Triple
T18977832
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Briones Reservoir |
E464342
|
entity |
| Predicate | impoundedBy |
P10781
|
FINISHED |
| Object |
Briones Dam
Briones Dam is an earth-fill embankment dam in Contra Costa County, California, that creates and regulates the Briones Reservoir as part of the East Bay’s municipal water supply system.
|
E1352830
|
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: Briones Dam | Statement: [Briones Reservoir, impoundedBy, Briones Dam]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Briones Dam Context triple: [Briones Reservoir, impoundedBy, Briones Dam]
-
A.
Perris Dam
Perris Dam is a large earthfill embankment dam in Riverside County, California, that forms Lake Perris as part of the state’s major water storage and distribution system.
-
B.
Briones Reservoir
Briones Reservoir is a man-made lake in Contra Costa County, California, used for water supply and recreational activities such as rowing.
-
C.
Calaveras Reservoir
Calaveras Reservoir is a major water storage reservoir in California’s Diablo Range that supplies drinking water to the San Francisco Bay Area.
-
D.
Santa Fe Dam
Santa Fe Dam is a large flood-control and water-conservation dam and recreation area located in the San Gabriel Valley of Los Angeles County, California.
-
E.
Contra Loma Reservoir
Contra Loma Reservoir is a man-made lake and recreational area in Antioch, California, used for water storage, fishing, and outdoor activities.
- 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: Briones Dam Triple: [Briones Reservoir, impoundedBy, Briones Dam]
Generated description
Briones Dam is an earth-fill embankment dam in Contra Costa County, California, that creates and regulates the Briones Reservoir as part of the East Bay’s municipal water supply system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Briones Dam Target entity description: Briones Dam is an earth-fill embankment dam in Contra Costa County, California, that creates and regulates the Briones Reservoir as part of the East Bay’s municipal water supply system.
-
A.
Perris Dam
Perris Dam is a large earthfill embankment dam in Riverside County, California, that forms Lake Perris as part of the state’s major water storage and distribution system.
-
B.
Briones Reservoir
Briones Reservoir is a man-made lake in Contra Costa County, California, used for water supply and recreational activities such as rowing.
-
C.
Calaveras Reservoir
Calaveras Reservoir is a major water storage reservoir in California’s Diablo Range that supplies drinking water to the San Francisco Bay Area.
-
D.
Santa Fe Dam
Santa Fe Dam is a large flood-control and water-conservation dam and recreation area located in the San Gabriel Valley of Los Angeles County, California.
-
E.
Contra Loma Reservoir
Contra Loma Reservoir is a man-made lake and recreational area in Antioch, California, used for water storage, fishing, and outdoor activities.
- 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_69d8dd008af48190a97ff1c6488edf1b |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5d620bba48190a300dba9733592b0 |
completed | April 20, 2026, 7:30 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a05ad3f8c0c8190aad9693b3a9360db |
completed | May 14, 2026, 11:08 a.m. |
| NEDg | Description generation | batch_6a05af056a0c8190969f3b7a371aa453 |
completed | May 14, 2026, 11:16 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a05afb1c02481909018f47be226f486 |
completed | May 14, 2026, 11:19 a.m. |
Created at: April 10, 2026, noon