Triple
T8714882
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Marienplatz U-Bahn station |
E206868
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object |
Stammstrecke trunk line
The Stammstrecke trunk line is the central, high-capacity core route of the Munich U-Bahn network that carries multiple lines through the city center.
|
E753873
|
NE FINISHED |
How this triple was built (4 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: Stammstrecke trunk line | Statement: [Marienplatz U-Bahn station, servedByLine, Stammstrecke trunk line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Stammstrecke trunk line Context triple: [Marienplatz U-Bahn station, servedByLine, Stammstrecke trunk line]
-
A.
Trunk Line
The Trunk Line is one of Norway’s oldest and most important railway lines, connecting Oslo with surrounding regions and serving key towns such as Jessheim.
-
B.
Westbahn railway line
The Westbahn railway line is a major Austrian rail route that connects Vienna with Salzburg and serves numerous cities and towns along its corridor.
-
C.
Nassau-Dillenburg line
The Nassau-Dillenburg line was a cadet branch of the House of Nassau that produced several influential German and Dutch princes, including the ancestors of the Dutch royal family.
-
D.
Benrath line
The Benrath line is an isogloss in Germany that marks the traditional linguistic boundary between High German dialects affected by the High German consonant shift and the Low German dialects to the north.
-
E.
Red Line trunk
The Red Line trunk is the central, shared main segment of Boston's MBTA Red Line rapid transit route that multiple branches use to travel through the core of the system.
- 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: Stammstrecke trunk line Triple: [Marienplatz U-Bahn station, servedByLine, Stammstrecke trunk line]
Generated description
The Stammstrecke trunk line is the central, high-capacity core route of the Munich U-Bahn network that carries multiple lines through the city center.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Stammstrecke trunk line Target entity description: The Stammstrecke trunk line is the central, high-capacity core route of the Munich U-Bahn network that carries multiple lines through the city center.
-
A.
Trunk Line
The Trunk Line is one of Norway’s oldest and most important railway lines, connecting Oslo with surrounding regions and serving key towns such as Jessheim.
-
B.
Westbahn railway line
The Westbahn railway line is a major Austrian rail route that connects Vienna with Salzburg and serves numerous cities and towns along its corridor.
-
C.
Nassau-Dillenburg line
The Nassau-Dillenburg line was a cadet branch of the House of Nassau that produced several influential German and Dutch princes, including the ancestors of the Dutch royal family.
-
D.
Benrath line
The Benrath line is an isogloss in Germany that marks the traditional linguistic boundary between High German dialects affected by the High German consonant shift and the Low German dialects to the north.
-
E.
Red Line trunk
The Red Line trunk is the central, shared main segment of Boston's MBTA Red Line rapid transit route that multiple branches use to travel through the core of the system.
- F. None of above. chosen
Provenance (5 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_69ca83572d4881909bef3be2b578d539 |
completed | March 30, 2026, 2:06 p.m. |
| NER | Named-entity recognition | batch_69cc5cd6707c819092c9fca34f273d5e |
completed | March 31, 2026, 11:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cf28d62af88190acf2d8692d73b9f5 |
completed | April 3, 2026, 2:41 a.m. |
| NEDg | Description generation | batch_69cf2bd222b08190907ba7e98991996e |
completed | April 3, 2026, 2:54 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69cf2fcb5e7c819086b441d1ef4fc368 |
completed | April 3, 2026, 3:11 a.m. |
Created at: March 30, 2026, 6:35 p.m.