Triple
T9525627
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ruhrverband |
E229752
|
entity |
| Predicate | manages |
P86
|
FINISHED |
| Object | Kettwig Reservoir |
E246184
|
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: Kettwig Reservoir | Statement: [Ruhrverband, manages, Kettwig Reservoir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kettwig Reservoir Context triple: [Ruhrverband, manages, Kettwig Reservoir]
-
A.
Hohenwarte Dam
Hohenwarte Dam is a large hydroelectric and flood-control dam on the Saale River in Thuringia, Germany, forming one of the country’s significant reservoir lakes.
-
B.
Ruhr reservoir system
chosen
The Ruhr reservoir system is an interconnected network of dams and reservoirs in Germany’s Ruhr region that regulates water supply, flood control, and power generation for one of the country’s most industrialized areas.
-
C.
Sorpe Dam
The Sorpe Dam is a German earth-fill dam in the Ruhr region that was a key target of the RAF’s World War II “Dambusters” raid, Operation Chastise.
-
D.
Gorg Blau reservoir
Gorg Blau reservoir is an artificial mountain lake in Mallorca, Spain, serving as a key freshwater supply within the Serra de Tramuntana range.
-
E.
Bütgenbach Dam
Bütgenbach Dam is a hydroelectric and flood-control structure in eastern Belgium that creates Lake Bütgenbach, a popular site for recreation and water sports.
- 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_69ca847870a881909d8d751a7d29da39 |
completed | March 30, 2026, 2:11 p.m. |
| NER | Named-entity recognition | batch_69cd989b529c81909ee18dd3d468c816 |
completed | April 1, 2026, 10:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d189e883b48190a98dfcde2cd0fba0 |
completed | April 4, 2026, 10 p.m. |
Created at: March 30, 2026, 7:59 p.m.