Triple
T17542852
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | San Francisco Public Utilities Commission |
E427245
|
entity |
| Predicate | operates |
P24
|
FINISHED |
| Object |
Harry Tracy Water Treatment Plant
The Harry Tracy Water Treatment Plant is a major drinking water facility serving the San Francisco Bay Area, providing treated water to local communities as part of the regional Hetch Hetchy system.
|
E1276679
|
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: Harry Tracy Water Treatment Plant | Statement: [San Francisco Public Utilities Commission, operates, Harry Tracy Water Treatment Plant]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Harry Tracy Water Treatment Plant Context triple: [San Francisco Public Utilities Commission, operates, Harry Tracy Water Treatment Plant]
-
A.
Tracy Pumping Plant
Tracy Pumping Plant is a major water pumping facility in California that lifts and conveys water from the Sacramento–San Joaquin Delta into the Central Valley Project’s distribution system.
-
B.
Eastern Treatment Plant
The Eastern Treatment Plant is a major wastewater treatment facility in Melbourne, Australia, that processes sewage and produces recycled water and biosolids for the region.
-
C.
Bouse Hills Pumping Plant
Bouse Hills Pumping Plant is a major water-lifting facility within the Central Arizona Project system that helps convey Colorado River water across central Arizona.
-
D.
Harvey O. Banks Pumping Plant
The Harvey O. Banks Pumping Plant is a major water pumping facility in California that serves as a key intake and distribution hub for the State Water Project.
-
E.
Western Treatment Plant
The Western Treatment Plant is a major sewage treatment and recycled water facility in Melbourne, Australia, known for its large-scale wastewater processing and significant wetlands that support diverse birdlife.
- 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: Harry Tracy Water Treatment Plant Triple: [San Francisco Public Utilities Commission, operates, Harry Tracy Water Treatment Plant]
Generated description
The Harry Tracy Water Treatment Plant is a major drinking water facility serving the San Francisco Bay Area, providing treated water to local communities as part of the regional Hetch Hetchy system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Harry Tracy Water Treatment Plant Target entity description: The Harry Tracy Water Treatment Plant is a major drinking water facility serving the San Francisco Bay Area, providing treated water to local communities as part of the regional Hetch Hetchy system.
-
A.
Tracy Pumping Plant
Tracy Pumping Plant is a major water pumping facility in California that lifts and conveys water from the Sacramento–San Joaquin Delta into the Central Valley Project’s distribution system.
-
B.
Eastern Treatment Plant
The Eastern Treatment Plant is a major wastewater treatment facility in Melbourne, Australia, that processes sewage and produces recycled water and biosolids for the region.
-
C.
Bouse Hills Pumping Plant
Bouse Hills Pumping Plant is a major water-lifting facility within the Central Arizona Project system that helps convey Colorado River water across central Arizona.
-
D.
Harvey O. Banks Pumping Plant
The Harvey O. Banks Pumping Plant is a major water pumping facility in California that serves as a key intake and distribution hub for the State Water Project.
-
E.
Western Treatment Plant
The Western Treatment Plant is a major sewage treatment and recycled water facility in Melbourne, Australia, known for its large-scale wastewater processing and significant wetlands that support diverse birdlife.
- 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_69d889df6dc081908f67dbadc03c07ee |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e4545f1fa08190870c9244d06cf5f6 |
completed | April 19, 2026, 4:04 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a01dddeb6c48190b8c29719b38a1b6a |
completed | May 11, 2026, 1:47 p.m. |
| NEDg | Description generation | batch_6a01df5bb1d88190a7db75c5f9bce654 |
completed | May 11, 2026, 1:53 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a01dff9c5708190bbb7df4dc376043e |
completed | May 11, 2026, 1:56 p.m. |
Created at: April 10, 2026, 5:49 a.m.