Triple

T9275052
Position Surface form Disambiguated ID Type / Status
Subject Tartu railway station E222924 entity
Predicate ownedBy P347 FINISHED
Object Eesti Raudtee
Eesti Raudtee is Estonia’s state-owned national railway infrastructure company responsible for managing and operating much of the country’s rail network.
 E787948 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: Eesti Raudtee | Statement: [Tartu railway station, ownedBy, Eesti Raudtee]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Eesti Raudtee
Context triple: [Tartu railway station, ownedBy, Eesti Raudtee]
  • A. Finnish State Railways
    Finnish State Railways was the former national railway company of Finland, responsible for operating and developing the country’s rail transport system before its reorganization into the modern VR Group.
  • B. Latvian Railways
    Latvian Railways is Latvia’s state-owned national railway company responsible for operating and managing the country’s rail infrastructure and services.
  • C. Südostbahn
    Südostbahn is a Swiss railway company that operates regional and suburban train services, including lines within the Zürich S-Bahn network.
  • D. ÖBB
    ÖBB is Austria’s national railway company, operating most of the country’s passenger and freight train services across domestic and international routes.
  • E. Deutsche Bahn
    Deutsche Bahn is Germany's state-owned national railway company and one of the largest rail and logistics operators in Europe.
  • 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: Eesti Raudtee
Triple: [Tartu railway station, ownedBy, Eesti Raudtee]
Generated description
Eesti Raudtee is Estonia’s state-owned national railway infrastructure company responsible for managing and operating much of the country’s rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Eesti Raudtee
Target entity description: Eesti Raudtee is Estonia’s state-owned national railway infrastructure company responsible for managing and operating much of the country’s rail network.
  • A. Finnish State Railways
    Finnish State Railways was the former national railway company of Finland, responsible for operating and developing the country’s rail transport system before its reorganization into the modern VR Group.
  • B. Latvian Railways
    Latvian Railways is Latvia’s state-owned national railway company responsible for operating and managing the country’s rail infrastructure and services.
  • C. Südostbahn
    Südostbahn is a Swiss railway company that operates regional and suburban train services, including lines within the Zürich S-Bahn network.
  • D. ÖBB
    ÖBB is Austria’s national railway company, operating most of the country’s passenger and freight train services across domestic and international routes.
  • E. Deutsche Bahn
    Deutsche Bahn is Germany's state-owned national railway company and one of the largest rail and logistics operators in Europe.
  • 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_69ca841ffe208190aa7bcffbef2f8379 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd078a045c8190b2c4d1ec64b932ad completed April 1, 2026, 11:54 a.m.
NED1 Entity disambiguation (via context triple) batch_69d09c3dd140819099fc0e95c4d48ba9 completed April 4, 2026, 5:06 a.m.
NEDg Description generation batch_69d09cf1f2f48190b53e062c3eb4565d completed April 4, 2026, 5:09 a.m.
NED2 Entity disambiguation (via description) batch_69d09d9739d48190ac3b240390f36c38 completed April 4, 2026, 5:11 a.m.
Created at: March 30, 2026, 7:34 p.m.