Triple
T3604228
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | PRR K4s |
E76330
|
entity |
| Predicate | designer |
P184
|
FINISHED |
| Object | Altoona Works mechanical engineering department |
E76912
|
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: Altoona Works mechanical engineering department | Statement: [PRR K4s, designer, Altoona Works mechanical engineering department]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Altoona Works mechanical engineering department Context triple: [PRR K4s, designer, Altoona Works mechanical engineering department]
-
A.
Pennsylvania Railroad Altoona Works
chosen
Pennsylvania Railroad Altoona Works was a major locomotive and railcar manufacturing and maintenance complex in Altoona, Pennsylvania, renowned as one of the most important railroad shops in the United States.
-
B.
Locomotive Works
Locomotive Works is the section of the Derby railway works dedicated to the construction, maintenance, and repair of railway locomotives.
-
C.
Carriage and Wagon Works
Carriage and Wagon Works is a section of the Derby railway works dedicated to the construction, maintenance, and repair of railway carriages and wagons.
-
D.
Main Engineering Directorate
The Main Engineering Directorate was a key technical and engineering body within the Soviet Ministry of Defense responsible for overseeing military construction, infrastructure, and related engineering support.
-
E.
Lima Locomotive Works
Lima Locomotive Works was a prominent American manufacturer best known for producing innovative steam locomotives, including the powerful "Super Power" designs that significantly advanced railroad performance in the early 20th century.
- 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_69ad85d93dcc819094fba90cf70f4996 |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adc1e07bc481908d9fce18d36d8e0d |
completed | March 8, 2026, 6:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b40320a0308190b2f358fe1488ed98 |
completed | March 13, 2026, 12:29 p.m. |
Created at: March 8, 2026, 3:22 p.m.