Triple
T22123121
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hetch Hetchy Regional Water System |
E546722
|
entity |
| Predicate | usesAqueduct |
P14199
|
FINISHED |
| Object | Bay Division Pipelines |
—
|
NE NERFINISHED |
How this triple was built (2 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: [Hetch Hetchy Regional Water System, usesAqueduct, Bay Division Pipelines]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bay Division Pipelines Context triple: [Hetch Hetchy Regional Water System, usesAqueduct, Bay Division Pipelines]
-
A.
Bay Division Pipelines
chosen
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.
-
B.
Enbridge pipeline system
The Enbridge pipeline system is a vast network of crude oil and liquids pipelines that transports petroleum products across Canada and the United States to major refineries and markets.
-
C.
Forties Pipeline System
The Forties Pipeline System is a major North Sea oil transportation network that gathers crude from multiple offshore fields and delivers it to onshore facilities in the United Kingdom.
-
D.
Explorer Pipeline
Explorer Pipeline is a major U.S. refined petroleum products pipeline system that transports fuels from Gulf Coast and Midwestern refineries to markets across the central United States.
-
E.
Kern River Pipeline
The Kern River Pipeline is a major natural gas transmission system that transports gas from the Rocky Mountain region to markets in California and the U.S. Southwest.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e11e39bf348190b541bfa16a7b71e0 |
completed | April 16, 2026, 5:36 p.m. |
| NER | Named-entity recognition | batch_69f1297f3fb48190b6aaca18b40c37ab |
completed | April 28, 2026, 9:41 p.m. |
Created at: April 16, 2026, 8:31 p.m.