Triple

T20649636
Position Surface form Disambiguated ID Type / Status
Subject Line 27 at Kårsta E507452 entity
Predicate terminus P388 FINISHED
Object Kårsta station
Kårsta station is a railway station in Kårsta, Sweden, serving as the northern terminus of Stockholm's Roslagsbanan narrow-gauge commuter rail network.
E1442361 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: Kårsta station | Statement: [Line 27 at Kårsta, terminus, Kårsta station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Kårsta station
Context triple: [Line 27 at Kårsta, terminus, Kårsta station]
  • A. Gulskogen Station
    Gulskogen Station is a railway station in the Drammen area of Viken county, Norway, serving local and regional train traffic.
  • B. Häggvik station
    Häggvik station is a commuter rail station in the Häggvik district of Sollentuna, north of central Stockholm, Sweden.
  • C. Åkersberga station
    Åkersberga station is a local commuter rail stop on the Roslagsbanan narrow-gauge railway serving the suburban town of Åkersberga in Österåker Municipality, Sweden.
  • D. Skogen station
    Skogen station is a small metro stop on Oslo’s Holmenkollen Line (Line 1), serving the hillside residential area of Skogen in the Vestre Aker district.
  • E. Skärsätra station
    Skärsätra station is a stop on Stockholm’s Lidingöbanan light rail line serving the Skärsätra area on the island of Lidingö.
  • 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: Kårsta station
Triple: [Line 27 at Kårsta, terminus, Kårsta station]
Generated description
Kårsta station is a railway station in Kårsta, Sweden, serving as the northern terminus of Stockholm's Roslagsbanan narrow-gauge commuter rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Kårsta station
Target entity description: Kårsta station is a railway station in Kårsta, Sweden, serving as the northern terminus of Stockholm's Roslagsbanan narrow-gauge commuter rail network.
  • A. Gulskogen Station
    Gulskogen Station is a railway station in the Drammen area of Viken county, Norway, serving local and regional train traffic.
  • B. Häggvik station
    Häggvik station is a commuter rail station in the Häggvik district of Sollentuna, north of central Stockholm, Sweden.
  • C. Åkersberga station
    Åkersberga station is a local commuter rail stop on the Roslagsbanan narrow-gauge railway serving the suburban town of Åkersberga in Österåker Municipality, Sweden.
  • D. Skogen station
    Skogen station is a small metro stop on Oslo’s Holmenkollen Line (Line 1), serving the hillside residential area of Skogen in the Vestre Aker district.
  • E. Skärsätra station
    Skärsätra station is a stop on Stockholm’s Lidingöbanan light rail line serving the Skärsätra area on the island of Lidingö.
  • 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_69e0b4bf58c081908e52a4500e03ff83 completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e6af2133048190a6308074a3b3347e completed April 20, 2026, 10:56 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08c59354388190b5c2a0c1bdd14575 completed May 16, 2026, 7:29 p.m.
NEDg Description generation batch_6a08c648e35881908c480b0afa383422 completed May 16, 2026, 7:32 p.m.
NED2 Entity disambiguation (via description) batch_6a08c6c6f9608190bdbcdd58f6b14008 completed May 16, 2026, 7:34 p.m.
Created at: April 16, 2026, 11:43 a.m.