Triple
T17175337
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Siemens-Duewag U2 |
E416844
|
entity |
| Predicate | usedInTransportSystem |
P941
|
FINISHED |
| Object | Stadtbahn Hannover |
E514439
|
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: Stadtbahn Hannover | Statement: [Siemens-Duewag U2, usedInTransportSystem, Stadtbahn Hannover]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Stadtbahn Hannover Context triple: [Siemens-Duewag U2, usedInTransportSystem, Stadtbahn Hannover]
-
A.
Hanover Stadtbahn
chosen
The Hanover Stadtbahn is a light rail and tram system serving the city of Hanover, Germany, providing high-capacity urban and suburban public transport through a network of surface and underground lines.
-
B.
Hanover S-Bahn network
The Hanover S-Bahn network is a regional suburban rail system serving Hanover and its surrounding areas, providing frequent connections between the city center, nearby towns, and key transport hubs.
-
C.
Hamburg S-Bahn
The Hamburg S-Bahn is a rapid transit and commuter rail network serving the city of Hamburg and its surrounding metropolitan region in northern Germany.
-
D.
Stadtbahn Bielefeld
Stadtbahn Bielefeld is a light rail and tram system serving the German city of Bielefeld and its surrounding areas.
-
E.
Braunschweig tram network
The Braunschweig tram network is an urban light rail system serving the German city of Braunschweig, providing key public transportation links across the city and its main districts.
- 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_69d886d5f34c8190b24564dfaa63f3fb |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3fc0cec448190b30466628a2ff23f |
completed | April 18, 2026, 9:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0148435f6081909bfc6cc1ef59d971 |
completed | May 11, 2026, 3:08 a.m. |
Created at: April 10, 2026, 5:37 a.m.