Triple

T6419905
Position Surface form Disambiguated ID Type / Status
Subject Fiumicino Aeroporto railway station E127918 entity
Predicate railLine P848 FINISHED
Object Rome–Fiumicino railway
The Rome–Fiumicino railway is a key rail link connecting central Rome with Leonardo da Vinci–Fiumicino Airport, providing frequent passenger services including the Leonardo Express.
E592560 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: Rome–Fiumicino railway | Statement: [Fiumicino Aeroporto railway station, railLine, Rome–Fiumicino railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Rome–Fiumicino railway
Context triple: [Fiumicino Aeroporto railway station, railLine, Rome–Fiumicino railway]
  • A. Rome–Naples railway line
    The Rome–Naples railway line is a major Italian rail corridor linking the capital Rome with the southern city of Naples, serving numerous intermediate towns and provinces along its route.
  • 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. 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.
  • D. 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.
  • E. Rome–Albano railway
    The Rome–Albano railway is a regional rail line in the Lazio region of Italy that connects Rome with the town of Albano Laziale, serving several communities in the Alban Hills.
  • 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: Rome–Fiumicino railway
Triple: [Fiumicino Aeroporto railway station, railLine, Rome–Fiumicino railway]
Generated description
The Rome–Fiumicino railway is a key rail link connecting central Rome with Leonardo da Vinci–Fiumicino Airport, providing frequent passenger services including the Leonardo Express.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Rome–Fiumicino railway
Target entity description: The Rome–Fiumicino railway is a key rail link connecting central Rome with Leonardo da Vinci–Fiumicino Airport, providing frequent passenger services including the Leonardo Express.
  • A. Rome–Naples railway line
    The Rome–Naples railway line is a major Italian rail corridor linking the capital Rome with the southern city of Naples, serving numerous intermediate towns and provinces along its route.
  • 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. 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.
  • D. 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.
  • E. Rome–Albano railway
    The Rome–Albano railway is a regional rail line in the Lazio region of Italy that connects Rome with the town of Albano Laziale, serving several communities in the Alban Hills.
  • 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_69c0083815208190a9b299b8e0640218 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c0690194dc8190b3382bd5f92876b5 completed March 22, 2026, 10:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69c640d5f6f88190963a1e59400c7aa0 completed March 27, 2026, 8:33 a.m.
NEDg Description generation batch_69c6428e44108190b7cb592a05b4acbb completed March 27, 2026, 8:40 a.m.
NED2 Entity disambiguation (via description) batch_69c64343c19c8190b05ef4450aadcbd1 completed March 27, 2026, 8:43 a.m.
Created at: March 22, 2026, 4:43 p.m.