Triple

T23072106
Position Surface form Disambiguated ID Type / Status
Subject south bank of Rotterdam E575223 entity
Predicate servedBy P82 FINISHED
Object Rotterdam Metro line E
Rotterdam Metro line E is a rapid transit line that connects Rotterdam with The Hague and surrounding areas as part of the RandstadRail network.
E351568 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: Rotterdam Metro line E | Statement: [south bank of Rotterdam, servedBy, Rotterdam Metro line E]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Rotterdam Metro line E
Context triple: [south bank of Rotterdam, servedBy, Rotterdam Metro line E]
  • A. Rotterdam Metro
    The Rotterdam Metro is the rapid transit system serving Rotterdam and surrounding municipalities in the Netherlands, providing high-frequency urban and suburban rail connections.
  • B. Rotterdam tram network
    The Rotterdam tram network is an extensive urban light rail system serving the city of Rotterdam and its suburbs, providing frequent public transport connections across the metropolitan area.
  • C. Amsterdam North–South line
    The Amsterdam North–South line is a major metro route in Amsterdam that runs between the northern and southern parts of the city, significantly improving cross-city public transport connectivity.
  • D. Utrecht–Maliebaan line
    The Utrecht–Maliebaan line is a historic railway route in Utrecht, the Netherlands, now best known for serving the Railway Museum and heritage train services rather than regular passenger traffic.
  • E. Amsterdam Metro line 52
    Amsterdam Metro line 52, also known as the North–South Line, is a major rapid transit route in Amsterdam running between the city’s northern and southern districts via the central station.
  • 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: Rotterdam Metro line E
Triple: [south bank of Rotterdam, servedBy, Rotterdam Metro line E]
Generated description
Rotterdam Metro line E is a rapid transit line that connects Rotterdam with The Hague and surrounding areas as part of the RandstadRail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Rotterdam Metro line E
Target entity description: Rotterdam Metro line E is a rapid transit line that connects Rotterdam with The Hague and surrounding areas as part of the RandstadRail network.
  • A. Rotterdam Metro chosen
    The Rotterdam Metro is the rapid transit system serving Rotterdam and surrounding municipalities in the Netherlands, providing high-frequency urban and suburban rail connections.
  • B. Rotterdam tram network
    The Rotterdam tram network is an extensive urban light rail system serving the city of Rotterdam and its suburbs, providing frequent public transport connections across the metropolitan area.
  • C. Amsterdam North–South line
    The Amsterdam North–South line is a major metro route in Amsterdam that runs between the northern and southern parts of the city, significantly improving cross-city public transport connectivity.
  • D. Utrecht–Maliebaan line
    The Utrecht–Maliebaan line is a historic railway route in Utrecht, the Netherlands, now best known for serving the Railway Museum and heritage train services rather than regular passenger traffic.
  • E. Amsterdam Metro line 52
    Amsterdam Metro line 52, also known as the North–South Line, is a major rapid transit route in Amsterdam running between the city’s northern and southern districts via the central station.
  • F. None of above.

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_69e245be28d48190ad1348d5a73db37d completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f18c5ffad881909ed626045c15dd33 completed April 29, 2026, 4:43 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c23da2dfc8190a8b9239fa1ad5ebe completed May 19, 2026, 8:48 a.m.
NEDg Description generation batch_6a0c271d8fc48190a818c73660218022 completed May 19, 2026, 9:02 a.m.
NED2 Entity disambiguation (via description) batch_6a0c2951a718819088c1c7d8435586ec completed May 19, 2026, 9:11 a.m.
Created at: April 17, 2026, 3:56 p.m.