Triple

T11904322
Position Surface form Disambiguated ID Type / Status
Subject Stuttgart Stadtbahn E283234 entity
Predicate hasLine P35 FINISHED
Object U12
U12 is a light rail line of the Stuttgart Stadtbahn public transit network in Stuttgart, Germany.
 E953836 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: U12 | Statement: [Stuttgart Stadtbahn, hasLine, U12]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: U12
Context triple: [Stuttgart Stadtbahn, hasLine, U12]
  • A. U15
    U15 is a collective of leading Canadian research-intensive universities known for their major contributions to advanced research, innovation, and graduate education.
  • B. U7
    U7 is a line of the Berlin U-Bahn rapid transit system, running in an east–west direction across the city.
  • C. U7
    U7 is a supplementary line of the Munich U-Bahn rapid transit system, typically operating as a reinforcement or special service on existing routes.
  • D. U-17
    U-17 is a youth football age category for players under 17 years old, commonly used in international and domestic competitions.
  • E. U1
    U1 is a major line of the Munich U-Bahn rapid transit system, running through key districts of the city and connecting important residential and commercial areas.
  • 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: U12
Triple: [Stuttgart Stadtbahn, hasLine, U12]
Generated description
U12 is a light rail line of the Stuttgart Stadtbahn public transit network in Stuttgart, Germany.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: U12
Target entity description: U12 is a light rail line of the Stuttgart Stadtbahn public transit network in Stuttgart, Germany.
  • A. U15
    U15 is a collective of leading Canadian research-intensive universities known for their major contributions to advanced research, innovation, and graduate education.
  • B. U7
    U7 is a supplementary line of the Munich U-Bahn rapid transit system, typically operating as a reinforcement or special service on existing routes.
  • C. U7
    U7 is a line of the Berlin U-Bahn rapid transit system, running in an east–west direction across the city.
  • D. U-17
    U-17 is a youth football age category for players under 17 years old, commonly used in international and domestic competitions.
  • E. U1
    U1 is a major line of the Munich U-Bahn rapid transit system, running through key districts of the city and connecting important residential and commercial areas.
  • 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_69d6ab2c07e88190ba13b0d21fd6cf33 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d8e525460c81909d855048d9c799bf completed April 10, 2026, 11:55 a.m.
NED1 Entity disambiguation (via context triple) batch_69f418487f448190b6e24fb2c0409e3f completed May 1, 2026, 3:04 a.m.
NEDg Description generation batch_69f41f1d2da0819082f00cf61a6530b6 completed May 1, 2026, 3:33 a.m.
NED2 Entity disambiguation (via description) batch_69f4228a73708190a6d2db321e175921 completed May 1, 2026, 3:48 a.m.
Created at: April 8, 2026, 9:44 p.m.