Triple

T17670264
Position Surface form Disambiguated ID Type / Status
Subject Patras–Athens railway line E440501 entity
Predicate partOf P40 FINISHED
Object Piraeus–Patras railway NE NERFINISHED

How this triple was built (3 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: Piraeus–Patras railway | Statement: [Patras–Athens railway line, partOf, Piraeus–Patras railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Piraeus–Patras railway
Context triple: [Patras–Athens railway line, partOf, Piraeus–Patras railway]
  • A. Patras–Athens railway line
    The Patras–Athens railway line is a major rail corridor in Greece connecting the port city of Patras in the Peloponnese with the capital city of Athens, serving as a key route for both passenger and freight transport.
  • B. Athens–Thessaloniki railway
    The Athens–Thessaloniki railway is Greece’s principal north–south mainline route, connecting the capital Athens with the northern port city of Thessaloniki and serving major intermediate cities along the way.
  • C. Athens–Corinth railway line
    The Athens–Corinth railway line is a major rail corridor in Greece connecting the capital Athens with the city of Corinth and serving as a key part of the country’s mainline rail network.
  • D. Paleofarsalos–Kalambaka railway line
    The Paleofarsalos–Kalambaka railway line is a regional rail route in Thessaly, Greece, connecting the mainline network at Paleofarsalos with the town of Kalambaka near the Meteora rock formations.
  • E. Piraeus–Chalkida line
    The Piraeus–Chalkida line is a key Greek railway route connecting the port city of Piraeus and the Athens metropolitan area with the island city of Chalkida in Euboea.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Piraeus–Patras railway
Target entity description: The Piraeus–Patras railway is a major Greek rail corridor linking the port of Piraeus and the Athens area with the western port city of Patras across the northern Peloponnese.
  • A. Patras–Athens railway line chosen
    The Patras–Athens railway line is a major rail corridor in Greece connecting the port city of Patras in the Peloponnese with the capital city of Athens, serving as a key route for both passenger and freight transport.
  • B. Athens–Thessaloniki railway
    The Athens–Thessaloniki railway is Greece’s principal north–south mainline route, connecting the capital Athens with the northern port city of Thessaloniki and serving major intermediate cities along the way.
  • C. Athens–Corinth railway line
    The Athens–Corinth railway line is a major rail corridor in Greece connecting the capital Athens with the city of Corinth and serving as a key part of the country’s mainline rail network.
  • D. Paleofarsalos–Kalambaka railway line
    The Paleofarsalos–Kalambaka railway line is a regional rail route in Thessaly, Greece, connecting the mainline network at Paleofarsalos with the town of Kalambaka near the Meteora rock formations.
  • E. Piraeus–Chalkida line
    The Piraeus–Chalkida line is a key Greek railway route connecting the port city of Piraeus and the Athens metropolitan area with the island city of Chalkida in Euboea.
  • F. None of above.

Provenance (2 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_69d8b9e87e18819087104a44dc4dc5b1 completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e46f67f6188190a978c7c9f462064d completed April 19, 2026, 6 a.m.
Created at: April 10, 2026, 9:59 a.m.