Triple
T21513182
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | U2 (Berlin U-Bahn) |
E530777
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Alexanderplatz station |
—
|
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: Alexanderplatz station | Statement: [U2 (Berlin U-Bahn), hasStation, Alexanderplatz station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Alexanderplatz station Context triple: [U2 (Berlin U-Bahn), hasStation, Alexanderplatz station]
-
A.
Alexanderplatz station
chosen
Alexanderplatz station is a major public transport hub in central Berlin, serving multiple S-Bahn, U-Bahn, regional train, and tram lines in the busy Alexanderplatz square.
-
B.
Hermannplatz station
Hermannplatz station is a major Berlin U-Bahn interchange and historic underground station located beneath the busy Hermannplatz square in the Neukölln district.
-
C.
Potsdamer Platz station
Potsdamer Platz station is a major underground railway and U-Bahn hub in central Berlin, Germany, serving as a key interchange point for local and regional transit near the historic Potsdamer Platz square.
-
D.
U-Bahn station Ernst-Reuter-Platz
U-Bahn station Ernst-Reuter-Platz is a Berlin underground railway station located at the major Ernst-Reuter-Platz square in the Charlottenburg district, serving as an important stop on the U2 line near the Technical University of Berlin.
-
E.
Wittenbergplatz station
Wittenbergplatz station is a historic and architecturally significant Berlin U-Bahn station located near the Kurfürstendamm shopping 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_69e0c45c81f08190a6b8bbb70a45aae7 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69e9ea88e6fc8190a4b73b8d32dae5a8 |
completed | April 23, 2026, 9:46 a.m. |
Created at: April 16, 2026, 6:25 p.m.