Triple

T930014

Position	Surface form	Disambiguated ID	Type / Status
Subject	Bern railway station	`E20069`	entity
Predicate	railwayLine	`P848`	FINISHED
Object	Bern–Fribourg railway line The Bern–Fribourg railway line is a key Swiss standard-gauge rail route connecting the cities of Bern and Fribourg, forming part of an important national and international transit corridor.	`E117963`	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: Bern–Fribourg railway line | Statement: [Bern railway station, railwayLine, Bern–Fribourg railway line]

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

Target entity: Bern–Fribourg railway line
Context triple: [Bern railway station, railwayLine, Bern–Fribourg railway line]

A. Bern–Neuchâtel railway line
The Bern–Neuchâtel railway line is a key Swiss standard-gauge route connecting the federal city of Bern with Neuchâtel, serving both regional and intercity passenger traffic.
B. 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.
C. Bern–Thun railway line
The Bern–Thun railway line is a key Swiss rail route connecting the capital city of Bern with the town of Thun, serving as an important corridor for both regional and long-distance passenger services.
D. Bern–Biel/Bienne railway line
The Bern–Biel/Bienne railway line is a major Swiss standard-gauge route connecting the capital city of Bern with the bilingual city of Biel/Bienne, serving as an important corridor for both regional and intercity passenger traffic.
E. 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.
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: Bern–Fribourg railway line
Triple: [Bern railway station, railwayLine, Bern–Fribourg railway line]

Generated description

The Bern–Fribourg railway line is a key Swiss standard-gauge rail route connecting the cities of Bern and Fribourg, forming part of an important national and international transit corridor.

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

Target entity: Bern–Fribourg railway line
Target entity description: The Bern–Fribourg railway line is a key Swiss standard-gauge rail route connecting the cities of Bern and Fribourg, forming part of an important national and international transit corridor.

A. Bern–Neuchâtel railway line
The Bern–Neuchâtel railway line is a key Swiss standard-gauge route connecting the federal city of Bern with Neuchâtel, serving both regional and intercity passenger traffic.
B. 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.
C. Bern–Thun railway line
The Bern–Thun railway line is a key Swiss rail route connecting the capital city of Bern with the town of Thun, serving as an important corridor for both regional and long-distance passenger services.
D. Bern–Biel/Bienne railway line
The Bern–Biel/Bienne railway line is a major Swiss standard-gauge route connecting the capital city of Bern with the bilingual city of Biel/Bienne, serving as an important corridor for both regional and intercity passenger traffic.
E. 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.
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_69a493af3dc48190adb7263e6e445ea1`	completed	March 1, 2026, 7:29 p.m.
NER	Named-entity recognition	`batch_69a4b349b3d0819090c58b4fb60c6a1b`	completed	March 1, 2026, 9:44 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69ac2a0f4e088190b2fcd01e9475ff5d`	completed	March 7, 2026, 1:37 p.m.
NEDg	Description generation	`batch_69ac2a8dd818819088e6140e9a12594b`	completed	March 7, 2026, 1:39 p.m.
NED2	Entity disambiguation (via description)	`batch_69ac2af2efd88190b1da673aa3ead5fd`	completed	March 7, 2026, 1:41 p.m.

Created at: March 1, 2026, 7:40 p.m.