Triple

T163113

Position	Surface form	Disambiguated ID	Type / Status
Subject	Gare de Genève-Cornavin	`E2952`	entity
Predicate	railwayLine	`P848`	FINISHED
Object	Lausanne–Geneva railway line The Lausanne–Geneva railway line is a major Swiss rail corridor connecting the cities of Lausanne and Geneva along the northern shore of Lake Geneva, serving as a key route for both regional and international trains.	`E21771`	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: Lausanne–Geneva railway line | Statement: [Gare de Genève-Cornavin, railwayLine, Lausanne–Geneva railway line]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Lausanne–Geneva railway line
Context triple: [Gare de Genève-Cornavin, railwayLine, Lausanne–Geneva railway line]

A. Geneva–Lyon railway
The Geneva–Lyon railway is an international rail line linking the Swiss city of Geneva with Lyon in France, serving as a key passenger and freight corridor between the two countries.
B. 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.
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. Basel–Mulhouse–Freiburg transport corridor
The Basel–Mulhouse–Freiburg transport corridor is a major transnational hub in the Upper Rhine region that integrates road, rail, and air links between France, Switzerland, and Germany around the tri-city area.
E. Vallorbe–Jougne crossing
The Vallorbe–Jougne crossing is a major road and rail border checkpoint in the Jura Mountains linking the Swiss town of Vallorbe with the French commune of Jougne.
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: Lausanne–Geneva railway line
Triple: [Gare de Genève-Cornavin, railwayLine, Lausanne–Geneva railway line]

Generated description

The Lausanne–Geneva railway line is a major Swiss rail corridor connecting the cities of Lausanne and Geneva along the northern shore of Lake Geneva, serving as a key route for both regional and international trains.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Lausanne–Geneva railway line
Target entity description: The Lausanne–Geneva railway line is a major Swiss rail corridor connecting the cities of Lausanne and Geneva along the northern shore of Lake Geneva, serving as a key route for both regional and international trains.

A. Geneva–Lyon railway
The Geneva–Lyon railway is an international rail line linking the Swiss city of Geneva with Lyon in France, serving as a key passenger and freight corridor between the two countries.
B. 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.
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. Basel–Mulhouse–Freiburg transport corridor
The Basel–Mulhouse–Freiburg transport corridor is a major transnational hub in the Upper Rhine region that integrates road, rail, and air links between France, Switzerland, and Germany around the tri-city area.
E. Vallorbe–Jougne crossing
The Vallorbe–Jougne crossing is a major road and rail border checkpoint in the Jura Mountains linking the Swiss town of Vallorbe with the French commune of Jougne.
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_69a2524ce1e48190ab066bf72859f474`	completed	Feb. 28, 2026, 2:26 a.m.
NER	Named-entity recognition	`batch_69a2585a1a6481908899ad51211950e8`	completed	Feb. 28, 2026, 2:52 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69a2e7e236708190b9e4551b4442873c`	completed	Feb. 28, 2026, 1:04 p.m.
NEDg	Description generation	`batch_69a2ea06ec488190a01d2759ee9f7b6d`	completed	Feb. 28, 2026, 1:13 p.m.
NED2	Entity disambiguation (via description)	`batch_69a2eaab2c848190840b1d6cae270ffb`	completed	Feb. 28, 2026, 1:16 p.m.

Created at: Feb. 28, 2026, 2:34 a.m.