Triple

T8942831
Position Surface form Disambiguated ID Type / Status
Subject Lauttasaari E212944 entity
Predicate transportConnection P1298 FINISHED
Object Lauttasaari metro station
Lauttasaari metro station is an underground station on the Helsinki Metro serving the Lauttasaari district as part of the city’s western metro extension.
E767241 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: Lauttasaari metro station | Statement: [Lauttasaari, transportConnection, Lauttasaari metro station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lauttasaari metro station
Context triple: [Lauttasaari, transportConnection, Lauttasaari metro station]
  • A. Aalto University metro station
    Aalto University metro station is an underground station on the Helsinki Metro serving the Otaniemi campus area in Espoo, Finland.
  • B. Vuosaari station
    Vuosaari station is an eastern Helsinki Metro station serving the Vuosaari district as one of the line’s terminal endpoints.
  • C. 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.
  • D. Kamppi station
    Kamppi station is a major underground metro and bus terminal hub in central Helsinki, Finland, serving as one of the city’s key public transport interchanges.
  • E. Kivenlahti station
    Kivenlahti station is a western endpoint of the Helsinki Metro system serving the Kivenlahti district in Espoo, Finland.
  • 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: Lauttasaari metro station
Triple: [Lauttasaari, transportConnection, Lauttasaari metro station]
Generated description
Lauttasaari metro station is an underground station on the Helsinki Metro serving the Lauttasaari district as part of the city’s western metro extension.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lauttasaari metro station
Target entity description: Lauttasaari metro station is an underground station on the Helsinki Metro serving the Lauttasaari district as part of the city’s western metro extension.
  • A. Aalto University metro station
    Aalto University metro station is an underground station on the Helsinki Metro serving the Otaniemi campus area in Espoo, Finland.
  • B. Vuosaari station
    Vuosaari station is an eastern Helsinki Metro station serving the Vuosaari district as one of the line’s terminal endpoints.
  • C. 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.
  • D. Kamppi station
    Kamppi station is a major underground metro and bus terminal hub in central Helsinki, Finland, serving as one of the city’s key public transport interchanges.
  • E. Kivenlahti station
    Kivenlahti station is a western endpoint of the Helsinki Metro system serving the Kivenlahti district in Espoo, Finland.
  • 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_69ca839694c88190b324ffeb43d23b08 completed March 30, 2026, 2:07 p.m.
NER Named-entity recognition batch_69cc66d93978819084b1a5c7c5dd2372 completed April 1, 2026, 12:29 a.m.
NED1 Entity disambiguation (via context triple) batch_69cfc1f418708190b1272209f61e3a51 completed April 3, 2026, 1:34 p.m.
NEDg Description generation batch_69cfc25fdf3481909d9821f7728b0c5b completed April 3, 2026, 1:36 p.m.
NED2 Entity disambiguation (via description) batch_69cfc2e808408190b9bc44ed21fc67d9 completed April 3, 2026, 1:38 p.m.
Created at: March 30, 2026, 6:58 p.m.