Triple

T5483468

Position	Surface form	Disambiguated ID	Type / Status
Subject	Bologna Centrale railway station	`E123520`	entity
Predicate	isPartOf	`P10`	FINISHED
Object	Bologna–Ferrara railway The Bologna–Ferrara railway is a key rail line in northern Italy that connects the major transport hub of Bologna with the city of Ferrara, serving both regional and long-distance traffic.	`E525215`	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–Ferrara railway | Statement: [Bologna Centrale railway station, isPartOf, Bologna–Ferrara railway]

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

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

A. Bologna–Rimini railway
The Bologna–Rimini railway is a major Italian rail line in the Emilia-Romagna region that connects the inland city of Bologna with the Adriatic coastal city of Rimini, serving as an important corridor for both regional and long-distance passenger and freight traffic.
B. Bologna–Padua railway
The Bologna–Padua railway is a major Italian rail line in northern Italy that connects the cities of Bologna and Padua, serving as an important corridor for both regional and long-distance passenger and freight traffic.
C. Verona–Bologna railway
The Verona–Bologna railway is a major Italian rail line connecting the cities of Verona and Bologna, serving as an important north–south transport corridor in northern Italy.
D. Bologna–Ancona railway
The Bologna–Ancona railway is a major Italian rail line connecting the inland city of Bologna with the Adriatic coastal city of Ancona, serving as an important corridor for both passenger and freight traffic.
E. 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.
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–Ferrara railway
Triple: [Bologna Centrale railway station, isPartOf, Bologna–Ferrara railway]

Generated description

The Bologna–Ferrara railway is a key rail line in northern Italy that connects the major transport hub of Bologna with the city of Ferrara, serving both regional and long-distance traffic.

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

Target entity: Bologna–Ferrara railway
Target entity description: The Bologna–Ferrara railway is a key rail line in northern Italy that connects the major transport hub of Bologna with the city of Ferrara, serving both regional and long-distance traffic.

A. Bologna–Rimini railway
The Bologna–Rimini railway is a major Italian rail line in the Emilia-Romagna region that connects the inland city of Bologna with the Adriatic coastal city of Rimini, serving as an important corridor for both regional and long-distance passenger and freight traffic.
B. Bologna–Padua railway
The Bologna–Padua railway is a major Italian rail line in northern Italy that connects the cities of Bologna and Padua, serving as an important corridor for both regional and long-distance passenger and freight traffic.
C. Verona–Bologna railway
The Verona–Bologna railway is a major Italian rail line connecting the cities of Verona and Bologna, serving as an important north–south transport corridor in northern Italy.
D. Bologna–Ancona railway
The Bologna–Ancona railway is a major Italian rail line connecting the inland city of Bologna with the Adriatic coastal city of Ancona, serving as an important corridor for both passenger and freight traffic.
E. 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.
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_69bf88e60d9c81909c735c6691ffc65f`	completed	March 22, 2026, 6:15 a.m.
NEDg	Description generation	`batch_69bf893b2e548190b25acf4a6f0345d0`	completed	March 22, 2026, 6:16 a.m.
NED2	Entity disambiguation (via description)	`batch_69bf8985575c8190ab53886099789cab`	completed	March 22, 2026, 6:17 a.m.

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