Triple

T14037040
Position Surface form Disambiguated ID Type / Status
Subject Omonia station E337738 entity
Predicate ownedBy P347 FINISHED
Object Attiko Metro
Attiko Metro is the public company responsible for the development, operation, and expansion of the Athens Metro and related urban rail infrastructure in the Athens metropolitan area.
E67533 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: Attiko Metro | Statement: [Omonia station, ownedBy, Attiko Metro]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Attiko Metro
Context triple: [Omonia station, ownedBy, Attiko Metro]
  • A. Athens Transit System
    The Athens Transit System is the public bus network serving residents, students, and visitors throughout Athens, Georgia.
  • 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 Metro Line 2
    Athens Metro Line 2 is a major rapid transit line of the Athens Metro system that runs roughly north–south through the Greek capital, connecting central Athens with several western and southern suburbs.
  • D. Athens Metro Line 3
    Athens Metro Line 3 is a major rapid transit line of the Athens Metro system that connects central Athens with key suburbs and the Athens International Airport.
  • E. Athens Metro Line 1
    Athens Metro Line 1 is the oldest line of the Athens Metro system, running mostly overground and connecting the northern suburbs with the city center and the port of Piraeus.
  • 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: Attiko Metro
Triple: [Omonia station, ownedBy, Attiko Metro]
Generated description
Attiko Metro is the public company responsible for the development, operation, and expansion of the Athens Metro and related urban rail infrastructure in the Athens metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Attiko Metro
Target entity description: Attiko Metro is the public company responsible for the development, operation, and expansion of the Athens Metro and related urban rail infrastructure in the Athens metropolitan area.
  • A. Athens Transit System
    The Athens Transit System is the public bus network serving residents, students, and visitors throughout Athens, Georgia.
  • B. Athens Metro chosen
    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 Metro Line 2
    Athens Metro Line 2 is a major rapid transit line of the Athens Metro system that runs roughly north–south through the Greek capital, connecting central Athens with several western and southern suburbs.
  • D. Athens Metro Line 3
    Athens Metro Line 3 is a major rapid transit line of the Athens Metro system that connects central Athens with key suburbs and the Athens International Airport.
  • E. Athens Metro Line 1
    Athens Metro Line 1 is the oldest line of the Athens Metro system, running mostly overground and connecting the northern suburbs with the city center and the port of Piraeus.
  • F. None of above.

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_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_69fbc33bc20081909abea7e64d1bd578 completed May 6, 2026, 10:39 p.m.
NEDg Description generation batch_69fbc53729d081908b74532d2ed54b7a completed May 6, 2026, 10:48 p.m.
NED2 Entity disambiguation (via description) batch_69fbc5d76cdc8190970778580437cf72 completed May 6, 2026, 10:51 p.m.
Created at: April 9, 2026, 10:20 p.m.