Triple

T18583939
Position Surface form Disambiguated ID Type / Status
Subject Viareggio railway station E454190 entity
Predicate railwayLine P848 FINISHED
Object Lucca–Viareggio railway
The Lucca–Viareggio railway is a regional rail line in Tuscany, Italy, connecting the inland city of Lucca with the coastal resort town of Viareggio.
E1340800 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: Lucca–Viareggio railway | Statement: [Viareggio railway station, railwayLine, Lucca–Viareggio railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lucca–Viareggio railway
Context triple: [Viareggio railway station, railwayLine, Lucca–Viareggio railway]
  • A. Florence–Viareggio railway
    The Florence–Viareggio railway is a major Italian rail line connecting the inland city of Florence with the coastal town of Viareggio, serving both regional and intercity traffic across Tuscany.
  • B. Florence–Pisa–Livorno railway
    The Florence–Pisa–Livorno railway is a major Italian rail line in Tuscany that connects the inland city of Florence with the coastal cities of Pisa and Livorno, serving as an important route for both regional and long-distance passenger traffic.
  • C. Rome–Pisa railway
    The Rome–Pisa railway is a major Italian rail line running along the Tyrrhenian coast, connecting Rome with Pisa and serving numerous coastal towns and cities in between.
  • D. Pisa–La Spezia–Genoa railway
    The Pisa–La Spezia–Genoa railway is a major Italian coastal rail line that connects Tuscany and Liguria along the Tyrrhenian Sea, serving important cities and tourist destinations between Pisa and Genoa.
  • E. 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.
  • 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: Lucca–Viareggio railway
Triple: [Viareggio railway station, railwayLine, Lucca–Viareggio railway]
Generated description
The Lucca–Viareggio railway is a regional rail line in Tuscany, Italy, connecting the inland city of Lucca with the coastal resort town of Viareggio.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lucca–Viareggio railway
Target entity description: The Lucca–Viareggio railway is a regional rail line in Tuscany, Italy, connecting the inland city of Lucca with the coastal resort town of Viareggio.
  • A. Florence–Viareggio railway
    The Florence–Viareggio railway is a major Italian rail line connecting the inland city of Florence with the coastal town of Viareggio, serving both regional and intercity traffic across Tuscany.
  • B. Florence–Pisa–Livorno railway
    The Florence–Pisa–Livorno railway is a major Italian rail line in Tuscany that connects the inland city of Florence with the coastal cities of Pisa and Livorno, serving as an important route for both regional and long-distance passenger traffic.
  • C. Rome–Pisa railway
    The Rome–Pisa railway is a major Italian rail line running along the Tyrrhenian coast, connecting Rome with Pisa and serving numerous coastal towns and cities in between.
  • D. Pisa–La Spezia–Genoa railway
    The Pisa–La Spezia–Genoa railway is a major Italian coastal rail line that connects Tuscany and Liguria along the Tyrrhenian Sea, serving important cities and tourist destinations between Pisa and Genoa.
  • E. 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.
  • 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_69d8d38ae7e081908a98df1251842402 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e543d200dc8190b8797d731f4e4865 completed April 19, 2026, 9:06 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0532449aec81908a6ab931ca69394b completed May 14, 2026, 2:24 a.m.
NEDg Description generation batch_6a0536bdc79081909dd99b221110f6b2 completed May 14, 2026, 2:43 a.m.
NED2 Entity disambiguation (via description) batch_6a053766f7b48190b3b01ee99b22f57d completed May 14, 2026, 2:45 a.m.
Created at: April 10, 2026, 11:44 a.m.