Triple
T17340084
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | SEPTA Silverliner II |
E421042
|
entity |
| Predicate | hasCollectionCategory |
P82611
|
FINISHED |
| Object | Budd Company railcars |
E492687
|
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: Budd Company railcars | Statement: [SEPTA Silverliner II, hasCollectionCategory, Budd Company railcars]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Budd Company railcars Context triple: [SEPTA Silverliner II, hasCollectionCategory, Budd Company railcars]
-
A.
Budd Company stainless-steel passenger cars
chosen
Budd Company stainless-steel passenger cars were streamlined, corrosion-resistant railroad coaches widely used in mid-20th-century North American passenger service and known for their distinctive fluted metal exteriors.
-
B.
Pullman Company railcar fleet
The Pullman Company railcar fleet was a renowned collection of luxury passenger railcars, especially sleeping cars, that set the standard for comfortable long-distance train travel in the United States during the late 19th and early 20th centuries.
-
C.
Amfleet railcar family
The Amfleet railcar family is a series of stainless-steel, tubular passenger coaches built by Budd for Amtrak in the 1970s and 1980s, widely used on intercity and regional routes across the United States.
-
D.
PA-3 railcars
The PA-3 railcars are a series of electric multiple-unit subway cars used on the PATCO Speedline rapid transit system serving the Philadelphia–Camden region.
-
E.
Union Tank Car Company
Union Tank Car Company is a North American railcar leasing and maintenance company specializing in tank cars for transporting liquid and gaseous commodities.
- 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_69d889d3adc881909319f1edb8d2a956 |
completed | April 10, 2026, 5:25 a.m. |
| NER | Named-entity recognition | batch_69e43a14ec90819098db2ac0d58a53e1 |
completed | April 19, 2026, 2:12 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a018c588a7081909ab108cb4adfedfe |
completed | May 11, 2026, 7:59 a.m. |
Created at: April 10, 2026, 5:44 a.m.