Triple

T15869357
Position Surface form Disambiguated ID Type / Status
Subject Port of Patras E384791 entity
Predicate hasConnection P8776 FINISHED
Object Patras railway station
Patras railway station is the main rail hub of Patras, Greece, serving as a key passenger and freight gateway that links the city and its port to the wider Greek rail network.
 E1181453 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: Patras railway station | Statement: [Port of Patras, hasConnection, Patras railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Patras railway station
Context triple: [Port of Patras, hasConnection, Patras railway station]
  • A. Katerini railway station
    Katerini railway station is a train station in the city of Katerini in northern Greece, serving as a stop on the country’s main rail routes.
  • B. Volos railway station
    Volos railway station is the main rail hub of the coastal city of Volos in Thessaly, Greece, serving regional and intercity train connections.
  • C. Kalambaka railway station
    Kalambaka railway station is a train station in Kalambaka, Greece, serving as the rail terminus for the town near the Meteora rock formations.
  • D. Kallithea railway station
    Kallithea railway station is a local train station serving the Kallithea area, providing rail connections within the wider Athens urban and regional transport network.
  • E. Doukissis Plakentias station
    Doukissis Plakentias station is a major transport hub in northeastern Athens that serves both the Athens Metro and suburban railway, connecting the city center with its northern suburbs and the airport.
  • 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: Patras railway station
Triple: [Port of Patras, hasConnection, Patras railway station]
Generated description
Patras railway station is the main rail hub of Patras, Greece, serving as a key passenger and freight gateway that links the city and its port to the wider Greek rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Patras railway station
Target entity description: Patras railway station is the main rail hub of Patras, Greece, serving as a key passenger and freight gateway that links the city and its port to the wider Greek rail network.
  • A. Katerini railway station
    Katerini railway station is a train station in the city of Katerini in northern Greece, serving as a stop on the country’s main rail routes.
  • B. Volos railway station
    Volos railway station is the main rail hub of the coastal city of Volos in Thessaly, Greece, serving regional and intercity train connections.
  • C. Kalambaka railway station
    Kalambaka railway station is a train station in Kalambaka, Greece, serving as the rail terminus for the town near the Meteora rock formations.
  • D. Kallithea railway station
    Kallithea railway station is a local train station serving the Kallithea area, providing rail connections within the wider Athens urban and regional transport network.
  • E. Doukissis Plakentias station
    Doukissis Plakentias station is a major transport hub in northeastern Athens that serves both the Athens Metro and suburban railway, connecting the city center with its northern suburbs and the airport.
  • 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_69d86da4e86481909f1325fdc971b5ec completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e155f7fe8c81908fb60ada27b14c8b completed April 16, 2026, 9:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffa94a4d208190805d33da0e433092 completed May 9, 2026, 9:38 p.m.
NEDg Description generation batch_69ffaacbe94881908d4ee2e53d8dbd76 completed May 9, 2026, 9:44 p.m.
NED2 Entity disambiguation (via description) batch_69ffab2fdd1c81909439f11ff798c168 completed May 9, 2026, 9:46 p.m.
Created at: April 10, 2026, 4:50 a.m.