Triple

T11359853
Position Surface form Disambiguated ID Type / Status
Subject Helsinki–Riihimäki railway E269056 entity
Predicate terminus P388 FINISHED
Object Riihimäki railway station
Riihimäki railway station is a key junction in southern Finland’s rail network, serving as an important hub for both long-distance and commuter train services.
 E921315 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: Riihimäki railway station | Statement: [Helsinki–Riihimäki railway, terminus, Riihimäki railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Riihimäki railway station
Context triple: [Helsinki–Riihimäki railway, terminus, Riihimäki railway station]
  • A. Imatra railway station
    Imatra railway station is a passenger rail station in the town of Imatra in southeastern Finland, serving as a regional transport hub on the Finnish railway network.
  • B. Ruoholahti station
    Ruoholahti station is an underground Helsinki Metro station serving the Ruoholahti district as a key western terminus and transport hub in the city’s metro network.
  • C. Lahti railway station
    Lahti railway station is a major rail hub in the city of Lahti, Finland, serving as an important stop for both long-distance and commuter trains.
  • D. Matinkylä station
    Matinkylä station is a metro station in the Espoo district of Matinkylä that serves as a key western endpoint of the Helsinki Metro system.
  • E. Mellunmäki station
    Mellunmäki station is an eastern Helsinki Metro station in the Mellunmäki district, notable for being one of the metro system’s outermost endpoints.
  • 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: Riihimäki railway station
Triple: [Helsinki–Riihimäki railway, terminus, Riihimäki railway station]
Generated description
Riihimäki railway station is a key junction in southern Finland’s rail network, serving as an important hub for both long-distance and commuter train services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Riihimäki railway station
Target entity description: Riihimäki railway station is a key junction in southern Finland’s rail network, serving as an important hub for both long-distance and commuter train services.
  • A. Imatra railway station
    Imatra railway station is a passenger rail station in the town of Imatra in southeastern Finland, serving as a regional transport hub on the Finnish railway network.
  • B. Ruoholahti station
    Ruoholahti station is an underground Helsinki Metro station serving the Ruoholahti district as a key western terminus and transport hub in the city’s metro network.
  • C. Lahti railway station
    Lahti railway station is a major rail hub in the city of Lahti, Finland, serving as an important stop for both long-distance and commuter trains.
  • D. Matinkylä station
    Matinkylä station is a metro station in the Espoo district of Matinkylä that serves as a key western endpoint of the Helsinki Metro system.
  • E. Mellunmäki station
    Mellunmäki station is an eastern Helsinki Metro station in the Mellunmäki district, notable for being one of the metro system’s outermost endpoints.
  • 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_69d6aacbe18081909e5fadb50082dd96 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7ea42fe608190b9c71dd63f8780f3 completed April 9, 2026, 6:04 p.m.
NED1 Entity disambiguation (via context triple) batch_69e556542ecc8190a8109c17944598ab completed April 19, 2026, 10:25 p.m.
NEDg Description generation batch_69e562bb085c8190942766d12d838798 completed April 19, 2026, 11:18 p.m.
NED2 Entity disambiguation (via description) batch_69e569f0e6948190b285ca84aca03771 completed April 19, 2026, 11:49 p.m.
Created at: April 8, 2026, 9:33 p.m.