Triple
T17670262
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Patras–Athens railway line |
E440501
|
entity |
| Predicate | owner |
P347
|
FINISHED |
| Object | Hellenic Railways Organisation |
—
|
NE NERFINISHED |
How this triple was built (2 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: [Patras–Athens railway line, owner, Hellenic Railways Organisation]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hellenic Railways Organisation Context triple: [Patras–Athens railway line, owner, Hellenic Railways Organisation]
-
A.
Hellenic Railways Organisation
chosen
Hellenic Railways Organisation is Greece’s national state-owned railway company, responsible for operating and managing the country’s rail transport network.
-
B.
Hellenic Train
Hellenic Train is Greece’s main passenger and freight railway company, operating intercity, regional, and suburban rail services across the country.
-
C.
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.
-
D.
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.
-
E.
Attiko Metro S.A.
Attiko Metro S.A. is the public company responsible for the development, construction, and management of the Athens Metro and other urban rail projects in the Athens metropolitan area.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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.