Triple
T5754616
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | San Francisco Peninsula reservoir system |
E126933
|
entity |
| Predicate | connectedTo |
P37
|
FINISHED |
| Object |
Bay Division Pipelines
Bay Division Pipelines are major water conveyance lines that transport drinking water from the Hetch Hetchy and related reservoir systems across the San Francisco Bay Area to serve regional communities.
|
E544522
|
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: Bay Division Pipelines | Statement: [San Francisco Peninsula reservoir system, connectedTo, Bay Division Pipelines]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bay Division Pipelines Context triple: [San Francisco Peninsula reservoir system, connectedTo, Bay Division Pipelines]
-
A.
Trans-Alaska Pipeline System
The Trans-Alaska Pipeline System is a major crude oil pipeline network that transports oil across Alaska from Arctic oil fields to the ice-free port of Valdez.
-
B.
Buckeye Pipe Line Company
Buckeye Pipe Line Company is a petroleum pipeline company that emerged as one of the successor entities created from the court-ordered breakup of the Standard Oil monopoly in the early 20th century.
-
C.
Mexican Pipeline
The Mexican Pipeline is a world-famous, powerful beach break at Playa Zicatela in Puerto Escondido, renowned for its heavy, barreling waves that attract elite big-wave surfers.
-
D.
Owen Ridge
Owen Ridge is a prominent mountainous ridge located in Antarctica, forming part of the rugged terrain near the Murray Ridge region.
-
E.
Alyeska Pipeline Service Company
Alyeska Pipeline Service Company is an American oil pipeline company that manages and maintains the Trans-Alaska Pipeline System across Alaska.
- 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: Bay Division Pipelines Triple: [San Francisco Peninsula reservoir system, connectedTo, Bay Division Pipelines]
Generated description
Bay Division Pipelines are major water conveyance lines that transport drinking water from the Hetch Hetchy and related reservoir systems across the San Francisco Bay Area to serve regional communities.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bay Division Pipelines Target entity description: Bay Division Pipelines are major water conveyance lines that transport drinking water from the Hetch Hetchy and related reservoir systems across the San Francisco Bay Area to serve regional communities.
-
A.
Trans-Alaska Pipeline System
The Trans-Alaska Pipeline System is a major crude oil pipeline network that transports oil across Alaska from Arctic oil fields to the ice-free port of Valdez.
-
B.
Buckeye Pipe Line Company
Buckeye Pipe Line Company is a petroleum pipeline company that emerged as one of the successor entities created from the court-ordered breakup of the Standard Oil monopoly in the early 20th century.
-
C.
Mexican Pipeline
The Mexican Pipeline is a world-famous, powerful beach break at Playa Zicatela in Puerto Escondido, renowned for its heavy, barreling waves that attract elite big-wave surfers.
-
D.
Owen Ridge
Owen Ridge is a prominent mountainous ridge located in Antarctica, forming part of the rugged terrain near the Murray Ridge region.
-
E.
Alyeska Pipeline Service Company
Alyeska Pipeline Service Company is an American oil pipeline company that manages and maintains the Trans-Alaska Pipeline System across Alaska.
- 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_69c00832aedc81909899801b141fa3b4 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c02904dcf481909e4340a64ee1034e |
completed | March 22, 2026, 5:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c07e434aa88190b56e721c002d31b8 |
completed | March 22, 2026, 11:41 p.m. |
| NEDg | Description generation | batch_69c08be0a25481908ae868b2364fcc68 |
completed | March 23, 2026, 12:40 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c08c926fc88190a3a06081c1da364e |
completed | March 23, 2026, 12:42 a.m. |
Created at: March 22, 2026, 3:49 p.m.