Triple
T1742218
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Promontory Summit, Utah Territory |
E38257
|
entity |
| Predicate | partOf |
P40
|
FINISHED |
| Object | First Transcontinental Railroad |
E38256
|
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: First Transcontinental Railroad | Statement: [Promontory Summit, Utah Territory, partOf, First Transcontinental Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: First Transcontinental Railroad Context triple: [Promontory Summit, Utah Territory, partOf, First Transcontinental Railroad]
-
A.
First Transcontinental Railroad
chosen
The First Transcontinental Railroad was the 19th-century rail line that first connected the eastern and western United States by land, revolutionizing cross-country travel, commerce, and settlement.
-
B.
National Transcontinental Railway
The National Transcontinental Railway was a historic Canadian transcontinental rail line built in the early 20th century to link eastern and western Canada and later absorbed into the Canadian National Railway system.
-
C.
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.
-
D.
Central Pacific
Central Pacific refers to the midsection of the Pacific Ocean region, historically significant as a major area of military operations and command during the Pacific theater of World War II.
-
E.
Central Pacific
Central Pacific is a subgroup of Oceanic Austronesian languages that includes Fijian and related languages spoken across parts of Fiji and nearby Pacific islands.
- 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_69a8862b01a48190ab47209063af82d9 |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69aa63c6d21c8190809bedaa798e2b14 |
completed | March 6, 2026, 5:19 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad8b0ab7008190a2fafe1c8ac55ac4 |
completed | March 8, 2026, 2:43 p.m. |
Created at: March 4, 2026, 7:30 p.m.