Triple

T17252335
Position Surface form Disambiguated ID Type / Status
Subject Penn Valley, Pennsylvania E418785 entity
Predicate nearestRegionalRailStation P4625 FINISHED
Object Narberth station
Narberth station is a SEPTA Regional Rail stop on the Paoli/Thorndale Line serving the borough of Narberth and nearby communities in the Philadelphia suburbs.
E1259875 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: Narberth station | Statement: [Penn Valley, Pennsylvania, nearestRegionalRailStation, Narberth station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Narberth station
Context triple: [Penn Valley, Pennsylvania, nearestRegionalRailStation, Narberth station]
  • A. Narberth railway station
    Narberth railway station is a small rural stop on the West Wales Line in Pembrokeshire, Wales, serving the town of Narberth with regional rail services.
  • B. Haverfordwest railway station
    Haverfordwest railway station is a key passenger rail stop serving the town of Haverfordwest in Pembrokeshire, Wales.
  • C. Carmarthen railway station
    Carmarthen railway station is a key rail hub in west Wales serving the town of Carmarthen with regional and intercity connections.
  • D. Barmouth railway station
    Barmouth railway station is a coastal train station in Gwynedd, Wales, providing passenger rail services to the seaside town of Barmouth on the Cambrian Coast Line.
  • E. Tywyn Wharf railway station
    Tywyn Wharf railway station is the main station and visitor hub of the historic narrow-gauge Talyllyn Railway in Gwynedd, Wales.
  • 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: Narberth station
Triple: [Penn Valley, Pennsylvania, nearestRegionalRailStation, Narberth station]
Generated description
Narberth station is a SEPTA Regional Rail stop on the Paoli/Thorndale Line serving the borough of Narberth and nearby communities in the Philadelphia suburbs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Narberth station
Target entity description: Narberth station is a SEPTA Regional Rail stop on the Paoli/Thorndale Line serving the borough of Narberth and nearby communities in the Philadelphia suburbs.
  • A. Narberth railway station
    Narberth railway station is a small rural stop on the West Wales Line in Pembrokeshire, Wales, serving the town of Narberth with regional rail services.
  • B. Haverfordwest railway station
    Haverfordwest railway station is a key passenger rail stop serving the town of Haverfordwest in Pembrokeshire, Wales.
  • C. Carmarthen railway station
    Carmarthen railway station is a key rail hub in west Wales serving the town of Carmarthen with regional and intercity connections.
  • D. Barmouth railway station
    Barmouth railway station is a coastal train station in Gwynedd, Wales, providing passenger rail services to the seaside town of Barmouth on the Cambrian Coast Line.
  • E. Tywyn Wharf railway station
    Tywyn Wharf railway station is the main station and visitor hub of the historic narrow-gauge Talyllyn Railway in Gwynedd, Wales.
  • 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_69d886d9ab108190b70edd8d17aa1204 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e42e694f788190a1c86e95264ed2fe completed April 19, 2026, 1:22 a.m.
NED1 Entity disambiguation (via context triple) batch_6a017942ae108190ac6ec61514ba58b4 completed May 11, 2026, 6:37 a.m.
NEDg Description generation batch_6a0179c9ba48819087532aecec8c0340 completed May 11, 2026, 6:40 a.m.
NED2 Entity disambiguation (via description) batch_6a017ac2fe848190a3a585cd2fd1a05b completed May 11, 2026, 6:44 a.m.
Created at: April 10, 2026, 5:39 a.m.