Triple
T15809231
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 2010 San Bruno pipeline explosion |
E383301
|
entity |
| Predicate | pipelineOperator |
P120164
|
FINISHED |
| Object | Pacific Gas and Electric Company |
E515707
|
NE FINISHED |
How this triple was built (3 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: Pacific Gas and Electric Company | Statement: [2010 San Bruno pipeline explosion, pipelineOperator, Pacific Gas and Electric Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pacific Gas and Electric Company Context triple: [2010 San Bruno pipeline explosion, pipelineOperator, Pacific Gas and Electric Company]
-
A.
Pacific Gas and Electric Company
chosen
Pacific Gas and Electric Company is a major American investor-owned utility that provides electricity and natural gas to much of Northern and Central California.
-
B.
San Diego Gas & Electric
San Diego Gas & Electric is a major investor-owned utility company that provides electricity and natural gas services to customers in the San Diego and southern Orange County regions of California.
-
C.
Southern California Edison
Southern California Edison is one of the largest investor-owned electric utilities in the United States, providing power to millions of customers across much of Southern and Central California.
-
D.
Northern California Power Agency
The Northern California Power Agency is a public power utility consortium that generates and manages electricity resources for its member communities in Northern California.
-
E.
Southern California Gas Company
Southern California Gas Company is a major natural gas utility serving much of Southern California, known for operating extensive gas storage and distribution infrastructure.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: pipelineOperator Context triple: [2010 San Bruno pipeline explosion, pipelineOperator, Pacific Gas and Electric Company]
-
A.
pipeline
Indicates a sequential process or workflow where the output of one stage is passed as input to the next to achieve a final result.
-
B.
pipelineIncludes
Indicates that a given pipeline contains or incorporates a specified component, stage, or element as part of its overall structure or process.
-
C.
paperMillLaterOperator
Indicates that an entity served as an operator of a paper mill at a later time or subsequent period relative to another operator or timeframe.
-
D.
pipelineDepth
Indicates the number of sequential processing stages or steps that data or tasks pass through in a pipeline.
-
E.
operatorTask
Indicates that an operator is responsible for performing or managing a specific task.
- 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_69d86da2858c819090cc8481e7207b6e |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e0b529c6b481909664153ecc381f7c |
completed | April 16, 2026, 10:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff999210148190baa6dcb19be3a1d3 |
completed | May 9, 2026, 8:31 p.m. |
| PD | Predicate disambiguation | batch_69e0053b847c8190945726c3ddac21cc |
completed | April 15, 2026, 9:38 p.m. |
| PDg | Predicate description generation | batch_69e00e48d49c819081afccb02f9cf18b |
completed | April 15, 2026, 10:16 p.m. |
Created at: April 10, 2026, 4:48 a.m.