Triple

T13533456

Position	Surface form	Disambiguated ID	Type / Status
Subject	Marseille-Saint-Charles station	`E323196`	entity
Predicate	isTerminusFor	`P388`	FINISHED
Object	Marseille–Briançon railway The Marseille–Briançon railway is a French rail line that connects the Mediterranean port city of Marseille with the Alpine town of Briançon, traversing varied terrain from coastal areas to mountainous regions.	`E1049306`	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: Marseille–Briançon railway | Statement: [Marseille-Saint-Charles station, isTerminusFor, Marseille–Briançon railway]

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

Target entity: Marseille–Briançon railway
Context triple: [Marseille-Saint-Charles station, isTerminusFor, Marseille–Briançon railway]

A. Lyon–Grenoble railway
The Lyon–Grenoble railway is a major French rail line connecting the city of Lyon with Grenoble, serving as an important corridor for both regional and long-distance passenger and freight traffic in southeastern France.
B. Lyon–Marseille railway
The Lyon–Marseille railway is a major French rail corridor linking the inland metropolis of Lyon with the Mediterranean port city of Marseille, serving as a key axis for both passenger and freight transport in southeastern France.
C. Maurienne railway line
The Maurienne railway line is a major rail route through the Maurienne Valley in the French Alps, forming part of a key international corridor between France and Italy.
D. Lyon–Saint-Étienne railway
The Lyon–Saint-Étienne railway is a major French rail line in the Auvergne-Rhône-Alpes region that connects the cities of Lyon and Saint-Étienne, serving both passenger and freight traffic.
E. Lyon–Bourg-en-Bresse railway
The Lyon–Bourg-en-Bresse railway is a key regional rail line in eastern France that connects the city of Lyon with Bourg-en-Bresse, serving both commuter and intercity traffic.
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: Marseille–Briançon railway
Triple: [Marseille-Saint-Charles station, isTerminusFor, Marseille–Briançon railway]

Generated description

The Marseille–Briançon railway is a French rail line that connects the Mediterranean port city of Marseille with the Alpine town of Briançon, traversing varied terrain from coastal areas to mountainous regions.

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

Target entity: Marseille–Briançon railway
Target entity description: The Marseille–Briançon railway is a French rail line that connects the Mediterranean port city of Marseille with the Alpine town of Briançon, traversing varied terrain from coastal areas to mountainous regions.

A. Lyon–Grenoble railway
The Lyon–Grenoble railway is a major French rail line connecting the city of Lyon with Grenoble, serving as an important corridor for both regional and long-distance passenger and freight traffic in southeastern France.
B. Lyon–Marseille railway
The Lyon–Marseille railway is a major French rail corridor linking the inland metropolis of Lyon with the Mediterranean port city of Marseille, serving as a key axis for both passenger and freight transport in southeastern France.
C. Maurienne railway line
The Maurienne railway line is a major rail route through the Maurienne Valley in the French Alps, forming part of a key international corridor between France and Italy.
D. Lyon–Saint-Étienne railway
The Lyon–Saint-Étienne railway is a major French rail line in the Auvergne-Rhône-Alpes region that connects the cities of Lyon and Saint-Étienne, serving both passenger and freight traffic.
E. Lyon–Bourg-en-Bresse railway
The Lyon–Bourg-en-Bresse railway is a key regional rail line in eastern France that connects the city of Lyon with Bourg-en-Bresse, serving both commuter and intercity traffic.
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_69d8076776248190bdf0d4fa1f85a5fc`	completed	April 9, 2026, 8:09 p.m.
NER	Named-entity recognition	`batch_69dbafbb34548190a6b44faa48125cd4`	completed	April 12, 2026, 2:44 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69f76babfb948190bc028450ddaa0b72`	completed	May 3, 2026, 3:37 p.m.
NEDg	Description generation	`batch_69f77640b5308190aaa50e8d5d871832`	completed	May 3, 2026, 4:22 p.m.
NED2	Entity disambiguation (via description)	`batch_69f77923fd1481908af251a1dcbcf441`	completed	May 3, 2026, 4:34 p.m.

Created at: April 9, 2026, 9:44 p.m.