Triple
T1403885
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Jamestown, California |
E31645
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Sierra Railway of California |
E161322
|
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: Sierra Railway of California | Statement: [Jamestown, California, servedBy, Sierra Railway of California]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sierra Railway of California Context triple: [Jamestown, California, servedBy, Sierra Railway of California]
-
A.
Sierra Railway of California
chosen
The Sierra Railway of California is a historic short-line railroad famed for serving the Gold Country region and for its frequent use as a filming location in Western movies and television shows.
-
B.
Sacramento Southern Railroad
The Sacramento Southern Railroad is a heritage railway in Sacramento, California, offering excursion train rides along the Sacramento River as part of the California State Railroad Museum’s operations.
-
C.
Virginia and Truckee Railroad
The Virginia and Truckee Railroad was a historic 19th-century short-line railway in Nevada that played a crucial role in transporting ore, supplies, and passengers for the Comstock Lode mining boom.
-
D.
Oregon Coast Scenic Railroad
The Oregon Coast Scenic Railroad is a heritage railway offering scenic excursions along the Oregon coast using historic steam and diesel locomotives.
-
E.
Central Pacific Railroad
The Central Pacific Railroad was a major 19th-century American railroad company that built the western portion of the First Transcontinental Railroad, linking California to the eastern United States and transforming transportation and commerce.
- 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_69a49918e1f88190ba610f9dc8114578 |
completed | March 1, 2026, 7:52 p.m. |
| NER | Named-entity recognition | batch_69a4c3a0330c8190b22452d29c79fcf4 |
completed | March 1, 2026, 10:54 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad08ac24948190b85c8e38b34509c9 |
completed | March 8, 2026, 5:27 a.m. |
Created at: March 1, 2026, 7:59 p.m.