Triple
T20209217
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Malpaso Dam |
E493441
|
entity |
| Predicate | formsReservoir |
P11309
|
FINISHED |
| Object | Nezahualcóyotl 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: Nezahualcóyotl Reservoir | Statement: [Malpaso Dam, formsReservoir, Nezahualcóyotl Reservoir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nezahualcóyotl Reservoir Context triple: [Malpaso Dam, formsReservoir, Nezahualcóyotl Reservoir]
-
A.
Chicoasén Reservoir
Chicoasén Reservoir is a large artificial lake in Chiapas, Mexico, formed by the Chicoasén Dam on the Grijalva River and used primarily for hydroelectric power generation and water management.
-
B.
Alarcón Reservoir
Alarcón Reservoir is a major artificial lake in Spain used for water storage, irrigation, and hydroelectric power generation along the Júcar River.
-
C.
San Carlos Reservoir
San Carlos Reservoir is a large artificial lake on the Gila River in Arizona, primarily used for irrigation, flood control, and recreation.
-
D.
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.
-
E.
Contreras Reservoir
Contreras Reservoir is a major artificial lake in Spain used for water storage, hydroelectric power generation, and flood control along the Júcar River basin.
- 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: Nezahualcóyotl Reservoir Target entity description: Nezahualcóyotl Reservoir is a large artificial lake in Chiapas, Mexico, created for hydroelectric power generation and flood control.
-
A.
Chicoasén Reservoir
chosen
Chicoasén Reservoir is a large artificial lake in Chiapas, Mexico, formed by the Chicoasén Dam on the Grijalva River and used primarily for hydroelectric power generation and water management.
-
B.
Alarcón Reservoir
Alarcón Reservoir is a major artificial lake in Spain used for water storage, irrigation, and hydroelectric power generation along the Júcar River.
-
C.
San Carlos Reservoir
San Carlos Reservoir is a large artificial lake on the Gila River in Arizona, primarily used for irrigation, flood control, and recreation.
-
D.
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.
-
E.
Contreras Reservoir
Contreras Reservoir is a major artificial lake in Spain used for water storage, hydroelectric power generation, and flood control along the Júcar River basin.
- F. None of above.
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_69da6269614c8190bb40475d9d477358 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e66d94999c8190b67051cb0acea213 |
completed | April 20, 2026, 6:16 p.m. |
Created at: April 11, 2026, 11:38 p.m.