Triple
T17917187
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lozoya River |
E447961
|
entity |
| Predicate | hasReservoir |
P1025
|
FINISHED |
| Object | El Villar Reservoir |
—
|
NE NERFINISHED |
How this triple was built (3 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: El Villar Reservoir | Statement: [Lozoya River, hasReservoir, El Villar Reservoir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: El Villar Reservoir Context triple: [Lozoya River, hasReservoir, El Villar Reservoir]
-
A.
Burguillo Reservoir
Burguillo Reservoir is a major artificial lake and dam in central Spain, known for regulating water from the Alberche River and serving as a popular site for recreation and hydroelectric power.
-
B.
El Atazar Reservoir
El Atazar Reservoir is a major water storage and supply reservoir in the Community of Madrid, Spain, known for its large capacity and role in providing drinking water to the region.
-
C.
Pilarcitos Reservoir
Pilarcitos Reservoir is a key drinking water storage reservoir on the San Francisco Peninsula that helps supply water to the San Francisco Bay Area.
-
D.
Itoiz Reservoir
Itoiz Reservoir is a large artificial lake in Navarre, northern Spain, created by damming the Irati River to provide water supply, irrigation, and hydroelectric power within the Ebro basin.
-
E.
Cornalvo Reservoir
Cornalvo Reservoir is an ancient Roman-built dam and water reservoir in Extremadura, Spain, renowned for its historical engineering and role in supplying water to the city of Mérida.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: El Villar Reservoir Target entity description: El Villar Reservoir is a historic dam and water reservoir on the Lozoya River in Spain, known for being one of the earliest large concrete arch dams in the country.
-
A.
Burguillo Reservoir
Burguillo Reservoir is a major artificial lake and dam in central Spain, known for regulating water from the Alberche River and serving as a popular site for recreation and hydroelectric power.
-
B.
El Atazar Reservoir
El Atazar Reservoir is a major water storage and supply reservoir in the Community of Madrid, Spain, known for its large capacity and role in providing drinking water to the region.
-
C.
Pilarcitos Reservoir
Pilarcitos Reservoir is a key drinking water storage reservoir on the San Francisco Peninsula that helps supply water to the San Francisco Bay Area.
-
D.
Itoiz Reservoir
Itoiz Reservoir is a large artificial lake in Navarre, northern Spain, created by damming the Irati River to provide water supply, irrigation, and hydroelectric power within the Ebro basin.
-
E.
Cornalvo Reservoir
Cornalvo Reservoir is an ancient Roman-built dam and water reservoir in Extremadura, Spain, renowned for its historical engineering and role in supplying water to the city of Mérida.
- F. None of above. chosen
Provenance (2 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_69d8b9f6d394819082a6d69fd1e23d2f |
completed | April 10, 2026, 8:51 a.m. |
| NER | Named-entity recognition | batch_69e4a30778fc81908b5b2e308fb158a5 |
completed | April 19, 2026, 9:40 a.m. |
Created at: April 10, 2026, 10:20 a.m.