Triple

T568684
Position Surface form Disambiguated ID Type / Status
Subject Berlin U-Bahn line U6 E13613 entity
Predicate formerName P65 FINISHED
Object Nord-Süd-Bahn
Nord-Süd-Bahn was the original name of Berlin’s present-day U6 U-Bahn line, a major north–south underground route through the city.
E71198 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: Nord-Süd-Bahn | Statement: [Berlin U-Bahn line U6, formerName, Nord-Süd-Bahn]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nord-Süd-Bahn
Context triple: [Berlin U-Bahn line U6, formerName, Nord-Süd-Bahn]
  • A. Rhine Railway
    The Rhine Railway is a major railway line in Western Europe that connects key cities along the Rhine corridor, facilitating both international passenger and freight transport.
  • B. Vennbahn railway
    The Vennbahn railway is a historic cross-border railway line in the Ardennes region whose unique post-World War I alignment created several German exclaves within Belgium.
  • C. Basel–Mulhouse railway
    The Basel–Mulhouse railway is an international rail line linking the Swiss city of Basel with the French city of Mulhouse, serving as a key cross-border transport corridor between Switzerland and France.
  • D. Paris–Lausanne railway
    The Paris–Lausanne railway is an international rail line connecting the French capital Paris with the Swiss city of Lausanne, serving as a major passenger and freight corridor between France and Switzerland.
  • E. Chemnitz–Annaberg-Buchholz railway
    The Chemnitz–Annaberg-Buchholz railway is a regional rail line in the German state of Saxony that connects the city of Chemnitz with the Erzgebirge (Ore Mountains) town of Annaberg-Buchholz.
  • 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: Nord-Süd-Bahn
Triple: [Berlin U-Bahn line U6, formerName, Nord-Süd-Bahn]
Generated description
Nord-Süd-Bahn was the original name of Berlin’s present-day U6 U-Bahn line, a major north–south underground route through the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nord-Süd-Bahn
Target entity description: Nord-Süd-Bahn was the original name of Berlin’s present-day U6 U-Bahn line, a major north–south underground route through the city.
  • A. Rhine Railway
    The Rhine Railway is a major railway line in Western Europe that connects key cities along the Rhine corridor, facilitating both international passenger and freight transport.
  • B. Vennbahn railway
    The Vennbahn railway is a historic cross-border railway line in the Ardennes region whose unique post-World War I alignment created several German exclaves within Belgium.
  • C. Basel–Mulhouse railway
    The Basel–Mulhouse railway is an international rail line linking the Swiss city of Basel with the French city of Mulhouse, serving as a key cross-border transport corridor between Switzerland and France.
  • D. Paris–Lausanne railway
    The Paris–Lausanne railway is an international rail line connecting the French capital Paris with the Swiss city of Lausanne, serving as a major passenger and freight corridor between France and Switzerland.
  • E. Chemnitz–Annaberg-Buchholz railway
    The Chemnitz–Annaberg-Buchholz railway is a regional rail line in the German state of Saxony that connects the city of Chemnitz with the Erzgebirge (Ore Mountains) town of Annaberg-Buchholz.
  • 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_69a4933fa4d88190a7949cc83c08c5c1 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a49b0406d481908af5fc7bc67103fb completed March 1, 2026, 8:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4efd0d5b88190a8c0822800f48e2a completed March 2, 2026, 2:02 a.m.
NEDg Description generation batch_69a4f043efec8190a3f53ab2764252be completed March 2, 2026, 2:04 a.m.
NED2 Entity disambiguation (via description) batch_69a4f3eb1e3481909aa2b8290ed99e49 completed March 2, 2026, 2:20 a.m.
Created at: March 1, 2026, 7:33 p.m.