Triple
T13868384
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dolgarrog |
E333387
|
entity |
| Predicate | hasHistoricEvent |
P259
|
FINISHED |
| Object |
Dolgarrog dam disaster
The Dolgarrog dam disaster was a catastrophic 1925 dam failure in the village of Dolgarrog, Wales, that caused a deadly flood and led to major changes in British dam safety regulations.
|
E1066675
|
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: Dolgarrog dam disaster | Statement: [Dolgarrog, hasHistoricEvent, Dolgarrog dam disaster]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dolgarrog dam disaster Context triple: [Dolgarrog, hasHistoricEvent, Dolgarrog dam disaster]
-
A.
Tryweryn flooding
Tryweryn flooding refers to the controversial 1960s inundation of the Welsh village of Capel Celyn to create a reservoir for supplying water to Liverpool, which became a powerful symbol of Welsh nationalism and political protest.
-
B.
Tay Bridge disaster
The Tay Bridge disaster was a catastrophic 1879 railway bridge collapse in Scotland during a violent storm, killing dozens of passengers and prompting major changes in bridge engineering and safety standards.
-
C.
1953 Tangiwai disaster
The 1953 Tangiwai disaster was one of New Zealand’s worst railway tragedies, in which a passenger train plunged into the Whangaehu River after a lahar destroyed the Tangiwai rail bridge on Christmas Eve.
-
D.
Trotternish landslip
The Trotternish landslip is a dramatic, ancient landslide formation on the Isle of Skye in Scotland, renowned for its striking cliffs, pinnacles, and otherworldly landscapes.
-
E.
The Staggerford Flood
The Staggerford Flood is a novel by Iris Rainer Dart, best known for its portrayal of small-town life and interpersonal relationships in the wake of a devastating flood.
- 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: Dolgarrog dam disaster Triple: [Dolgarrog, hasHistoricEvent, Dolgarrog dam disaster]
Generated description
The Dolgarrog dam disaster was a catastrophic 1925 dam failure in the village of Dolgarrog, Wales, that caused a deadly flood and led to major changes in British dam safety regulations.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Dolgarrog dam disaster Target entity description: The Dolgarrog dam disaster was a catastrophic 1925 dam failure in the village of Dolgarrog, Wales, that caused a deadly flood and led to major changes in British dam safety regulations.
-
A.
Tryweryn flooding
Tryweryn flooding refers to the controversial 1960s inundation of the Welsh village of Capel Celyn to create a reservoir for supplying water to Liverpool, which became a powerful symbol of Welsh nationalism and political protest.
-
B.
Tay Bridge disaster
The Tay Bridge disaster was a catastrophic 1879 railway bridge collapse in Scotland during a violent storm, killing dozens of passengers and prompting major changes in bridge engineering and safety standards.
-
C.
1953 Tangiwai disaster
The 1953 Tangiwai disaster was one of New Zealand’s worst railway tragedies, in which a passenger train plunged into the Whangaehu River after a lahar destroyed the Tangiwai rail bridge on Christmas Eve.
-
D.
Trotternish landslip
The Trotternish landslip is a dramatic, ancient landslide formation on the Isle of Skye in Scotland, renowned for its striking cliffs, pinnacles, and otherworldly landscapes.
-
E.
The Staggerford Flood
The Staggerford Flood is a novel by Iris Rainer Dart, best known for its portrayal of small-town life and interpersonal relationships in the wake of a devastating flood.
- 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_69d81c5ced9c8190b0e9bcc6effe5959 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de05c530148190b11704300bbd5f9b |
completed | April 14, 2026, 9:15 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f7c105da548190b908a54fec029236 |
completed | May 3, 2026, 9:41 p.m. |
| NEDg | Description generation | batch_69f7c1e7efd88190ac07472647da69e7 |
completed | May 3, 2026, 9:45 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f7c33c2f34819084502d5f03f09ddd |
completed | May 3, 2026, 9:50 p.m. |
Created at: April 9, 2026, 10:14 p.m.