Triple
T2115146
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rhayader |
E42592
|
entity |
| Predicate | hasNearbyReservoir |
P13043
|
FINISHED |
| Object |
Pen-y-garreg Reservoir
Pen-y-garreg Reservoir is a scenic man-made lake in the Elan Valley of mid Wales, known for its historic stone dam and role in the region’s water supply system.
|
E239821
|
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: Pen-y-garreg Reservoir | Statement: [Rhayader, hasNearbyReservoir, Pen-y-garreg Reservoir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pen-y-garreg Reservoir Context triple: [Rhayader, hasNearbyReservoir, Pen-y-garreg Reservoir]
-
A.
Garreg Ddu Reservoir
Garreg Ddu Reservoir is a scenic man-made lake in the Elan Valley of mid-Wales, known for its distinctive submerged dam and role in supplying water to the city of Birmingham.
-
B.
Abbeystead Reservoir
Abbeystead Reservoir is a man-made lake in Lancashire, England, known for its scenic setting within the Forest of Bowland and its role in regional water supply.
-
C.
Ladybower Reservoir
Ladybower Reservoir is a large Y-shaped drinking-water reservoir in the Upper Derwent Valley of Derbyshire, England, known for its distinctive plughole spillways and surrounding Peak District scenery.
-
D.
Harperrig Reservoir
Harperrig Reservoir is a man-made freshwater reservoir in the Pentland Hills of Scotland, used for water supply, fishing, and recreation.
-
E.
Howden Reservoir
Howden Reservoir is a large man-made lake in Derbyshire’s Peak District, known as part of the Upper Derwent Valley chain of reservoirs supplying water to nearby cities and popular for its scenic surroundings and outdoor recreation.
- 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: Pen-y-garreg Reservoir Triple: [Rhayader, hasNearbyReservoir, Pen-y-garreg Reservoir]
Generated description
Pen-y-garreg Reservoir is a scenic man-made lake in the Elan Valley of mid Wales, known for its historic stone dam and role in the region’s water supply system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pen-y-garreg Reservoir Target entity description: Pen-y-garreg Reservoir is a scenic man-made lake in the Elan Valley of mid Wales, known for its historic stone dam and role in the region’s water supply system.
-
A.
Garreg Ddu Reservoir
Garreg Ddu Reservoir is a scenic man-made lake in the Elan Valley of mid-Wales, known for its distinctive submerged dam and role in supplying water to the city of Birmingham.
-
B.
Abbeystead Reservoir
Abbeystead Reservoir is a man-made lake in Lancashire, England, known for its scenic setting within the Forest of Bowland and its role in regional water supply.
-
C.
Ladybower Reservoir
Ladybower Reservoir is a large Y-shaped drinking-water reservoir in the Upper Derwent Valley of Derbyshire, England, known for its distinctive plughole spillways and surrounding Peak District scenery.
-
D.
Harperrig Reservoir
Harperrig Reservoir is a man-made freshwater reservoir in the Pentland Hills of Scotland, used for water supply, fishing, and recreation.
-
E.
Howden Reservoir
Howden Reservoir is a large man-made lake in Derbyshire’s Peak District, known as part of the Upper Derwent Valley chain of reservoirs supplying water to nearby cities and popular for its scenic surroundings and outdoor recreation.
- 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_69a8871040f08190aac2e2d0ab6b47ad |
completed | March 4, 2026, 7:25 p.m. |
| NER | Named-entity recognition | batch_69abbdc3a12081908e95ae870207367f |
completed | March 7, 2026, 5:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae58cd22c8819096dfd06d16703bf8 |
completed | March 9, 2026, 5:21 a.m. |
| NEDg | Description generation | batch_69ae5a4f7e4c81908d24ebd2dbe02e27 |
completed | March 9, 2026, 5:27 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ae5aa82aa88190821696affb65122e |
completed | March 9, 2026, 5:29 a.m. |
Created at: March 4, 2026, 7:43 p.m.