Triple

T5483462

Position	Surface form	Disambiguated ID	Type / Status
Subject	Bologna Centrale railway station	`E123520`	entity
Predicate	isPartOf	`P10`	FINISHED
Object	Bologna–Florence railway The Bologna–Florence railway is a major Italian rail line crossing the Apennine Mountains to connect the northern city of Bologna with Florence in central Italy, serving as a key corridor between northern and southern Italy.	`E524232`	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: Bologna–Florence railway | Statement: [Bologna Centrale railway station, isPartOf, Bologna–Florence railway]

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

Target entity: Bologna–Florence railway
Context triple: [Bologna Centrale railway station, isPartOf, Bologna–Florence railway]

A. Milan–Bologna railway
The Milan–Bologna railway is a major Italian mainline rail corridor connecting the northern cities of Milan and Bologna and forming a key segment of the country’s high-capacity transport network.
B. Venice–Florence railway
The Venice–Florence railway is a major Italian rail line connecting the historic cities of Venice and Florence, serving as a key corridor for both high-speed and regional passenger services in northeastern and central Italy.
C. Turin–Milan railway
The Turin–Milan railway is a major Italian rail corridor connecting the cities of Turin and Milan, serving as a key route for both regional and high-speed passenger services in northern Italy.
D. Turin–Savona railway
The Turin–Savona railway is a major Italian rail line connecting the city of Turin in Piedmont with the port city of Savona on the Ligurian coast, serving both passenger and freight traffic across northwestern Italy.
E. Empoli–Siena railway
The Empoli–Siena railway is a regional rail line in Tuscany, Italy, connecting the cities of Empoli and Siena and serving several intermediate towns including Certaldo.
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: Bologna–Florence railway
Triple: [Bologna Centrale railway station, isPartOf, Bologna–Florence railway]

Generated description

The Bologna–Florence railway is a major Italian rail line crossing the Apennine Mountains to connect the northern city of Bologna with Florence in central Italy, serving as a key corridor between northern and southern Italy.

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

Target entity: Bologna–Florence railway
Target entity description: The Bologna–Florence railway is a major Italian rail line crossing the Apennine Mountains to connect the northern city of Bologna with Florence in central Italy, serving as a key corridor between northern and southern Italy.

A. Milan–Bologna railway
The Milan–Bologna railway is a major Italian mainline rail corridor connecting the northern cities of Milan and Bologna and forming a key segment of the country’s high-capacity transport network.
B. Venice–Florence railway
The Venice–Florence railway is a major Italian rail line connecting the historic cities of Venice and Florence, serving as a key corridor for both high-speed and regional passenger services in northeastern and central Italy.
C. Turin–Milan railway
The Turin–Milan railway is a major Italian rail corridor connecting the cities of Turin and Milan, serving as a key route for both regional and high-speed passenger services in northern Italy.
D. Turin–Savona railway
The Turin–Savona railway is a major Italian rail line connecting the city of Turin in Piedmont with the port city of Savona on the Ligurian coast, serving both passenger and freight traffic across northwestern Italy.
E. Empoli–Siena railway
The Empoli–Siena railway is a regional rail line in Tuscany, Italy, connecting the cities of Empoli and Siena and serving several intermediate towns including Certaldo.
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_69bd4648883481909e9775d43300c5fa`	completed	March 20, 2026, 1:06 p.m.
NER	Named-entity recognition	`batch_69bd925deadc81908e193eeb75b63d90`	completed	March 20, 2026, 6:30 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69bf6c812d4c8190a22f76b787ab0f10`	completed	March 22, 2026, 4:13 a.m.
NEDg	Description generation	`batch_69bf6eae5d808190aa3a166407dbc461`	completed	March 22, 2026, 4:23 a.m.
NED2	Entity disambiguation (via description)	`batch_69bf6f418e188190b347a72b81abd573`	completed	March 22, 2026, 4:25 a.m.

Created at: March 20, 2026, 2:10 p.m.