Triple
T15785478
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pacific Electric Santa Monica Air Line |
E382727
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | Pacific Electric Railway system |
E718775
|
NE FINISHED |
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: Pacific Electric Railway system | Statement: [Pacific Electric Santa Monica Air Line, partOf, Pacific Electric Railway system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pacific Electric Railway system Context triple: [Pacific Electric Santa Monica Air Line, partOf, Pacific Electric Railway system]
-
A.
Pacific Electric Railway
chosen
The Pacific Electric Railway was a vast early 20th-century interurban electric rail system centered in Los Angeles, famed for its iconic “Red Cars” that once formed one of the largest electric railway networks in the world.
-
B.
Los Angeles Railway
Los Angeles Railway was a historic streetcar transit system that operated an extensive network of urban rail lines in Los Angeles during the first half of the 20th century.
-
C.
Central California Traction Company
The Central California Traction Company is a regional railroad in California that historically provided interurban electric rail service and later freight operations in the Central Valley.
-
D.
Volk’s Electric Railway
Volk’s Electric Railway is a historic narrow-gauge electric seafront railway in Brighton, England, regarded as the world’s oldest operating electric railway.
-
E.
TECO Line Streetcar System
The TECO Line Streetcar System is a heritage-style electric streetcar network serving downtown Tampa, Florida, and its surrounding districts as a public transit and tourist attraction.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d86da16e188190b89af699f1ed0bfe |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e05401c4788190a31c180953433db9 |
completed | April 16, 2026, 3:14 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff9987140c8190a50da103905a7930 |
completed | May 9, 2026, 8:31 p.m. |
Created at: April 10, 2026, 4:48 a.m.