Triple

T16232240
Position Surface form Disambiguated ID Type / Status
Subject Vyšehrad metro station E394010 entity
Predicate isServedBy P1293 FINISHED
Object Line C northbound services
Line C northbound services are the Prague Metro trains running on the northbound branch of Line C, connecting central and southern parts of the city with its northern districts.
E1200652 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: Line C northbound services | Statement: [Vyšehrad metro station, isServedBy, Line C northbound services]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Line C northbound services
Context triple: [Vyšehrad metro station, isServedBy, Line C northbound services]
  • A. T9 Northern Line
    T9 Northern Line is a suburban passenger rail service forming part of the Sydney Trains network, connecting Sydney’s northern suburbs with the city and other key hubs.
  • B. Line 17 North
    Line 17 North is a planned automated metro line of the Grand Paris Express project intended to improve rapid transit connections between northern suburbs of Paris and key hubs such as Charles de Gaulle Airport.
  • C. Northeast Line
    The Northeast Line, now known as MARTA's Gold Line, is a rapid transit route serving key northeastern suburbs and neighborhoods of Atlanta, Georgia.
  • D. Main North Line
    The Main North Line is a major railway route in New Zealand that runs along the South Island’s east coast, linking Christchurch with Picton and serving both freight and passenger services.
  • E. Green Line as C Line
    The Green Line, now known as the C Line, is a light rail route in the Los Angeles Metro Rail system that runs east–west through the South Bay region, connecting communities near LAX to Norwalk.
  • 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: Line C northbound services
Triple: [Vyšehrad metro station, isServedBy, Line C northbound services]
Generated description
Line C northbound services are the Prague Metro trains running on the northbound branch of Line C, connecting central and southern parts of the city with its northern districts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Line C northbound services
Target entity description: Line C northbound services are the Prague Metro trains running on the northbound branch of Line C, connecting central and southern parts of the city with its northern districts.
  • A. T9 Northern Line
    T9 Northern Line is a suburban passenger rail service forming part of the Sydney Trains network, connecting Sydney’s northern suburbs with the city and other key hubs.
  • B. Line 17 North
    Line 17 North is a planned automated metro line of the Grand Paris Express project intended to improve rapid transit connections between northern suburbs of Paris and key hubs such as Charles de Gaulle Airport.
  • C. Northeast Line
    The Northeast Line, now known as MARTA's Gold Line, is a rapid transit route serving key northeastern suburbs and neighborhoods of Atlanta, Georgia.
  • D. Main North Line
    The Main North Line is a major railway route in New Zealand that runs along the South Island’s east coast, linking Christchurch with Picton and serving both freight and passenger services.
  • E. Green Line as C Line
    The Green Line, now known as the C Line, is a light rail route in the Los Angeles Metro Rail system that runs east–west through the South Bay region, connecting communities near LAX to Norwalk.
  • 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_69d87f204df88190a8f88923decf9835 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e23d2b0cc48190853919135d5a172a completed April 17, 2026, 2:01 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0007a0ab08819082aea4c312c9ffc7 completed May 10, 2026, 4:20 a.m.
NEDg Description generation batch_6a00098ea3e48190b0744f1eafab9ce2 completed May 10, 2026, 4:29 a.m.
NED2 Entity disambiguation (via description) batch_6a0009fb40a48190b82f6de80226d306 completed May 10, 2026, 4:30 a.m.
Created at: April 10, 2026, 5:04 a.m.