Triple
T6358428
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | S26 |
E143048
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object | DBAG Class 481 |
E589531
|
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: DBAG Class 481 | Statement: [S26, rollingStock, DBAG Class 481]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: DBAG Class 481 Context triple: [S26, rollingStock, DBAG Class 481]
-
A.
DBAG Class 481
chosen
The DBAG Class 481 is a series of electric multiple units used on the Berlin S-Bahn network, known for their lightweight design and role in modernizing urban rail services in the German capital.
-
B.
DBAG Class 480
The DBAG Class 480 is a series of electric multiple units used primarily for S-Bahn commuter rail services in Berlin, Germany.
-
C.
EMD GP40-2H
The EMD GP40-2H is a rebuilt, passenger-equipped variant of the EMD GP40-2 diesel-electric locomotive, featuring head-end power for commuter rail service.
-
D.
EMD F40PH
The EMD F40PH is a widely used four-axle diesel-electric passenger locomotive built by Electro-Motive Division, best known for its long service on North American commuter and intercity railroads.
-
E.
DB Class 430 EMU
The DB Class 430 EMU is a modern electric multiple unit used by Deutsche Bahn for high-frequency suburban and S-Bahn commuter services in Germany.
- 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_69c008d7a9c4819098d647ec47776917 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c067f5bdd481909cf9db595ddb27df |
completed | March 22, 2026, 10:06 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c669d97d348190bca19013edbf436c |
completed | March 27, 2026, 11:28 a.m. |
Created at: March 22, 2026, 4:32 p.m.