Triple

T13470863
Position Surface form Disambiguated ID Type / Status
Subject Pelion Railway E311625 entity
Predicate operator P179 FINISHED
Object Hellenic Railways Organisation
Hellenic Railways Organisation is Greece’s national state-owned railway company, responsible for operating and managing the country’s rail transport network.
 E1042253 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: Hellenic Railways Organisation | Statement: [Pelion Railway, operator, Hellenic Railways Organisation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hellenic Railways Organisation
Context triple: [Pelion Railway, operator, Hellenic Railways Organisation]
  • A. Greek national rail network
    The Greek national rail network is the countrywide system of railway lines and services that links major cities, regions, and ports across Greece and connects to international rail corridors.
  • B. Egnatia Odos S.A.
    Egnatia Odos S.A. is the Greek state-owned company responsible for the construction, management, and operation of the Egnatia Odos motorway and its related infrastructure.
  • C. Olympic Airways
    Olympic Airways was the former national airline of Greece, founded and owned for many years by shipping magnate Aristotle Onassis.
  • D. Bulgarian State Railways
    Bulgarian State Railways is Bulgaria’s national railway company, responsible for operating the country’s passenger and freight train services.
  • E. Hellenic Republic Asset Development Fund
    The Hellenic Republic Asset Development Fund is Greece’s state-owned privatization and asset management agency responsible for developing and monetizing public assets, including major infrastructure such as ports.
  • 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: Hellenic Railways Organisation
Triple: [Pelion Railway, operator, Hellenic Railways Organisation]
Generated description
Hellenic Railways Organisation is Greece’s national state-owned railway company, responsible for operating and managing the country’s rail transport network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Hellenic Railways Organisation
Target entity description: Hellenic Railways Organisation is Greece’s national state-owned railway company, responsible for operating and managing the country’s rail transport network.
  • A. Greek national rail network
    The Greek national rail network is the countrywide system of railway lines and services that links major cities, regions, and ports across Greece and connects to international rail corridors.
  • B. Egnatia Odos S.A.
    Egnatia Odos S.A. is the Greek state-owned company responsible for the construction, management, and operation of the Egnatia Odos motorway and its related infrastructure.
  • C. Olympic Airways
    Olympic Airways was the former national airline of Greece, founded and owned for many years by shipping magnate Aristotle Onassis.
  • D. Bulgarian State Railways
    Bulgarian State Railways is Bulgaria’s national railway company, responsible for operating the country’s passenger and freight train services.
  • E. Hellenic Republic Asset Development Fund
    The Hellenic Republic Asset Development Fund is Greece’s state-owned privatization and asset management agency responsible for developing and monetizing public assets, including major infrastructure such as ports.
  • 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_69d806a938b8819097ec43a2229fc7f9 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69dbaf22e5f88190b1078f006c8ef7c0 completed April 12, 2026, 2:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69f7462bcb848190804a48f1a50a0c71 completed May 3, 2026, 12:57 p.m.
NEDg Description generation batch_69f74af641f881908af981d251e671be completed May 3, 2026, 1:17 p.m.
NED2 Entity disambiguation (via description) batch_69f74b78bd508190a10708572a6e9309 completed May 3, 2026, 1:19 p.m.
Created at: April 9, 2026, 9:42 p.m.