Triple

T11881375
Position Surface form Disambiguated ID Type / Status
Subject Hietzing E282664 entity
Predicate hasPublicTransportConnection P3791 FINISHED
Object Vienna U4 metro line
The Vienna U4 metro line is one of the main rapid transit lines in Vienna, running roughly along the Wien River and connecting key districts and transport hubs across the city.
 E975398 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: Vienna U4 metro line | Statement: [Hietzing, hasPublicTransportConnection, Vienna U4 metro line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Vienna U4 metro line
Context triple: [Hietzing, hasPublicTransportConnection, Vienna U4 metro line]
  • A. Vienna U2 line
    The Vienna U2 line is one of the city’s main underground metro lines, running across central districts including Leopoldstadt and connecting key cultural, residential, and event areas.
  • B. Vienna U1 line
    The Vienna U1 line is one of the main lines of the Vienna U-Bahn rapid transit system, running in a north–south direction and connecting several key districts and transport hubs across the city.
  • C. Vienna U-Bahn network
    The Vienna U-Bahn network is the rapid transit system serving Austria’s capital, consisting of multiple underground lines that form the backbone of public transportation in Vienna.
  • D. U6 (Vienna U-Bahn)
    U6 is one of the main lines of the Vienna U-Bahn network, running in a north–south arc and serving numerous residential and commercial districts with frequent rapid transit service.
  • E. Vienna tramway network
    The Vienna tramway network is an extensive and historic urban light rail system in Austria’s capital, forming a core part of the city’s public transportation.
  • 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: Vienna U4 metro line
Triple: [Hietzing, hasPublicTransportConnection, Vienna U4 metro line]
Generated description
The Vienna U4 metro line is one of the main rapid transit lines in Vienna, running roughly along the Wien River and connecting key districts and transport hubs across the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Vienna U4 metro line
Target entity description: The Vienna U4 metro line is one of the main rapid transit lines in Vienna, running roughly along the Wien River and connecting key districts and transport hubs across the city.
  • A. Vienna U2 line
    The Vienna U2 line is one of the city’s main underground metro lines, running across central districts including Leopoldstadt and connecting key cultural, residential, and event areas.
  • B. Vienna U1 line
    The Vienna U1 line is one of the main lines of the Vienna U-Bahn rapid transit system, running in a north–south direction and connecting several key districts and transport hubs across the city.
  • C. Vienna U-Bahn network
    The Vienna U-Bahn network is the rapid transit system serving Austria’s capital, consisting of multiple underground lines that form the backbone of public transportation in Vienna.
  • D. U6 (Vienna U-Bahn)
    U6 is one of the main lines of the Vienna U-Bahn network, running in a north–south arc and serving numerous residential and commercial districts with frequent rapid transit service.
  • E. Vienna tramway network
    The Vienna tramway network is an extensive and historic urban light rail system in Austria’s capital, forming a core part of the city’s public transportation.
  • 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_69d6ab2a90b08190a4e818821cc93e6d completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d8d39d2934819093b9f7006f45e5cb completed April 10, 2026, 10:40 a.m.
NED1 Entity disambiguation (via context triple) batch_69f61e3532b881909673e856b6c54a2c completed May 2, 2026, 3:54 p.m.
NEDg Description generation batch_69f61f5b107c819082094791fcf7c5f4 completed May 2, 2026, 3:59 p.m.
NED2 Entity disambiguation (via description) batch_69f62009766c8190985fafe9ba53ae7b completed May 2, 2026, 4:02 p.m.
Created at: April 8, 2026, 9:44 p.m.