Triple
T21829089
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Wittenbergplatz station |
E538937
|
entity |
| Predicate | originalLine |
P33933
|
FINISHED |
| Object | Stammstrecke (Berlin U-Bahn) |
—
|
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: Stammstrecke (Berlin U-Bahn) | Statement: [Wittenbergplatz station, originalLine, Stammstrecke (Berlin U-Bahn)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Stammstrecke (Berlin U-Bahn) Context triple: [Wittenbergplatz station, originalLine, Stammstrecke (Berlin U-Bahn)]
-
A.
Stammstrecke of Berlin U-Bahn
chosen
The Stammstrecke of the Berlin U-Bahn is the original core section of Berlin’s underground railway network, forming the historic backbone from which later lines, including the U2, were developed.
-
B.
Bismarckstraße (Berlin U-Bahn)
Bismarckstraße is a Berlin U-Bahn station in the Charlottenburg district that serves as an interchange between lines U2 and U7.
-
C.
Berlin U-Bahn station Afrikanische Strasse
Berlin U-Bahn station Afrikanische Strasse is a Berlin underground railway station known for its distinctive postwar architectural design by Rainer G. Rümmler.
-
D.
Bülowstraße U-Bahn station
Bülowstraße U-Bahn station is a Berlin underground railway station on the U2 line, known for its elevated structure and historic architecture in the Schöneberg district.
-
E.
Stadtmitte (Berlin U-Bahn) station
Stadtmitte (Berlin U-Bahn) station is a central Berlin underground interchange station serving lines U2 and U6 beneath Friedrichstraße in the city’s Mitte district.
- 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_69e0c475cda88190987d08f23caebdc1 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69f091344c848190b1675432a8c255f2 |
completed | April 28, 2026, 10:51 a.m. |
Created at: April 16, 2026, 6:54 p.m.