Triple
T21779405
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | DR |
E537671
|
entity |
| Predicate | predecessor |
P97
|
FINISHED |
| Object | Länderbahnen |
—
|
NE NERFINISHED |
How this triple was built (3 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: Länderbahnen | Statement: [DR, predecessor, Länderbahnen]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Länderbahnen Context triple: [DR, predecessor, Länderbahnen]
-
A.
Die Länderbahn
Die Länderbahn is a German regional railway company operating passenger train services across several federal states, particularly in eastern and southern Germany.
-
B.
Anhalter Bahn
Anhalter Bahn is a historic German railway line that once connected Berlin with central and southern Germany, playing a major role in long-distance passenger traffic before World War II.
-
C.
Iltiosbahn
Iltiosbahn is a Swiss cable car line that transports passengers from Alt St. Johann up into the surrounding mountain area of the Toggenburg region.
-
D.
Limmattalbahn
Limmattalbahn is a modern light rail line in the Limmat Valley near Zurich, Switzerland, providing regional tram-train connectivity between several suburban communities.
-
E.
Nord-Süd-Bahn
Nord-Süd-Bahn was the original name of Berlin’s present-day U6 U-Bahn line, a major north–south underground route through the city.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Länderbahnen Target entity description: Länderbahnen were the various independent state railways of the German states that existed before their unification into the national Deutsche Reichsbahn.
-
A.
Die Länderbahn
Die Länderbahn is a German regional railway company operating passenger train services across several federal states, particularly in eastern and southern Germany.
-
B.
Anhalter Bahn
Anhalter Bahn is a historic German railway line that once connected Berlin with central and southern Germany, playing a major role in long-distance passenger traffic before World War II.
-
C.
Iltiosbahn
Iltiosbahn is a Swiss cable car line that transports passengers from Alt St. Johann up into the surrounding mountain area of the Toggenburg region.
-
D.
Limmattalbahn
Limmattalbahn is a modern light rail line in the Limmat Valley near Zurich, Switzerland, providing regional tram-train connectivity between several suburban communities.
-
E.
Nord-Süd-Bahn
Nord-Süd-Bahn was the original name of Berlin’s present-day U6 U-Bahn line, a major north–south underground route through the city.
- F. None of above. chosen
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_69e0c470759c819094a215757113562b |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69f0462bde288190beef8c4388949132 |
completed | April 28, 2026, 5:31 a.m. |
Created at: April 16, 2026, 6:52 p.m.