Triple

T14133244
Position Surface form Disambiguated ID Type / Status
Subject Schwedenplatz transport hub E350221 entity
Predicate servedByMetroLine P6301 FINISHED
Object U4
U4 is one of Vienna’s main underground metro lines, running along the city’s central axis and connecting key districts and transport hubs.
E1082655 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: U4 | Statement: [Schwedenplatz transport hub, servedByMetroLine, U4]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: U4
Context triple: [Schwedenplatz transport hub, servedByMetroLine, U4]
  • A. U4
    U4 is a line of the Frankfurt U-Bahn rapid transit system in Frankfurt, Germany.
  • B. U4
    U4 is a line of the Munich U-Bahn rapid transit system serving several central and eastern districts of Munich, Germany.
  • C. U4
    U4 is a light rail line of the Stuttgart Stadtbahn public transit network in Stuttgart, Germany.
  • D. U4
    U4 is one of the shortest and oldest lines of the Berlin U-Bahn, running entirely within the central district of Schöneberg.
  • E. U5
    U5 is one of the lines of the Frankfurt U-Bahn rapid transit system in Frankfurt, Germany.
  • 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: U4
Triple: [Schwedenplatz transport hub, servedByMetroLine, U4]
Generated description
U4 is one of Vienna’s main underground metro lines, running along the city’s central axis and connecting key districts and transport hubs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: U4
Target entity description: U4 is one of Vienna’s main underground metro lines, running along the city’s central axis and connecting key districts and transport hubs.
  • A. U4
    U4 is a line of the Frankfurt U-Bahn rapid transit system in Frankfurt, Germany.
  • B. U4
    U4 is one of the shortest and oldest lines of the Berlin U-Bahn, running entirely within the central district of Schöneberg.
  • C. U4
    U4 is a line of the Munich U-Bahn rapid transit system serving several central and eastern districts of Munich, Germany.
  • D. U4
    U4 is a light rail line of the Stuttgart Stadtbahn public transit network in Stuttgart, Germany.
  • E. U5
    U5 is one of the lines of the Frankfurt U-Bahn rapid transit system in Frankfurt, Germany.
  • 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_69d827865f608190b311820428ae027b completed April 9, 2026, 10:26 p.m.
NER Named-entity recognition batch_69de610cece88190b4a86500677e5938 completed April 14, 2026, 3:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69fcdf1288b48190a382732fac13aaf7 completed May 7, 2026, 6:50 p.m.
NEDg Description generation batch_69fce0dec2488190be9c24d3744e7243 completed May 7, 2026, 6:58 p.m.
NED2 Entity disambiguation (via description) batch_69fce206b0588190a0f4b24231d3c365 completed May 7, 2026, 7:03 p.m.
Created at: April 9, 2026, 11:34 p.m.