Triple
T1742175
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | First Transcontinental Railroad |
E38256
|
entity |
| Predicate | GoldenSpikeLocation |
P31793
|
FINISHED |
| Object | Promontory Summit, Utah Territory |
E38257
|
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: Promontory Summit, Utah Territory | Statement: [First Transcontinental Railroad, GoldenSpikeLocation, Promontory Summit, Utah Territory]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Promontory Summit, Utah Territory Context triple: [First Transcontinental Railroad, GoldenSpikeLocation, Promontory Summit, Utah Territory]
-
A.
Promontory Summit, Utah Territory
chosen
Promontory Summit, in the former Utah Territory, is the historic site where the First Transcontinental Railroad was completed in 1869 with the driving of the Golden Spike.
-
B.
Donner Memorial State Park
Donner Memorial State Park is a historic California state park near Truckee that commemorates the Donner Party and preserves scenic Sierra Nevada landscapes for outdoor recreation.
-
C.
Cheyenne Mountain
Cheyenne Mountain is a prominent mountain in Colorado known for housing the Cheyenne Mountain Complex, a major military installation and former NORAD command center.
-
D.
Salt Lake Valley
Salt Lake Valley is a populous valley in northern Utah that serves as the urban and economic center of the Salt Lake City metropolitan area, bordered by the Wasatch and Oquirrh mountain ranges.
-
E.
Echo Canyon, Utah
Echo Canyon in Utah is a narrow, scenic gorge in the Wasatch Range that served as a key passageway for westward migration and military travel in the 19th century.
- 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: GoldenSpikeLocation Context triple: [First Transcontinental Railroad, GoldenSpikeLocation, Promontory Summit, Utah Territory]
-
A.
spawningLocation
Indicates the place or environment where an entity originates, appears, or is generated.
-
B.
mintLocations
Indicates the locations where something is minted, such as coins, tokens, or other items produced through a minting process.
-
C.
cultLocation
Indicates that a cult or religious group is based in, practices in, or is primarily associated with a particular location.
-
D.
flagshipStationLocation
Indicates the location where an organization’s primary or flagship station is situated.
-
E.
gameLocation
Indicates the place or venue where a game or match takes place.
- 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_69a8862b01a48190ab47209063af82d9 |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69ab3c2559ac8190905186406fcaccb9 |
completed | March 6, 2026, 8:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad8b0ab7008190a2fafe1c8ac55ac4 |
completed | March 8, 2026, 2:43 p.m. |
| PD | Predicate disambiguation | batch_69aa61c4023c819099cbe439aefda71f |
completed | March 6, 2026, 5:10 a.m. |
| PDg | Predicate description generation | batch_69ab3c2479148190badc616f8e2686d4 |
completed | March 6, 2026, 8:42 p.m. |
Created at: March 4, 2026, 7:30 p.m.