Triple

T11646998
Position Surface form Disambiguated ID Type / Status
Subject U1 (Vienna U-Bahn) E276799 entity
Predicate extension P11869 FINISHED
Object Oberlaa extension
The Oberlaa extension is a southern expansion of Vienna’s U1 metro line that connects the city’s network to the Oberlaa area, improving access to its residential districts and spa facilities.
 E938854 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: Oberlaa extension | Statement: [U1 (Vienna U-Bahn), extension, Oberlaa extension]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Oberlaa extension
Context triple: [U1 (Vienna U-Bahn), extension, Oberlaa extension]
  • A. Stubenring
    Stubenring is a prominent section of Vienna’s historic Ringstrasse boulevard, known for its grand architecture and important public buildings.
  • B. Erasbach
    Erasbach is a small locality in Bavaria, Germany, best known as the birthplace of the composer Christoph Willibald Gluck.
  • C. Scheibenhof
    Scheibenhof is a locality or district that forms part of the city of Krems an der Donau in Lower Austria.
  • D. Sternschanze
    Sternschanze is a trendy Hamburg neighborhood known for its alternative culture, vibrant nightlife, and street art.
  • E. Egloffstein
    Egloffstein is a small market town in northern Bavaria, Germany, known for its historic castle and scenic location in the Franconian Switzerland region.
  • 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: Oberlaa extension
Triple: [U1 (Vienna U-Bahn), extension, Oberlaa extension]
Generated description
The Oberlaa extension is a southern expansion of Vienna’s U1 metro line that connects the city’s network to the Oberlaa area, improving access to its residential districts and spa facilities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Oberlaa extension
Target entity description: The Oberlaa extension is a southern expansion of Vienna’s U1 metro line that connects the city’s network to the Oberlaa area, improving access to its residential districts and spa facilities.
  • A. Stubenring
    Stubenring is a prominent section of Vienna’s historic Ringstrasse boulevard, known for its grand architecture and important public buildings.
  • B. Erasbach
    Erasbach is a small locality in Bavaria, Germany, best known as the birthplace of the composer Christoph Willibald Gluck.
  • C. Scheibenhof
    Scheibenhof is a locality or district that forms part of the city of Krems an der Donau in Lower Austria.
  • D. Sternschanze
    Sternschanze is a trendy Hamburg neighborhood known for its alternative culture, vibrant nightlife, and street art.
  • E. Egloffstein
    Egloffstein is a small market town in northern Bavaria, Germany, known for its historic castle and scenic location in the Franconian Switzerland region.
  • 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_69d6aafbb3c081908a9cdb4ecb8d981d completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8a2cc8bfc8190a063cc37de9596a9 completed April 10, 2026, 7:12 a.m.
NED1 Entity disambiguation (via context triple) batch_69ee87f903c48190b9055ad4cfebb1e1 completed April 26, 2026, 9:47 p.m.
NEDg Description generation batch_69eeb314eef0819091a949bbfc820ee9 completed April 27, 2026, 12:51 a.m.
NED2 Entity disambiguation (via description) batch_69eee9a79d348190bb3e15f0d37b9d57 completed April 27, 2026, 4:44 a.m.
Created at: April 8, 2026, 9:39 p.m.