Triple
T18832770
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | USRA Light Mountain 4-8-2 |
E460575
|
entity |
| Predicate | introducedAs |
P513
|
FINISHED |
| Object |
USRA Light Mountain
The USRA Light Mountain was a standardized 4-8-2 steam locomotive design developed by the United States Railroad Administration during World War I for efficient mixed-traffic service across multiple American railroads.
|
E1345272
|
NE FINISHED |
How this triple was built (4 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: USRA Light Mountain | Statement: [USRA Light Mountain 4-8-2, introducedAs, USRA Light Mountain]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: USRA Light Mountain Context triple: [USRA Light Mountain 4-8-2, introducedAs, USRA Light Mountain]
-
A.
Lanter
Lanter is a surname most notably associated with American actor and voice actor Matt Lanter.
-
B.
Shirocco
Shirocco was a top-class German-bred Thoroughbred racehorse and successful sire, best known for winning the 2005 Breeders’ Cup Turf.
-
C.
Luminus
Luminus is a Clojure-based web framework and project template that streamlines building full-featured web applications on the JVM.
-
D.
Denali Star
Denali Star is a flagship Alaska Railroad passenger train that runs seasonally between Anchorage and Fairbanks, offering scenic access to Denali National Park.
-
E.
Mount Orion
Mount Orion is a prominent mountain peak in Tasmania’s rugged Western Arthur Range, known for its challenging bushwalking and striking alpine scenery.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: USRA Light Mountain Triple: [USRA Light Mountain 4-8-2, introducedAs, USRA Light Mountain]
Generated description
The USRA Light Mountain was a standardized 4-8-2 steam locomotive design developed by the United States Railroad Administration during World War I for efficient mixed-traffic service across multiple American railroads.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: USRA Light Mountain Target entity description: The USRA Light Mountain was a standardized 4-8-2 steam locomotive design developed by the United States Railroad Administration during World War I for efficient mixed-traffic service across multiple American railroads.
-
A.
Lanter
Lanter is a surname most notably associated with American actor and voice actor Matt Lanter.
-
B.
Shirocco
Shirocco was a top-class German-bred Thoroughbred racehorse and successful sire, best known for winning the 2005 Breeders’ Cup Turf.
-
C.
Luminus
Luminus is a Clojure-based web framework and project template that streamlines building full-featured web applications on the JVM.
-
D.
Denali Star
Denali Star is a flagship Alaska Railroad passenger train that runs seasonally between Anchorage and Fairbanks, offering scenic access to Denali National Park.
-
E.
Mount Orion
Mount Orion is a prominent mountain peak in Tasmania’s rugged Western Arthur Range, known for its challenging bushwalking and striking alpine scenery.
- 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_69d8dcf94c288190a06dea029ae4b223 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5a99b540c8190a29e5f9d56791d41 |
completed | April 20, 2026, 4:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a05676782048190810125e6b9317bcd |
completed | May 14, 2026, 6:10 a.m. |
| NEDg | Description generation | batch_6a05692c88c481909a7e321a4975e12f |
completed | May 14, 2026, 6:18 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0569c79b5c8190a63326c332674dd7 |
completed | May 14, 2026, 6:20 a.m. |
Created at: April 10, 2026, 11:56 a.m.