Triple

T7767592
Position Surface form Disambiguated ID Type / Status
Subject St. Martins station E178987 entity
Predicate hasStationCode P1289 FINISHED
Object Philadelphia St. Martins (SEPTA)
Philadelphia St. Martins (SEPTA) is a regional rail station in the Chestnut Hill neighborhood of Philadelphia, Pennsylvania, served by SEPTA’s Chestnut Hill West Line.
 E689287 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: Philadelphia St. Martins (SEPTA) | Statement: [St. Martins station, hasStationCode, Philadelphia St. Martins (SEPTA)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Philadelphia St. Martins (SEPTA)
Context triple: [St. Martins station, hasStationCode, Philadelphia St. Martins (SEPTA)]
  • 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. SEPTA Chestnut Hill East Line
    The SEPTA Chestnut Hill East Line is a commuter rail service in the Philadelphia area that runs between Center City and the Chestnut Hill neighborhood as part of SEPTA’s Regional Rail network.
  • C. 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.
  • D. SEPTA Warminster Line
    The SEPTA Warminster Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities to the north, terminating in Warminster, Pennsylvania.
  • 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: Philadelphia St. Martins (SEPTA)
Triple: [St. Martins station, hasStationCode, Philadelphia St. Martins (SEPTA)]
Generated description
Philadelphia St. Martins (SEPTA) is a regional rail station in the Chestnut Hill neighborhood of Philadelphia, Pennsylvania, served by SEPTA’s Chestnut Hill West Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Philadelphia St. Martins (SEPTA)
Target entity description: Philadelphia St. Martins (SEPTA) is a regional rail station in the Chestnut Hill neighborhood of Philadelphia, Pennsylvania, served by SEPTA’s Chestnut Hill West 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. SEPTA Chestnut Hill East Line
    The SEPTA Chestnut Hill East Line is a commuter rail service in the Philadelphia area that runs between Center City and the Chestnut Hill neighborhood as part of SEPTA’s Regional Rail network.
  • C. 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.
  • D. SEPTA Warminster Line
    The SEPTA Warminster Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities to the north, terminating in Warminster, Pennsylvania.
  • 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_69c69f30602c819082ab52cd4af5c592 completed March 27, 2026, 3:16 p.m.
NER Named-entity recognition batch_69c70435b7f88190a5e68e6ae701c58f completed March 27, 2026, 10:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8f30ecf808190a19d57a814d45a42 completed March 29, 2026, 9:38 a.m.
NEDg Description generation batch_69c8f3deabac8190b3da7a941375eea6 completed March 29, 2026, 9:41 a.m.
NED2 Entity disambiguation (via description) batch_69c8f49af9c88190a88408ac19136daf completed March 29, 2026, 9:44 a.m.
Created at: March 27, 2026, 4:11 p.m.