Triple
T17761886
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Opernplatz |
E443396
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Frankfurt U-Bahn line U6 |
—
|
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: Frankfurt U-Bahn line U6 | Statement: [Opernplatz, servedBy, Frankfurt U-Bahn line U6]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Frankfurt U-Bahn line U6 Context triple: [Opernplatz, servedBy, Frankfurt U-Bahn line U6]
-
A.
Frankfurt U-Bahn
chosen
The Frankfurt U-Bahn is the rapid transit system serving Frankfurt am Main, Germany, forming a core part of the city's public transportation network with multiple underground and surface lines.
-
B.
Berlin U-Bahn line U6
Berlin U-Bahn line U6 is a major north–south underground metro line in Berlin that connects the northern district of Tegel with southern neighborhoods through the city center.
-
C.
Berlin U-Bahn line U5
Berlin U-Bahn line U5 is a major underground metro line in Berlin that runs east–west across the city, connecting central hubs like Alexanderplatz and Brandenburger Tor with eastern districts such as Lichtenberg and Hönow.
-
D.
Frankfurt S-Bahn line S6
Frankfurt S-Bahn line S6 is a suburban rail line in the Rhine-Main S-Bahn network that connects Frankfurt with surrounding regional destinations as part of the city’s rapid transit system.
-
E.
Nuremberg U-Bahn
The Nuremberg U-Bahn is the rapid transit system serving Nuremberg and its surrounding area in Germany, known for being one of the first networks to operate fully automated driverless trains.
- 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_69d8b9edf16c8190a59ebd245d378f4f |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e485f887ac81908c896a50175692b9 |
completed | April 19, 2026, 7:36 a.m. |
Created at: April 10, 2026, 10:11 a.m.