Triple
T21513301
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | U5 |
E530780
|
entity |
| Predicate | usesRollingStockType |
P1305
|
FINISHED |
| Object | BVG H-type trains |
—
|
NE NERFINISHED |
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 H-type trains | Statement: [U5, usesRollingStockType, BVG H-type trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BVG H-type trains Context triple: [U5, usesRollingStockType, BVG H-type trains]
-
A.
BVG F-type trains
BVG F-type trains are a series of electric multiple units used on the Berlin U-Bahn, known for their wide-body design and long-standing service on the network.
-
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 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.
-
D.
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.
-
E.
Stadler Citylink tram-trains
Stadler Citylink tram-trains are modern, bi-mode light rail vehicles designed for flexible operation on both urban tramways and mainline railway tracks.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0c45c81f08190a6b8bbb70a45aae7 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69e9ea88e6fc8190a4b73b8d32dae5a8 |
completed | April 23, 2026, 9:46 a.m. |
Created at: April 16, 2026, 6:25 p.m.