Triple

T504383
Position Surface form Disambiguated ID Type / Status
Subject Comboios de Portugal E10469 entity
Predicate hasMainHub P2958 FINISHED
Object Coimbra-B railway station
Coimbra-B railway station is a major Portuguese rail hub in the city of Coimbra, serving as a key interchange for long-distance and regional train services operated by Comboios de Portugal.
E66846 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: Coimbra-B railway station | Statement: [Comboios de Portugal, hasMainHub, Coimbra-B railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Coimbra-B railway station
Context triple: [Comboios de Portugal, hasMainHub, Coimbra-B railway station]
  • A. Porto Campanhã railway station
    Porto Campanhã railway station is the main intercity and regional rail hub in Porto, Portugal, serving as a key gateway for national and international train connections.
  • B. Albufeira-Ferreiras station
    Albufeira-Ferreiras station is the main railway station serving the coastal resort city of Albufeira in Portugal’s Algarve region.
  • C. Lisbon Oriente railway station
    Lisbon Oriente railway station is a major modern transport hub in Lisbon, Portugal, known for its striking contemporary architecture and role as a key national and international rail interchange.
  • D. Lisbon Santa Apolónia railway station
    Lisbon Santa Apolónia railway station is one of Lisbon’s principal long-distance and international train terminals, serving as a key rail gateway for passengers traveling across Portugal and beyond.
  • E. Portimão railway station
    Portimão railway station is a regional rail station in the coastal city of Portimão in Portugal, serving as a key passenger stop in the Algarve 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: Coimbra-B railway station
Triple: [Comboios de Portugal, hasMainHub, Coimbra-B railway station]
Generated description
Coimbra-B railway station is a major Portuguese rail hub in the city of Coimbra, serving as a key interchange for long-distance and regional train services operated by Comboios de Portugal.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Coimbra-B railway station
Target entity description: Coimbra-B railway station is a major Portuguese rail hub in the city of Coimbra, serving as a key interchange for long-distance and regional train services operated by Comboios de Portugal.
  • A. Porto Campanhã railway station
    Porto Campanhã railway station is the main intercity and regional rail hub in Porto, Portugal, serving as a key gateway for national and international train connections.
  • B. Albufeira-Ferreiras station
    Albufeira-Ferreiras station is the main railway station serving the coastal resort city of Albufeira in Portugal’s Algarve region.
  • C. Lisbon Oriente railway station
    Lisbon Oriente railway station is a major modern transport hub in Lisbon, Portugal, known for its striking contemporary architecture and role as a key national and international rail interchange.
  • D. Lisbon Santa Apolónia railway station
    Lisbon Santa Apolónia railway station is one of Lisbon’s principal long-distance and international train terminals, serving as a key rail gateway for passengers traveling across Portugal and beyond.
  • E. Portimão railway station
    Portimão railway station is a regional rail station in the coastal city of Portimão in Portugal, serving as a key passenger stop in the Algarve 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_69a2e848adf881908e5e04f7af030093 completed Feb. 28, 2026, 1:06 p.m.
NER Named-entity recognition batch_69a2f149bd1c81908ff58ac504ace2bf completed Feb. 28, 2026, 1:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69a4c02c26808190b3078fb04f34572c completed March 1, 2026, 10:39 p.m.
NEDg Description generation batch_69a4c0b0868881909e28d253c2971618 completed March 1, 2026, 10:41 p.m.
NED2 Entity disambiguation (via description) batch_69a4c131bd8881909501843d85145979 completed March 1, 2026, 10:44 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.