Triple
T17015097
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Siemens U2 LRV |
E412799
|
entity |
| Predicate | usedIn |
P98
|
FINISHED |
| Object | Stuttgart Stadtbahn |
E283234
|
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: Stuttgart Stadtbahn | Statement: [Siemens U2 LRV, usedIn, Stuttgart Stadtbahn]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Stuttgart Stadtbahn Context triple: [Siemens U2 LRV, usedIn, Stuttgart Stadtbahn]
-
A.
Stuttgart Stadtbahn
chosen
The Stuttgart Stadtbahn is a light rail and tram system serving the city of Stuttgart and its surrounding metropolitan area in Germany.
-
B.
Stuttgart S-Bahn
The Stuttgart S-Bahn is a rapid transit and commuter rail network serving Stuttgart and its surrounding region in the German state of Baden-Württemberg.
-
C.
Stadtbahn Heilbronn
Stadtbahn Heilbronn is a light rail and tram-train network serving the city of Heilbronn and its surrounding region in Germany.
-
D.
Stuttgart–Horb railway
The Stuttgart–Horb railway is a German rail line in the state of Baden-Württemberg that connects the city of Stuttgart with the town of Horb am Neckar and serves as an important regional and commuter route.
-
E.
Stuttgart–Ulm railway
The Stuttgart–Ulm railway is a major German rail corridor in Baden-Württemberg that connects the state capital Stuttgart with the city of Ulm and forms part of an important east–west European transport axis.
- 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_69d886cc4170819093deddc7b8b4b6a7 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3d47f198c8190b0473f638101f606 |
completed | April 18, 2026, 6:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a011b4ba2a88190a49d355836ff1dcf |
completed | May 10, 2026, 11:56 p.m. |
Created at: April 10, 2026, 5:33 a.m.