Triple

T1495618
Position Surface form Disambiguated ID Type / Status
Subject Jefferson Station E29677 entity
Predicate serves P98 FINISHED
Object SEPTA Cynwyd Line
The SEPTA Cynwyd Line is a short commuter rail line in the Philadelphia area that runs between Center City and Cynwyd in Montgomery County.
E232606 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 Cynwyd Line | Statement: [Jefferson Station, serves, SEPTA Cynwyd Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: SEPTA Cynwyd Line
Context triple: [Jefferson Station, serves, SEPTA Cynwyd Line]
  • A. SEPTA Paoli/Thorndale Line
    The SEPTA Paoli/Thorndale Line is a major commuter rail route in the Philadelphia region that runs between Center City and western suburbs including Paoli and Thorndale.
  • B. 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.
  • C. SEPTA Wilmington/Newark Line
    The SEPTA Wilmington/Newark Line is a regional rail service connecting Philadelphia with Wilmington, Delaware and Newark, Delaware, providing commuter and intercity transit along the Northeast Corridor.
  • D. 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.
  • E. 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.
  • 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 Cynwyd Line
Triple: [Jefferson Station, serves, SEPTA Cynwyd Line]
Generated description
The SEPTA Cynwyd Line is a short commuter rail line in the Philadelphia area that runs between Center City and Cynwyd in Montgomery County.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: SEPTA Cynwyd Line
Target entity description: The SEPTA Cynwyd Line is a short commuter rail line in the Philadelphia area that runs between Center City and Cynwyd in Montgomery County.
  • A. SEPTA Paoli/Thorndale Line
    The SEPTA Paoli/Thorndale Line is a major commuter rail route in the Philadelphia region that runs between Center City and western suburbs including Paoli and Thorndale.
  • B. 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.
  • C. SEPTA Wilmington/Newark Line
    The SEPTA Wilmington/Newark Line is a regional rail service connecting Philadelphia with Wilmington, Delaware and Newark, Delaware, providing commuter and intercity transit along the Northeast Corridor.
  • D. 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.
  • E. 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.
  • 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_69ae26de62d48190849540112614ccce completed March 9, 2026, 1:48 a.m.
NEDg Description generation batch_69ae2763b4b08190b733e8342a52f75e completed March 9, 2026, 1:50 a.m.
NED2 Entity disambiguation (via description) batch_69ae27d10bf08190a14fa1ca906646f8 completed March 9, 2026, 1:52 a.m.
Created at: March 1, 2026, 8:12 p.m.