Triple

T5831602
Position Surface form Disambiguated ID Type / Status
Subject Market East Station E129361 entity
Predicate connectsTo P845 FINISHED
Object SEPTA Broad–Ridge Spur
The SEPTA Broad–Ridge Spur is a short branch of Philadelphia’s Broad Street Line subway that provides local rapid transit service between Center City and North Philadelphia.
E550828 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 Broad–Ridge Spur | Statement: [Market East Station, connectsTo, SEPTA Broad–Ridge Spur]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: SEPTA Broad–Ridge Spur
Context triple: [Market East Station, connectsTo, SEPTA Broad–Ridge Spur]
  • A. 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.
  • B. SEPTA Trenton Line
    The SEPTA Trenton Line is a commuter rail service in the Philadelphia region that connects Center City Philadelphia with Trenton, New Jersey as part of SEPTA's Regional Rail network.
  • C. 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.
  • D. SEPTA Fox Chase Line
    The SEPTA Fox Chase Line is a commuter rail service in the Philadelphia area that connects Center City with the Fox Chase neighborhood in Northeast Philadelphia.
  • E. 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.
  • 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 Broad–Ridge Spur
Triple: [Market East Station, connectsTo, SEPTA Broad–Ridge Spur]
Generated description
The SEPTA Broad–Ridge Spur is a short branch of Philadelphia’s Broad Street Line subway that provides local rapid transit service between Center City and North Philadelphia.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: SEPTA Broad–Ridge Spur
Target entity description: The SEPTA Broad–Ridge Spur is a short branch of Philadelphia’s Broad Street Line subway that provides local rapid transit service between Center City and North Philadelphia.
  • A. 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.
  • B. SEPTA Trenton Line
    The SEPTA Trenton Line is a commuter rail service in the Philadelphia region that connects Center City Philadelphia with Trenton, New Jersey as part of SEPTA's Regional Rail network.
  • C. 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.
  • D. SEPTA Fox Chase Line
    The SEPTA Fox Chase Line is a commuter rail service in the Philadelphia area that connects Center City with the Fox Chase neighborhood in Northeast Philadelphia.
  • E. 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.
  • 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_69c00849d55481908b4f9f5543e0bf6d completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c0346ac31c8190bbd28444f75da875 completed March 22, 2026, 6:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0a19010008190af5600a035246c1a completed March 23, 2026, 2:12 a.m.
NEDg Description generation batch_69c0a223129081908288d90f7cf51668 completed March 23, 2026, 2:14 a.m.
NED2 Entity disambiguation (via description) batch_69c0a294ba748190a86ec8400df73237 completed March 23, 2026, 2:16 a.m.
Created at: March 22, 2026, 3:54 p.m.