Triple
T8276530
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Stuttgart Hauptbahnhof |
E193559
|
entity |
| Predicate | connectsRailLine |
P848
|
FINISHED |
| Object |
Filstalbahn
Filstalbahn is a major railway line in the German state of Baden-Württemberg that runs through the Fils Valley, linking Stuttgart with Ulm and serving as part of an important east–west rail corridor.
|
E723088
|
NE FINISHED |
How this triple was built (5 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: Filstalbahn | Statement: [Stuttgart Hauptbahnhof, connectsRailLine, Filstalbahn]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Filstalbahn Context triple: [Stuttgart Hauptbahnhof, connectsRailLine, Filstalbahn]
-
A.
Riedbahn
Riedbahn is a district of the town of Weiterstadt in the German state of Hesse.
-
B.
Belchenbahn
Belchenbahn is an aerial cable car system in the Black Forest region of Germany that transports visitors to the summit area of the Belchen mountain.
-
C.
Limmattalbahn
Limmattalbahn is a modern light rail line in the Limmat Valley near Zurich, Switzerland, providing regional tram-train connectivity between several suburban communities.
-
D.
Pöstlingbergbahn
Pöstlingbergbahn is a historic narrow-gauge mountain tramway in Linz, Austria, that connects the city with the hilltop pilgrimage site on the Pöstlingberg.
-
E.
Höllentalbahn
The Höllentalbahn is a scenic railway line in Germany’s Black Forest, known for its steep gradients and picturesque route through the Höllental (Hell Valley).
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Filstalbahn Triple: [Stuttgart Hauptbahnhof, connectsRailLine, Filstalbahn]
Generated description
Filstalbahn is a major railway line in the German state of Baden-Württemberg that runs through the Fils Valley, linking Stuttgart with Ulm and serving as part of an important east–west rail corridor.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Filstalbahn Target entity description: Filstalbahn is a major railway line in the German state of Baden-Württemberg that runs through the Fils Valley, linking Stuttgart with Ulm and serving as part of an important east–west rail corridor.
-
A.
Riedbahn
Riedbahn is a district of the town of Weiterstadt in the German state of Hesse.
-
B.
Belchenbahn
Belchenbahn is an aerial cable car system in the Black Forest region of Germany that transports visitors to the summit area of the Belchen mountain.
-
C.
Limmattalbahn
Limmattalbahn is a modern light rail line in the Limmat Valley near Zurich, Switzerland, providing regional tram-train connectivity between several suburban communities.
-
D.
Pöstlingbergbahn
Pöstlingbergbahn is a historic narrow-gauge mountain tramway in Linz, Austria, that connects the city with the hilltop pilgrimage site on the Pöstlingberg.
-
E.
Höllentalbahn
The Höllentalbahn is a scenic railway line in Germany’s Black Forest, known for its steep gradients and picturesque route through the Höllental (Hell Valley).
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: connectsRailLine Context triple: [Stuttgart Hauptbahnhof, connectsRailLine, Filstalbahn]
-
A.
railwayLine
chosen
Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
-
B.
connectsToRailStation
Indicates that one entity has a direct link, route, or access connection to a rail station.
-
C.
railTracks
Indicates that one entity consists of, includes, or is associated with rail tracks used for guiding trains or rail vehicles.
-
D.
usesRailInfrastructureOf
Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
-
E.
railwayLineRole
Indicates the specific functional role or purpose that a railway line serves within a rail network or transportation system.
- F. None of above.
Provenance (6 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_69ca82e14ae481908ffdb822cd2192bc |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cb798d69508190b581ad8a38730175 |
completed | March 31, 2026, 7:36 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cd6859cbc48190835dffa7de054d15 |
completed | April 1, 2026, 6:47 p.m. |
| NEDg | Description generation | batch_69cd6d52763c8190891f88d62be44786 |
completed | April 1, 2026, 7:09 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cd7e0d1b8c8190b5183cc176432061 |
completed | April 1, 2026, 8:20 p.m. |
| PD | Predicate disambiguation | batch_69cb70a4525481909399d313a6247ace |
completed | March 31, 2026, 6:58 a.m. |
Created at: March 30, 2026, 5:51 p.m.