Triple

T1495614
Position Surface form Disambiguated ID Type / Status
Subject Jefferson Station E29677 entity
Predicate serves P98 FINISHED
Object SEPTA West Trenton Line
The SEPTA 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.
E221485 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: SEPTA West Trenton Line | Statement: [Jefferson Station, serves, SEPTA West Trenton Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: SEPTA West Trenton Line
Context triple: [Jefferson Station, serves, SEPTA West Trenton Line]
  • A. SEPTA Broad Street Line
    The SEPTA Broad Street Line is a rapid transit subway line running primarily along Broad Street in Philadelphia, providing north–south service through the city’s central corridor.
  • B. Manayunk/Norristown Line
    The Manayunk/Norristown Line is a commuter rail route in the Philadelphia region that runs along the Schuylkill River, connecting Center City Philadelphia with Manayunk, Norristown, and surrounding suburbs.
  • C. SEPTA Market–Frankford Line
    The SEPTA Market–Frankford Line is a major rapid transit route in Philadelphia that runs east–west across the city, connecting key neighborhoods and commercial districts.
  • D. 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.
  • E. Fairmount Line
    The Fairmount Line is a commuter rail service in the Boston area that connects South Station with neighborhoods in Dorchester, Mattapan, and Hyde Park.
  • 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: SEPTA West Trenton Line
Triple: [Jefferson Station, serves, SEPTA West Trenton Line]
Generated description
The SEPTA 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: SEPTA West Trenton Line
Target entity description: The SEPTA 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. SEPTA Broad Street Line
    The SEPTA Broad Street Line is a rapid transit subway line running primarily along Broad Street in Philadelphia, providing north–south service through the city’s central corridor.
  • B. Manayunk/Norristown Line
    The Manayunk/Norristown Line is a commuter rail route in the Philadelphia region that runs along the Schuylkill River, connecting Center City Philadelphia with Manayunk, Norristown, and surrounding suburbs.
  • C. SEPTA Market–Frankford Line
    The SEPTA Market–Frankford Line is a major rapid transit route in Philadelphia that runs east–west across the city, connecting key neighborhoods and commercial districts.
  • D. 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.
  • E. Fairmount Line
    The Fairmount Line is a commuter rail service in the Boston area that connects South Station with neighborhoods in Dorchester, Mattapan, and Hyde Park.
  • 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_69a498dba1d8819093b46a3a8d2485f1 completed March 1, 2026, 7:51 p.m.
NER Named-entity recognition batch_69a4c6ec70c48190a94f6e1002848eae completed March 1, 2026, 11:08 p.m.
NED1 Entity disambiguation (via context triple) batch_69ae02fafaac81908da419946e5a279d completed March 8, 2026, 11:15 p.m.
NEDg Description generation batch_69ae039a7c948190b8b4b4c2045007d3 completed March 8, 2026, 11:17 p.m.
NED2 Entity disambiguation (via description) batch_69ae04253a80819092c112faddec1de1 completed March 8, 2026, 11:20 p.m.
Created at: March 1, 2026, 8:12 p.m.