Triple

T10950428
Position Surface form Disambiguated ID Type / Status
Subject St. Pauli U-Bahn station E258710 entity
Predicate isInUndergroundSectionOfLine P15152 FINISHED
Object U3 city circle line
The U3 city circle line is a major Hamburg U-Bahn line that forms a circular route around the city center, connecting key districts and landmarks.
E894675 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: U3 city circle line | Statement: [St. Pauli U-Bahn station, isInUndergroundSectionOfLine, U3 city circle line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: U3 city circle line
Context triple: [St. Pauli U-Bahn station, isInUndergroundSectionOfLine, U3 city circle line]
  • A. U3 line
    The U3 line is a route of the Frankfurt U-Bahn rapid transit system that connects central Frankfurt with its northwestern suburbs.
  • B. City Circle Line
    The City Circle Line is a driverless rapid transit route in Copenhagen’s metro system that forms a loop connecting key districts and major transport hubs across the city.
  • C. U5 line
    The U5 line is a major Berlin U-Bahn route running east–west that connects central hubs like Alexanderplatz with eastern districts of the city.
  • D. U1 line
    The U1 line is a route of the Frankfurt U-Bahn rapid transit system that connects central Frankfurt with several northern suburbs.
  • E. Big Circle Line
    The Big Circle Line is a major circular metro line in the Moscow Metro system designed to connect outlying radial lines and reduce congestion in the city center.
  • 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: U3 city circle line
Triple: [St. Pauli U-Bahn station, isInUndergroundSectionOfLine, U3 city circle line]
Generated description
The U3 city circle line is a major Hamburg U-Bahn line that forms a circular route around the city center, connecting key districts and landmarks.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: U3 city circle line
Target entity description: The U3 city circle line is a major Hamburg U-Bahn line that forms a circular route around the city center, connecting key districts and landmarks.
  • A. U3 line
    The U3 line is a route of the Frankfurt U-Bahn rapid transit system that connects central Frankfurt with its northwestern suburbs.
  • B. City Circle Line
    The City Circle Line is a driverless rapid transit route in Copenhagen’s metro system that forms a loop connecting key districts and major transport hubs across the city.
  • C. U5 line
    The U5 line is a major Berlin U-Bahn route running east–west that connects central hubs like Alexanderplatz with eastern districts of the city.
  • D. U1 line
    The U1 line is a route of the Frankfurt U-Bahn rapid transit system that connects central Frankfurt with several northern suburbs.
  • E. Big Circle Line
    The Big Circle Line is a major circular metro line in the Moscow Metro system designed to connect outlying radial lines and reduce congestion in the city center.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: isInUndergroundSectionOfLine
Context triple: [St. Pauli U-Bahn station, isInUndergroundSectionOfLine, U3 city circle line]
  • A. hasSubwayLineAboveOrBelow
    Indicates that one subway line is physically located above or below another subway line, such as on different levels of a transit system.
  • B. hasUndergroundSection chosen
    Indicates that an entity includes a portion or segment that is located below ground level.
  • C. nearUndergroundLine
    Indicates that one entity is located close in distance to an underground (subway/metro) line.
  • D. subwayLine
    Indicates that there is a subway line connection or service relationship between the referenced entities.
  • E. isBetweenStationsOnLine
    Indicates that something is located or occurs between two stations along the same transit line.
  • 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_69d6aa88500c819097d7032ca578e74f completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d770ed2f1c819081ec58457f57889d completed April 9, 2026, 9:27 a.m.
NED1 Entity disambiguation (via context triple) batch_69e23c57038c819087671177c2ed5633 completed April 17, 2026, 1:57 p.m.
NEDg Description generation batch_69e24543bd2c8190a3c807baa76c30f6 completed April 17, 2026, 2:35 p.m.
NED2 Entity disambiguation (via description) batch_69e25d11ef24819091e730ae2416a058 completed April 17, 2026, 4:17 p.m.
PD Predicate disambiguation batch_69d72e874f48819096ffa878f90c7d5b completed April 9, 2026, 4:43 a.m.
Created at: April 8, 2026, 9:23 p.m.