Triple
T20879927
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mannheim Hauptbahnhof |
E514116
|
entity |
| Predicate | hasConnectionTo |
P845
|
FINISHED |
| Object | Mannheim Stadtbahn |
—
|
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: Mannheim Stadtbahn | Statement: [Mannheim Hauptbahnhof, hasConnectionTo, Mannheim Stadtbahn]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mannheim Stadtbahn Context triple: [Mannheim Hauptbahnhof, hasConnectionTo, Mannheim Stadtbahn]
-
A.
Cologne Stadtbahn
The Cologne Stadtbahn is a light rail and rapid transit network serving Cologne and its surrounding region, integrating underground and surface lines for urban and suburban transportation.
-
B.
Mannheim tram network
The Mannheim tram network is an urban light rail system serving the German city of Mannheim and its districts, forming a key part of the region’s public transportation infrastructure.
-
C.
Stadtbahn Rhein-Neckar
chosen
Stadtbahn Rhein-Neckar is a regional light rail and tram-train network serving the Rhine-Neckar metropolitan area in southwestern Germany, connecting cities such as Mannheim, Ludwigshafen, and Heidelberg.
-
D.
Stuttgart Stadtbahn
The Stuttgart Stadtbahn is a light rail and tram system serving the city of Stuttgart and its surrounding metropolitan area in Germany.
-
E.
Frankfurt U-Bahn
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.
- 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_69e0b4f733f081908a401c0b7beb0b9f |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c678b394819096a17de9e04cd74f |
completed | April 21, 2026, 12:36 a.m. |
Created at: April 16, 2026, 12:45 p.m.