Triple
T19232476
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Melbourne W-class tram |
E480903
|
entity |
| Predicate | preservedAt |
P2249
|
FINISHED |
| Object | Oregon Electric Railway Historical Society |
—
|
NE NERFINISHED |
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: Oregon Electric Railway Historical Society | Statement: [Melbourne W-class tram, preservedAt, Oregon Electric Railway Historical Society]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Oregon Electric Railway Historical Society Context triple: [Melbourne W-class tram, preservedAt, Oregon Electric Railway Historical Society]
-
A.
Oregon Trunk Railway
The Oregon Trunk Railway was a historic railroad line in central Oregon that provided a key north–south route along the Deschutes River, later integrated into the regional network of the Spokane, Portland and Seattle Railway.
-
B.
Interurban Railway Museum
The Interurban Railway Museum is a historic museum in Plano, Texas, dedicated to preserving and interpreting the history of electric interurban railways and local transportation.
-
C.
Valley and Siletz Railroad
The Valley and Siletz Railroad was a short line railway in Oregon that primarily served logging and timber operations in the early to mid-20th century.
-
D.
Oregon Railroad and Navigation Company
The Oregon Railroad and Navigation Company was a major late-19th and early-20th century railroad and steamship enterprise in the Pacific Northwest that became a key component of the Union Pacific system.
-
E.
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.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Oregon Electric Railway Historical Society Target entity description: The Oregon Electric Railway Historical Society is a preservation organization and museum dedicated to restoring, operating, and displaying historic electric railway equipment and streetcars in Oregon.
-
A.
Oregon Trunk Railway
The Oregon Trunk Railway was a historic railroad line in central Oregon that provided a key north–south route along the Deschutes River, later integrated into the regional network of the Spokane, Portland and Seattle Railway.
-
B.
Interurban Railway Museum
The Interurban Railway Museum is a historic museum in Plano, Texas, dedicated to preserving and interpreting the history of electric interurban railways and local transportation.
-
C.
Valley and Siletz Railroad
The Valley and Siletz Railroad was a short line railway in Oregon that primarily served logging and timber operations in the early to mid-20th century.
-
D.
Oregon Railroad and Navigation Company
The Oregon Railroad and Navigation Company was a major late-19th and early-20th century railroad and steamship enterprise in the Pacific Northwest that became a key component of the Union Pacific system.
-
E.
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.
- F. None of above. chosen
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_69d8e8ccb8f48190ad420098e74fb1db |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e5fa9fa7348190947129273d19c9a7 |
completed | April 20, 2026, 10:06 a.m. |
Created at: April 10, 2026, 1:25 p.m.