Triple

T14185689
Position Surface form Disambiguated ID Type / Status
Subject Rotterdam Metro E351568 entity
Predicate hasLine P35 FINISHED
Object Line C
Line C is one of the main routes of the Rotterdam Metro rapid transit system in the Netherlands, connecting key districts across the metropolitan area.
 E1086250 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 | Statement: [Rotterdam Metro, hasLine, Line C]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Line C
Context triple: [Rotterdam Metro, hasLine, Line C]
  • A. Line C
    Line C is one of the routes of the Strasbourg tramway network, providing urban light-rail transit service within the city and its suburbs.
  • B. Line C
    Line C is one of the routes of the Porto Metro light rail network in Porto, Portugal, serving suburban and urban areas along its corridor.
  • C. Line C
    Line C is one of the main lines of the Buenos Aires Underground, running north–south through central Buenos Aires and connecting key transport hubs in the city.
  • D. Line C
    Line C is one of the main lines of the Prague Metro, running in a north–south direction and serving as a key backbone of the city’s rapid transit network.
  • E. C Line
    The C Line is a light rail route in the Los Angeles Metro Rail system that runs primarily along the I-105 freeway corridor, connecting coastal and inland communities in the South Bay region.
  • 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
Triple: [Rotterdam Metro, hasLine, Line C]
Generated description
Line C is one of the main routes of the Rotterdam Metro rapid transit system in the Netherlands, connecting key districts across the metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Line C
Target entity description: Line C is one of the main routes of the Rotterdam Metro rapid transit system in the Netherlands, connecting key districts across the metropolitan area.
  • A. Line C
    Line C is one of the main lines of the Buenos Aires Underground, running north–south through central Buenos Aires and connecting key transport hubs in the city.
  • B. Line C
    Line C is one of the routes of the Strasbourg tramway network, providing urban light-rail transit service within the city and its suburbs.
  • C. Line C
    Line C is one of the main lines of the Prague Metro, running in a north–south direction and serving as a key backbone of the city’s rapid transit network.
  • D. Line C
    Line C is one of the routes of the Porto Metro light rail network in Porto, Portugal, serving suburban and urban areas along its corridor.
  • E. C Line
    The C Line is a light rail route in the Los Angeles Metro Rail system that runs primarily along the I-105 freeway corridor, connecting coastal and inland communities in the South Bay region.
  • 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_69d8278834a08190b0f1784e58d7b99c completed April 9, 2026, 10:26 p.m.
NER Named-entity recognition batch_69de61cd5778819092a03597bcdcc182 completed April 14, 2026, 3:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd19433dc08190b4d2f1aef1b2d67d completed May 7, 2026, 10:59 p.m.
NEDg Description generation batch_69fd1ad65b608190b325c82347a3d8b3 completed May 7, 2026, 11:05 p.m.
NED2 Entity disambiguation (via description) batch_69fd1b68e8288190a9e9e3d855ed2719 completed May 7, 2026, 11:08 p.m.
Created at: April 10, 2026, 1:03 a.m.