Triple
T17003386
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BVG Class H |
E412504
|
entity |
| Predicate | belongsTo |
P35
|
FINISHED |
| Object | BVG rolling stock fleet |
E1193529
|
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: BVG rolling stock fleet | Statement: [BVG Class H, belongsTo, BVG rolling stock fleet]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BVG rolling stock fleet Context triple: [BVG Class H, belongsTo, BVG rolling stock fleet]
-
A.
Vossloh Citylink tram-train vehicles
Vossloh Citylink tram-train vehicles are modern, dual-mode light rail units designed to operate seamlessly on both urban tram networks and mainline railway tracks.
-
B.
BVG H series
chosen
The BVG H series is a class of modern wide-profile electric multiple unit trains used on Berlin’s U-Bahn network.
-
C.
Siemens–Duewag Supertram vehicles
Siemens–Duewag Supertram vehicles are a fleet of modern light rail trams built by Siemens and Duewag, used to operate the Sheffield Supertram network in South Yorkshire, England.
-
D.
Siemens S700 light rail vehicles
Siemens S700 light rail vehicles are modern low-floor light rail cars designed by Siemens Mobility for urban transit systems, featuring improved accessibility, energy efficiency, and passenger comfort.
-
E.
Stadler Variobahn trams
Stadler Variobahn trams are a family of low-floor, modular light rail vehicles designed for urban tramway systems and produced by the Swiss manufacturer Stadler Rail.
- 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_69d886cb581c8190ab05f4b429c9cd85 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3d37f8ba88190b8d32a1d09b6e6fd |
completed | April 18, 2026, 6:54 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00dc2035848190bf299875d37c8ac7 |
completed | May 10, 2026, 7:27 p.m. |
Created at: April 10, 2026, 5:32 a.m.