Triple
T17721486
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CAF Urbos 3 |
E442346
|
entity |
| Predicate | usedInSystem |
P1248
|
FINISHED |
| Object | Freiburg tramway |
—
|
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: Freiburg tramway | Statement: [CAF Urbos 3, usedInSystem, Freiburg tramway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Freiburg tramway Context triple: [CAF Urbos 3, usedInSystem, Freiburg tramway]
-
A.
Freiburg im Breisgau tram network
chosen
The Freiburg im Breisgau tram network is an electric light rail system serving the German city of Freiburg, known for its extensive, environmentally focused public transport integrated with the city’s sustainable urban planning.
-
B.
Karlsruhe tram network
The Karlsruhe tram network is an extensive light rail and tram system in Karlsruhe, Germany, known for its pioneering tram-train concept that integrates urban streetcars with regional railway lines.
-
C.
Heidelberg tram network
The Heidelberg tram network is an urban light rail system serving the city of Heidelberg, Germany, connecting key districts, residential areas, and institutions such as the Neuenheimer Feld campus.
-
D.
Kirnitzschtal tramway
The Kirnitzschtal tramway is a historic narrow-gauge tram line in Saxon Switzerland that runs through the scenic Kirnitzsch Valley, primarily serving tourists visiting the surrounding national park.
-
E.
Stuttgart Stadtbahn
The Stuttgart Stadtbahn is a light rail and tram system serving the city of Stuttgart and its surrounding metropolitan area in Germany.
- 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_69d8b9ec79688190b86bdcef85a7b3aa |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e47486438c8190abe27eb4eb2c6fdf |
completed | April 19, 2026, 6:21 a.m. |
Created at: April 10, 2026, 10:07 a.m.