Triple
T14265808
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BVG |
E353639
|
entity |
| Predicate | safetyAuthority |
P125
|
FINISHED |
| Object | Eisenbahn-Bundesamt (for U-Bahn infrastructure oversight) |
E923676
|
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: Eisenbahn-Bundesamt (for U-Bahn infrastructure oversight) | Statement: [BVG, safetyAuthority, Eisenbahn-Bundesamt (for U-Bahn infrastructure oversight)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Eisenbahn-Bundesamt (for U-Bahn infrastructure oversight) Context triple: [BVG, safetyAuthority, Eisenbahn-Bundesamt (for U-Bahn infrastructure oversight)]
-
A.
Federal Railway Authority of Germany
chosen
The Federal Railway Authority of Germany is the national government agency responsible for overseeing safety, operations, and regulatory compliance across the country’s railway system.
-
B.
Nuremberg U-Bahn
The Nuremberg U-Bahn is the rapid transit system serving Nuremberg and its surrounding area in Germany, known for being one of the first networks to operate fully automated driverless trains.
-
C.
Bundeseisenbahnvermögen
Bundeseisenbahnvermögen is a German federal institution that manages the remaining assets, liabilities, and certain personnel matters of the former state railways after their restructuring and privatization.
-
D.
S-Bahn Berlin GmbH
S-Bahn Berlin GmbH is the company responsible for operating Berlin’s urban rapid transit S-Bahn rail network.
-
E.
Frankfurt U-Bahn
The Frankfurt U-Bahn is the rapid transit system serving Frankfurt am Main, Germany, forming a core part of the city's public transportation network with multiple underground and surface lines.
- 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_69d8278c43e08190824146f4632b89a5 |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de6357a8188190ba518a486521052b |
completed | April 14, 2026, 3:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd326551b08190ae8fe220a6422339 |
completed | May 8, 2026, 12:46 a.m. |
Created at: April 10, 2026, 1:09 a.m.