Triple
T17296152
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Llanuwchllyn |
E419914
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Bala Lake Railway |
E253179
|
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: Bala Lake Railway | Statement: [Llanuwchllyn, servedBy, Bala Lake Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bala Lake Railway Context triple: [Llanuwchllyn, servedBy, Bala Lake Railway]
-
A.
Bala Lake Railway
chosen
Bala Lake Railway is a narrow-gauge heritage railway in Gwynedd, Wales, that runs along the southern shore of Llyn Tegid (Bala Lake), offering scenic tourist rides on historic trains.
-
B.
Mangfall Valley Railway
The Mangfall Valley Railway is a regional rail line in Bavaria, Germany, running through the Mangfall Valley and connecting several towns between Holzkirchen and Rosenheim.
-
C.
Murgtal Railway
The Murgtal Railway is a scenic railway line in southwestern Germany that runs through the Murg Valley in the Black Forest, linking towns such as Rastatt with the surrounding region.
-
D.
Bombala railway line
The Bombala railway line is a rural branch railway in New South Wales, Australia, that historically connected Canberra and surrounding regions to the broader state rail network.
-
E.
Kangra Valley Railway
Kangra Valley Railway is a narrow-gauge mountain railway in Himachal Pradesh, India, known for its scenic route through the Himalayan foothills and its status as a historic engineering feat.
- 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_69d886db32608190a61e18862c5a8af6 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e437875b208190bcf0df2ded546257 |
completed | April 19, 2026, 2:01 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a018c425b2081909f1e339f9c2e9cc7 |
completed | May 11, 2026, 7:58 a.m. |
Created at: April 10, 2026, 5:40 a.m.