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.