Triple

T11646932
Position Surface form Disambiguated ID Type / Status
Subject Praterstern railway station E276798 entity
Predicate railwayLine P848 FINISHED
Object S2 line
The S2 line is a suburban rail service in Vienna’s S-Bahn network that connects central hubs like Praterstern with surrounding districts and regional destinations.
 E939192 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: S2 line | Statement: [Praterstern railway station, railwayLine, S2 line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: S2 line
Context triple: [Praterstern railway station, railwayLine, S2 line]
  • A. S2 line
    The S2 line is a route of the Rhine-Main S-Bahn network serving the Frankfurt metropolitan area, including central hubs such as Frankfurt Hauptwache station.
  • B. S2 line
    The S2 line is a commuter rail service of the Zürich S-Bahn network that connects the city with surrounding suburban and regional areas.
  • C. S5 line
    The S5 line is a regional commuter rail service within the Zürich S-Bahn network, connecting the city with its surrounding suburbs and towns.
  • D. S5 line
    The S5 line is a route of the Rhine-Main S-Bahn network serving the Frankfurt metropolitan area, connecting central Frankfurt with its surrounding suburbs.
  • E. S5 line
    The S5 line is a route of the Berlin S-Bahn rapid transit network that runs across the city and serves stations including Berlin Grunewald.
  • 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: S2 line
Triple: [Praterstern railway station, railwayLine, S2 line]
Generated description
The S2 line is a suburban rail service in Vienna’s S-Bahn network that connects central hubs like Praterstern with surrounding districts and regional destinations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: S2 line
Target entity description: The S2 line is a suburban rail service in Vienna’s S-Bahn network that connects central hubs like Praterstern with surrounding districts and regional destinations.
  • A. S2 line
    The S2 line is a route of the Rhine-Main S-Bahn network serving the Frankfurt metropolitan area, including central hubs such as Frankfurt Hauptwache station.
  • B. S2 line
    The S2 line is a commuter rail service of the Zürich S-Bahn network that connects the city with surrounding suburban and regional areas.
  • C. S5 line
    The S5 line is a route of the Rhine-Main S-Bahn network serving the Frankfurt metropolitan area, connecting central Frankfurt with its surrounding suburbs.
  • D. S5 line
    The S5 line is a route of the Berlin S-Bahn rapid transit network that runs across the city and serves stations including Berlin Grunewald.
  • E. S5 line
    The S5 line is a regional commuter rail service within the Zürich S-Bahn network, connecting the city with its surrounding suburbs and towns.
  • 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_69ef1381a49c81909d849edbfab7448e completed April 27, 2026, 7:42 a.m.
NEDg Description generation batch_69ef3550fae881909246cd4cca047a19 completed April 27, 2026, 10:07 a.m.
NED2 Entity disambiguation (via description) batch_69ef519f95488190b4b5a167aa930133 completed April 27, 2026, 12:08 p.m.
Created at: April 8, 2026, 9:39 p.m.