Triple
T20205862
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union Pacific Big Boy class locomotives |
E493346
|
entity |
| Predicate | preservedUnitsLocation |
P88578
|
FINISHED |
| Object | Pomona, California |
—
|
NE NERFINISHED |
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: Pomona, California | Statement: [Union Pacific Big Boy class locomotives, preservedUnitsLocation, Pomona, California]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pomona, California Context triple: [Union Pacific Big Boy class locomotives, preservedUnitsLocation, Pomona, California]
-
A.
Pomona, California
chosen
Pomona, California is a city in eastern Los Angeles County known for its diverse community, historic downtown, and role as a regional center for education and culture in the Pomona Valley.
-
B.
Los Olivos, California
Los Olivos, California is a small, upscale community in Santa Barbara County known for its wineries, scenic countryside, and association with Michael Jackson’s former Neverland Ranch.
-
C.
Monrovia, California
Monrovia, California is a suburban city in Los Angeles County known for its historic Old Town, foothill setting beneath the San Gabriel Mountains, and role as a filming and technology hub.
-
D.
Rosemead, California
Rosemead, California is a suburban city in Los Angeles County known for its diverse community and location in the western San Gabriel Valley.
-
E.
Clovis, California
Clovis, California is a suburban city in Fresno County known for its historic Old Town district, proximity to Fresno and the Sierra Nevada, and its role as a gateway to outdoor recreation in Central California.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69da6269614c8190bb40475d9d477358 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e66d922ebc8190ae012da8ceba74dd |
completed | April 20, 2026, 6:16 p.m. |
Created at: April 11, 2026, 11:38 p.m.