Triple

T14036854
Position Surface form Disambiguated ID Type / Status
Subject STASY S.A. E337733 entity
Predicate operatesPublicTransportNetwork P81300 FINISHED
Object Athens urban rail network E338943 NE FINISHED

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: Athens urban rail network | Statement: [STASY S.A., operatesPublicTransportNetwork, Athens urban rail network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Athens urban rail network
Context triple: [STASY S.A., operatesPublicTransportNetwork, Athens urban rail network]
  • A. Athens tram network
    The Athens tram network is a modern light rail system in Athens, Greece, connecting key coastal and central districts and serving as an important component of the city's public transportation.
  • B. Athens Metro
    The Athens Metro is the rapid transit system serving Greece's capital, combining modern underground lines with some of the world’s oldest continuously operating urban rail infrastructure.
  • C. Athens Suburban Railway chosen
    The Athens Suburban Railway is a regional rail network serving the greater Athens metropolitan area, connecting the city with its international airport and surrounding regions.
  • D. Athens public transport network
    The Athens public transport network is the integrated system of buses, trams, metro, suburban rail, and trolleybuses serving the Athens metropolitan area in Greece.
  • E. Athens trolleybus network
    The Athens trolleybus network is an electric public transit system of trolleybus lines serving Athens and its surrounding metropolitan area.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: operatesPublicTransportNetwork
Context triple: [STASY S.A., operatesPublicTransportNetwork, Athens urban rail network]
  • A. operatesTransitSystem chosen
    Indicates that one entity manages and runs the public transportation network or services for another entity or area.
  • B. isPublicTransport
    Indicates that the entity functions as a mode or instance of transportation that is available for use by the general public, typically operating on fixed routes or schedules.
  • C. tramOperator
    Indicates that one entity operates, manages, or runs tram services for another entity or area.
  • D. isPublicTransportBackboneOf
    Indicates that one transport system serves as the primary structural and functional core of a region’s overall public transportation network.
  • E. partOfTransitSystem
    Indicates that something is a component or segment within a larger transit or transportation system.
  • F. None of above.

Provenance (4 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_69d81c664e48819088cbd8f433aeffe5 completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de30e312148190a6be0a3258364e6e completed April 14, 2026, 12:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69fbc339d53c8190a9cd7027a716ff5f completed May 6, 2026, 10:39 p.m.
PD Predicate disambiguation batch_69de05ab36b48190920efb1869bdb1fe completed April 14, 2026, 9:15 a.m.
Created at: April 9, 2026, 10:20 p.m.