Triple
T20667898
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Munich S-Bahn |
E507939
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object | DB Class 420 (former) |
E983304
|
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: DB Class 420 (former) | Statement: [Munich S-Bahn, rollingStock, DB Class 420 (former)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: DB Class 420 (former) Context triple: [Munich S-Bahn, rollingStock, DB Class 420 (former)]
-
A.
DB Class 420 (former)
chosen
The DB Class 420 is a series of electric multiple units that formerly provided high-frequency commuter and S-Bahn services in several German metropolitan regions.
-
B.
DB Class 423 EMU
The DB Class 423 EMU is a series of modern electric multiple-unit commuter trains widely used in German S-Bahn networks for high-frequency urban and suburban passenger services.
-
C.
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.
-
D.
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.
-
E.
DBAG Class 484
The DBAG Class 484 is a modern electric multiple unit train used for Berlin 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_69e0b4c059bc81908ea762cd73ea4424 |
completed | April 16, 2026, 10:06 a.m. |
| NER | Named-entity recognition | batch_69e6b5c4c4608190ae17da4a59e5ae80 |
completed | April 20, 2026, 11:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a08cd6271e481909e3a6f10ec40ce11 |
completed | May 16, 2026, 8:02 p.m. |
Created at: April 16, 2026, 11:44 a.m.