Triple

T22781167
Position Surface form Disambiguated ID Type / Status
Subject Taranto–Reggio di Calabria railway E563838 entity
Predicate connectsToRailway P95666 FINISHED
Object Metaponto–Potenza railway
The Metaponto–Potenza railway is a regional rail line in southern Italy that links the coastal town of Metaponto with the inland city of Potenza across the Basilicata region.
E1558693 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: Metaponto–Potenza railway | Statement: [Taranto–Reggio di Calabria railway, connectsToRailway, Metaponto–Potenza railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Metaponto–Potenza railway
Context triple: [Taranto–Reggio di Calabria railway, connectsToRailway, Metaponto–Potenza railway]
  • A. Taranto–Metaponto railway
    The Taranto–Metaponto railway is a rail line in southern Italy that links the city of Taranto with Metaponto, forming part of an important east–west corridor across the Basilicata and Apulia regions.
  • B. Taranto–Reggio di Calabria railway
    The Taranto–Reggio di Calabria railway is a major rail line in southern Italy that links the Ionian coastal cities of Apulia, Basilicata, and Calabria with the regional hub of Reggio Calabria.
  • C. Taranto–Brindisi railway
    The Taranto–Brindisi railway is a key rail line in southern Italy that connects the cities of Taranto and Brindisi across the Apulia region.
  • D. Salerno–Reggio Calabria railway
    The Salerno–Reggio Calabria railway is a major Italian mainline route that runs along the Tyrrhenian coast of southern Italy, linking the Campania region with Calabria and serving as a key north–south transport corridor.
  • E. Naples–Salerno railway
    The Naples–Salerno railway is one of Italy’s key mainline rail routes in Campania, linking the city of Naples with Salerno along the Tyrrhenian coast.
  • 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: Metaponto–Potenza railway
Triple: [Taranto–Reggio di Calabria railway, connectsToRailway, Metaponto–Potenza railway]
Generated description
The Metaponto–Potenza railway is a regional rail line in southern Italy that links the coastal town of Metaponto with the inland city of Potenza across the Basilicata region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Metaponto–Potenza railway
Target entity description: The Metaponto–Potenza railway is a regional rail line in southern Italy that links the coastal town of Metaponto with the inland city of Potenza across the Basilicata region.
  • A. Taranto–Metaponto railway
    The Taranto–Metaponto railway is a rail line in southern Italy that links the city of Taranto with Metaponto, forming part of an important east–west corridor across the Basilicata and Apulia regions.
  • B. Taranto–Reggio di Calabria railway
    The Taranto–Reggio di Calabria railway is a major rail line in southern Italy that links the Ionian coastal cities of Apulia, Basilicata, and Calabria with the regional hub of Reggio Calabria.
  • C. Taranto–Brindisi railway
    The Taranto–Brindisi railway is a key rail line in southern Italy that connects the cities of Taranto and Brindisi across the Apulia region.
  • D. Salerno–Reggio Calabria railway
    The Salerno–Reggio Calabria railway is a major Italian mainline route that runs along the Tyrrhenian coast of southern Italy, linking the Campania region with Calabria and serving as a key north–south transport corridor.
  • E. Naples–Salerno railway
    The Naples–Salerno railway is one of Italy’s key mainline rail routes in Campania, linking the city of Naples with Salerno along the Tyrrhenian coast.
  • 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_69e2455500788190b4b33030461f3bbd completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f17c2dd250819093a5c49806916ec4 completed April 29, 2026, 3:34 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0bae7ae98c8190bea4a5d76a5456bf completed May 19, 2026, 12:27 a.m.
NEDg Description generation batch_6a0baf96f71c8190b1c0ee09d1fbde19 completed May 19, 2026, 12:32 a.m.
NED2 Entity disambiguation (via description) batch_6a0bb0d8a2f0819084161d3a09cfa1ae completed May 19, 2026, 12:37 a.m.
Created at: April 17, 2026, 3:28 p.m.