersey, as part of SEPTA's Regional Rail network.
E30820 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: West Trenton Line | Statement: [SEPTA Regional Rail, hasLine, West Trenton Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: West Trenton Line
Context triple: [SEPTA Regional Rail, hasLine, West Trenton Line]
  • A. Trenton Line
    Trenton Line is a commuter rail service in the Philadelphia region operated by SEPTA Regional Rail, connecting Center City Philadelphia with Trenton, New Jersey.
  • B. Camden Line
    The Camden Line is a commuter rail service in Maryland that connects Washington, D.C. with Baltimore and surrounding communities as part of the MARC Train system.
  • C. Paoli/Thorndale Line
    The Paoli/Thorndale Line is a major commuter rail route in the Philadelphia region that runs west from Center City to Paoli and Thorndale, serving numerous suburban communities along the former Pennsylvania Railroad Main Line.
  • D. Pelham Line
    The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
  • E. Lansdale/Doylestown Line
    The Lansdale/Doylestown Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities in Montgomery and Bucks counties.
  • 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: West Trenton Line
Triple: [SEPTA Regional Rail, hasLine, West Trenton Line]
Generated description
The West Trenton Line is a commuter rail service in the Philadelphia region that connects Center City to West Trenton, New Jersey, as part of SEPTA's Regional Rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: West Trenton Line
Target entity description: The West Trenton Line is a commuter rail service in the Philadelphia region that connects Center City to West Trenton, New Jersey, as part of SEPTA's Regional Rail network.
  • A. Trenton Line
    Trenton Line is a commuter rail service in the Philadelphia region operated by SEPTA Regional Rail, connecting Center City Philadelphia with Trenton, New Jersey.
  • B. Camden Line
    The Camden Line is a commuter rail service in Maryland that connects Washington, D.C. with Baltimore and surrounding communities as part of the MARC Train system.
  • C. Paoli/Thorndale Line
    The Paoli/Thorndale Line is a major commuter rail route in the Philadelphia region that runs west from Center City to Paoli and Thorndale, serving numerous suburban communities along the former Pennsylvania Railroad Main Line.
  • D. Pelham Line
    The Pelham Line is a New York City Subway route in the Bronx and Manhattan, operated by the IRT division and primarily served by the 6 train.
  • E. Lansdale/Doylestown Line
    The Lansdale/Doylestown Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities in Montgomery and Bucks counties.
  • 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_69a2521e35c08190b28e5c9f1e3c9b59 completed Feb. 28, 2026, 2:25 a.m.
NER Named-entity recognition batch_69a257caf678819092e975d5167f9df4 completed Feb. 28, 2026, 2:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69a3672af4fc8190a99265c93181be5d completed Feb. 28, 2026, 10:07 p.m.
NEDg Description generation batch_69a367aa62f481908414358a21667187 completed Feb. 28, 2026, 10:09 p.m.
NED2 Entity disambiguation (via description) batch_69a3686970ac81908ba7efe90feb26fd completed Feb. 28, 2026, 10:12 p.m.
Created at: Feb. 28, 2026, 2:31 a.m.