Triple

T5154398
Position Surface form Disambiguated ID Type / Status
Subject Schweizerische Centralbahn E116273 entity
Predicate operatedRailwayLine P5620 FINISHED
Object Basel–Lucerne railway line
The Basel–Lucerne railway line is a key Swiss rail route connecting the cities of Basel and Lucerne through the Swiss Plateau, serving both regional and long-distance passenger traffic.
 E509992 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: Basel–Lucerne railway line | Statement: [Schweizerische Centralbahn, operatedRailwayLine, Basel–Lucerne railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Basel–Lucerne railway line
Context triple: [Schweizerische Centralbahn, operatedRailwayLine, Basel–Lucerne railway line]
  • A. Bern–Lucerne railway line
    The Bern–Lucerne railway line is a major Swiss rail route connecting the capital city of Bern with the central Swiss city of Lucerne, serving as an important corridor for both regional and intercity passenger traffic.
  • B. Basel–Bern railway line
    The Basel–Bern railway line is a major Swiss rail route connecting the cities of Basel and Bern, forming an important part of the country’s intercity and regional rail network.
  • C. Basel–Olten railway line
    The Basel–Olten railway line is a major Swiss rail corridor linking the city of Basel with the central hub of Olten, forming part of a key national and international transit route.
  • D. Thun–Spiez railway line
    The Thun–Spiez railway line is a Swiss standard-gauge rail route in the canton of Bern that connects the town of Thun with the junction hub of Spiez, forming part of key north–south Alpine transit corridors.
  • E. Lausanne–Bern railway line
    The Lausanne–Bern railway line is a major Swiss rail corridor connecting the cities of Lausanne and Bern, forming part of the country’s primary east–west transit route.
  • 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: Basel–Lucerne railway line
Triple: [Schweizerische Centralbahn, operatedRailwayLine, Basel–Lucerne railway line]
Generated description
The Basel–Lucerne railway line is a key Swiss rail route connecting the cities of Basel and Lucerne through the Swiss Plateau, serving both regional and long-distance passenger traffic.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Basel–Lucerne railway line
Target entity description: The Basel–Lucerne railway line is a key Swiss rail route connecting the cities of Basel and Lucerne through the Swiss Plateau, serving both regional and long-distance passenger traffic.
  • A. Bern–Lucerne railway line
    The Bern–Lucerne railway line is a major Swiss rail route connecting the capital city of Bern with the central Swiss city of Lucerne, serving as an important corridor for both regional and intercity passenger traffic.
  • B. Basel–Bern railway line
    The Basel–Bern railway line is a major Swiss rail route connecting the cities of Basel and Bern, forming an important part of the country’s intercity and regional rail network.
  • C. Basel–Olten railway line
    The Basel–Olten railway line is a major Swiss rail corridor linking the city of Basel with the central hub of Olten, forming part of a key national and international transit route.
  • D. Thun–Spiez railway line
    The Thun–Spiez railway line is a Swiss standard-gauge rail route in the canton of Bern that connects the town of Thun with the junction hub of Spiez, forming part of key north–south Alpine transit corridors.
  • E. Lausanne–Bern railway line
    The Lausanne–Bern railway line is a major Swiss rail corridor connecting the cities of Lausanne and Bern, forming part of the country’s primary east–west transit route.
  • 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_69bd445d94788190b72e2cc563120995 completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd78dc329c8190808085c6b3e4241c completed March 20, 2026, 4:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf10be32448190a680a551acfb79c5 completed March 21, 2026, 9:42 p.m.
NEDg Description generation batch_69bf117894d481909817346060a28d07 completed March 21, 2026, 9:45 p.m.
NED2 Entity disambiguation (via description) batch_69bf1267a0a88190a558937fa7776ed7 completed March 21, 2026, 9:49 p.m.
Created at: March 20, 2026, 1:44 p.m.