Triple

T2156901
Position Surface form Disambiguated ID Type / Status
Subject Ffestiniog Railway E47909 entity
Predicate terminus P388 FINISHED
Object Porthmadog E57826 NE FINISHED

How this triple was built (2 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: Porthmadog | Statement: [Ffestiniog Railway, terminus, Porthmadog]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Porthmadog
Context triple: [Ffestiniog Railway, terminus, Porthmadog]
  • A. Porthmadog chosen
    Porthmadog is a coastal town in Gwynedd, Wales, known as a gateway to Snowdonia and for its historic harbour and heritage railways.
  • B. Pwllheli
    Pwllheli is a coastal market town and popular seaside resort on the Llŷn Peninsula in Gwynedd, northwest Wales.
  • C. Porthcawl
    Porthcawl is a seaside town in South Wales known for its sandy beaches, promenade, and popular holiday resorts.
  • D. Barmouth
    Barmouth is a seaside town and popular holiday resort on the west coast of Wales, known for its sandy beach and scenic location at the mouth of the Mawddach Estuary.
  • E. Narberth
    Narberth is a small market town in southwest Wales known for its independent shops, arts scene, and historic castle remains.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69a88a1d1fd8819088b34990d69a712f completed March 4, 2026, 7:38 p.m.
NER Named-entity recognition batch_69abbe67d6888190b8d3c07527c8f80e completed March 7, 2026, 5:58 a.m.
NED1 Entity disambiguation (via context triple) batch_69b28d7afe8c81908eda4fd11abcb476 completed March 12, 2026, 9:55 a.m.
Created at: March 4, 2026, 7:44 p.m.