Triple
T22183618
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Vienna S-Bahn |
E548233
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object |
ÖBB 4020
The ÖBB 4020 is an electric multiple unit train class operated by the Austrian Federal Railways, widely used for suburban and S-Bahn commuter services, particularly around Vienna.
|
E1523368
|
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: ÖBB 4020 | Statement: [Vienna S-Bahn, usesRollingStock, ÖBB 4020]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: ÖBB 4020 Context triple: [Vienna S-Bahn, usesRollingStock, ÖBB 4020]
-
A.
Stadler FINK multiple unit
The Stadler FINK multiple unit is a modern narrow-gauge electric trainset built by Stadler Rail for regional passenger services, particularly suited to mountainous railway lines.
-
B.
Stadler SPATZ multiple unit
The Stadler SPATZ multiple unit is a narrow-gauge electric trainset designed by Stadler Rail for regional and commuter services, particularly suited to mountainous railway lines.
-
C.
Siemens EuroSprinter
Siemens EuroSprinter is a family of high-performance electric locomotives developed by Siemens for freight and passenger rail services across Europe and beyond.
-
D.
Bombardier TRAXX
Bombardier TRAXX is a family of modular electric and diesel-electric locomotives widely used for passenger and freight services across Europe.
-
E.
Stadler Tango
Stadler Tango is a family of modern low-floor light rail and tram vehicles built by Swiss manufacturer Stadler Rail for urban and regional transit systems.
- 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: ÖBB 4020 Triple: [Vienna S-Bahn, usesRollingStock, ÖBB 4020]
Generated description
The ÖBB 4020 is an electric multiple unit train class operated by the Austrian Federal Railways, widely used for suburban and S-Bahn commuter services, particularly around Vienna.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: ÖBB 4020 Target entity description: The ÖBB 4020 is an electric multiple unit train class operated by the Austrian Federal Railways, widely used for suburban and S-Bahn commuter services, particularly around Vienna.
-
A.
Stadler FINK multiple unit
The Stadler FINK multiple unit is a modern narrow-gauge electric trainset built by Stadler Rail for regional passenger services, particularly suited to mountainous railway lines.
-
B.
Stadler SPATZ multiple unit
The Stadler SPATZ multiple unit is a narrow-gauge electric trainset designed by Stadler Rail for regional and commuter services, particularly suited to mountainous railway lines.
-
C.
Siemens EuroSprinter
Siemens EuroSprinter is a family of high-performance electric locomotives developed by Siemens for freight and passenger rail services across Europe and beyond.
-
D.
Bombardier TRAXX
Bombardier TRAXX is a family of modular electric and diesel-electric locomotives widely used for passenger and freight services across Europe.
-
E.
Stadler Tango
Stadler Tango is a family of modern low-floor light rail and tram vehicles built by Swiss manufacturer Stadler Rail for urban and regional transit systems.
- 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_69e11e3e0c7c8190b30d278845e2497e |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f12aa75440819084cbe9176b9edb47 |
completed | April 28, 2026, 9:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0a9ecd0a7881909dbda649b8474ff1 |
completed | May 18, 2026, 5:08 a.m. |
| NEDg | Description generation | batch_6a0a9f494f3c8190aee8f2e6dc1af763 |
completed | May 18, 2026, 5:10 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0aa03a8e0c819089dc48473b5b743c |
completed | May 18, 2026, 5:14 a.m. |
Created at: April 16, 2026, 8:35 p.m.