Triple

T16125131
Position Surface form Disambiguated ID Type / Status
Subject Havertown, Pennsylvania E391247 entity
Predicate hasStation P35 FINISHED
Object Penfield station (NHSL)
Penfield station (NHSL) is a local stop on SEPTA’s Norristown High Speed Line serving the suburban community of Havertown, Pennsylvania.
 E1196300 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: Penfield station (NHSL) | Statement: [Havertown, Pennsylvania, hasStation, Penfield station (NHSL)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Penfield station (NHSL)
Context triple: [Havertown, Pennsylvania, hasStation, Penfield station (NHSL)]
  • A. Mattituck station
    Mattituck station is a Long Island Rail Road stop in Mattituck, New York, serving passengers traveling along eastern Long Island.
  • B. Silver Hill station
    Silver Hill station is a small commuter rail stop in Weston, Massachusetts, serving the MBTA Fitchburg Line.
  • C. Porter station
    Porter station is a major MBTA transit hub in Cambridge, Massachusetts, serving both Red Line subway and commuter rail trains beneath Porter Square.
  • D. Lyndhurst station
    Lyndhurst station is a commuter rail stop in Lyndhurst, New Jersey, serving passengers on NJ Transit’s Main Line.
  • E. Freeport station
    Freeport station is a Long Island Rail Road commuter rail stop in Freeport, New York, serving passengers on the Babylon Branch.
  • 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: Penfield station (NHSL)
Triple: [Havertown, Pennsylvania, hasStation, Penfield station (NHSL)]
Generated description
Penfield station (NHSL) is a local stop on SEPTA’s Norristown High Speed Line serving the suburban community of Havertown, Pennsylvania.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Penfield station (NHSL)
Target entity description: Penfield station (NHSL) is a local stop on SEPTA’s Norristown High Speed Line serving the suburban community of Havertown, Pennsylvania.
  • A. Mattituck station
    Mattituck station is a Long Island Rail Road stop in Mattituck, New York, serving passengers traveling along eastern Long Island.
  • B. Silver Hill station
    Silver Hill station is a small commuter rail stop in Weston, Massachusetts, serving the MBTA Fitchburg Line.
  • C. Porter station
    Porter station is a major MBTA transit hub in Cambridge, Massachusetts, serving both Red Line subway and commuter rail trains beneath Porter Square.
  • D. Lyndhurst station
    Lyndhurst station is a commuter rail stop in Lyndhurst, New Jersey, serving passengers on NJ Transit’s Main Line.
  • E. Freeport station
    Freeport station is a Long Island Rail Road commuter rail stop in Freeport, New York, serving passengers on the Babylon Branch.
  • 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_69d87f1bb0988190b490d273dbf3fd03 completed April 10, 2026, 4:39 a.m.
NER Named-entity recognition batch_69e2020408a88190bf3dfc893d577c55 completed April 17, 2026, 9:48 a.m.
NED1 Entity disambiguation (via context triple) batch_69fff2abf9b08190a375abc842a0e7d0 completed May 10, 2026, 2:51 a.m.
NEDg Description generation batch_69fff35ded288190b4d261358f1661cb completed May 10, 2026, 2:54 a.m.
NED2 Entity disambiguation (via description) batch_69fff3f2760c8190a58fedc2798614ae completed May 10, 2026, 2:56 a.m.
Created at: April 10, 2026, 5 a.m.