Triple

T10912215
Position Surface form Disambiguated ID Type / Status
Subject Llangollen Railway E257728 entity
Predicate hasStation P35 FINISHED
Object Llangollen railway station
Llangollen railway station is a preserved heritage railway station in Llangollen, Wales, serving as the main terminus and visitor hub of the Llangollen Railway.
E892760 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: Llangollen railway station | Statement: [Llangollen Railway, hasStation, Llangollen railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Llangollen railway station
Context triple: [Llangollen Railway, hasStation, Llangollen railway station]
  • A. Llanrwst railway station
    Llanrwst railway station is a small rural stop on the Conwy Valley Line in North Wales, serving the town of Llanrwst with regional rail connections.
  • B. Llanuwchllyn station
    Llanuwchllyn station is a heritage railway terminus in Gwynedd, Wales, serving as the main base and headquarters of the narrow-gauge Bala Lake Railway.
  • C. Conwy railway station
    Conwy railway station is a small stop on the North Wales Coast Line serving the historic walled town of Conwy in Wales.
  • D. North Wales station
    North Wales station is a commuter rail stop in North Wales, Pennsylvania, served by SEPTA Regional Rail.
  • E. Caernarfon station
    Caernarfon station is the northern terminus and main passenger station of the heritage Welsh Highland Railway in Caernarfon, 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: Llangollen railway station
Triple: [Llangollen Railway, hasStation, Llangollen railway station]
Generated description
Llangollen railway station is a preserved heritage railway station in Llangollen, Wales, serving as the main terminus and visitor hub of the Llangollen Railway.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Llangollen railway station
Target entity description: Llangollen railway station is a preserved heritage railway station in Llangollen, Wales, serving as the main terminus and visitor hub of the Llangollen Railway.
  • A. Llanrwst railway station
    Llanrwst railway station is a small rural stop on the Conwy Valley Line in North Wales, serving the town of Llanrwst with regional rail connections.
  • B. Llanuwchllyn station
    Llanuwchllyn station is a heritage railway terminus in Gwynedd, Wales, serving as the main base and headquarters of the narrow-gauge Bala Lake Railway.
  • C. Conwy railway station
    Conwy railway station is a small stop on the North Wales Coast Line serving the historic walled town of Conwy in Wales.
  • D. North Wales station
    North Wales station is a commuter rail stop in North Wales, Pennsylvania, served by SEPTA Regional Rail.
  • E. Caernarfon station
    Caernarfon station is the northern terminus and main passenger station of the heritage Welsh Highland Railway in Caernarfon, 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_69d6aa864ed88190818280ab6791d065 completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d770723df08190bedfdc94d998f969 completed April 9, 2026, 9:25 a.m.
NED1 Entity disambiguation (via context triple) batch_69e155550e388190bd441ac3a9dde435 completed April 16, 2026, 9:32 p.m.
NEDg Description generation batch_69e1801eaa048190a5e8822b3da1077c completed April 17, 2026, 12:34 a.m.
NED2 Entity disambiguation (via description) batch_69e1831f8a6c819084bde8f71371cf8e completed April 17, 2026, 12:47 a.m.
Created at: April 8, 2026, 9:22 p.m.