Triple
T22316295
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Torrejón-Tajo Dam |
E551652
|
entity |
| Predicate | hasReservoir |
P1025
|
FINISHED |
| Object |
Torrejón-Tajo Reservoir
Torrejón-Tajo Reservoir is an artificial water body in Spain formed by the Torrejón-Tajo Dam on the Tagus River, used primarily for water regulation and hydroelectric purposes.
|
E551652
|
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: Torrejón-Tajo Reservoir | Statement: [Torrejón-Tajo Dam, hasReservoir, Torrejón-Tajo Reservoir]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Torrejón-Tajo Reservoir Context triple: [Torrejón-Tajo Dam, hasReservoir, Torrejón-Tajo Reservoir]
-
A.
Ribarroja Reservoir
Ribarroja Reservoir is a large artificial lake on the Ebro River in northeastern Spain, used primarily for hydroelectric power generation, irrigation, and water regulation.
-
B.
Torrejón-Tajo Dam
Torrejón-Tajo Dam is a major hydraulic structure on the Tagus River in Spain, used primarily for water regulation and hydroelectric power generation within the Tagus Basin.
-
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.
Montijo Reservoir
Montijo Reservoir is an artificial lake and water storage facility located within Spain’s Guadiana River basin, used primarily for irrigation, water supply, and regional water management.
-
E.
Alcántara Reservoir
Alcántara Reservoir is a large artificial lake in western Spain, created by damming the Tagus River system and used primarily for hydroelectric power generation, irrigation, and water supply.
- 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: Torrejón-Tajo Reservoir Triple: [Torrejón-Tajo Dam, hasReservoir, Torrejón-Tajo Reservoir]
Generated description
Torrejón-Tajo Reservoir is an artificial water body in Spain formed by the Torrejón-Tajo Dam on the Tagus River, used primarily for water regulation and hydroelectric purposes.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Torrejón-Tajo Reservoir Target entity description: Torrejón-Tajo Reservoir is an artificial water body in Spain formed by the Torrejón-Tajo Dam on the Tagus River, used primarily for water regulation and hydroelectric purposes.
-
A.
Ribarroja Reservoir
Ribarroja Reservoir is a large artificial lake on the Ebro River in northeastern Spain, used primarily for hydroelectric power generation, irrigation, and water regulation.
-
B.
Torrejón-Tajo Dam
chosen
Torrejón-Tajo Dam is a major hydraulic structure on the Tagus River in Spain, used primarily for water regulation and hydroelectric power generation within the Tagus Basin.
-
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.
Montijo Reservoir
Montijo Reservoir is an artificial lake and water storage facility located within Spain’s Guadiana River basin, used primarily for irrigation, water supply, and regional water management.
-
E.
Alcántara Reservoir
Alcántara Reservoir is a large artificial lake in western Spain, created by damming the Tagus River system and used primarily for hydroelectric power generation, irrigation, and water supply.
- F. None of above.
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_69e11e4776588190abb21e5cea79973f |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f157535eb48190adbefbb619cb5fcd |
completed | April 29, 2026, 12:56 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0accaa3b7c81908ffa1bddc6a65ee1 |
completed | May 18, 2026, 8:24 a.m. |
| NEDg | Description generation | batch_6a0acd57919c8190a24a7e92d4c92f75 |
completed | May 18, 2026, 8:27 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0acdf32f608190907c4f60265048e0 |
completed | May 18, 2026, 8:29 a.m. |
Created at: April 16, 2026, 8:42 p.m.