Triple

T2642587
Position Surface form Disambiguated ID Type / Status
Subject Linha do Sul E62905 entity
Predicate historicalTerminus P39746 FINISHED
Object Barreiro railway station
Barreiro railway station is a key Portuguese rail hub near Lisbon that historically served as the main terminus for southern railway services and a major connection point for routes crossing the Tagus River.
 E296231 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: Barreiro railway station | Statement: [Linha do Sul, historicalTerminus, Barreiro railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Barreiro railway station
Context triple: [Linha do Sul, historicalTerminus, Barreiro railway station]
  • A. Braga railway station
    Braga railway station is the main rail hub in the city of Braga, Portugal, serving as a northern terminus for high-speed and regional train services.
  • B. 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.
  • C. 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.
  • D. Albufeira-Ferreiras station
    Albufeira-Ferreiras station is the main railway station serving the coastal resort city of Albufeira in Portugal’s Algarve region.
  • E. Cais do Sodré railway station
    Cais do Sodré railway station is a major Lisbon transport hub that combines suburban rail, metro, ferry, and bus connections near the city’s waterfront.
  • 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: Barreiro railway station
Triple: [Linha do Sul, historicalTerminus, Barreiro railway station]
Generated description
Barreiro railway station is a key Portuguese rail hub near Lisbon that historically served as the main terminus for southern railway services and a major connection point for routes crossing the Tagus River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Barreiro railway station
Target entity description: Barreiro railway station is a key Portuguese rail hub near Lisbon that historically served as the main terminus for southern railway services and a major connection point for routes crossing the Tagus River.
  • A. Braga railway station
    Braga railway station is the main rail hub in the city of Braga, Portugal, serving as a northern terminus for high-speed and regional train services.
  • B. 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.
  • C. 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.
  • D. Albufeira-Ferreiras station
    Albufeira-Ferreiras station is the main railway station serving the coastal resort city of Albufeira in Portugal’s Algarve region.
  • E. Cais do Sodré railway station
    Cais do Sodré railway station is a major Lisbon transport hub that combines suburban rail, metro, ferry, and bus connections near the city’s waterfront.
  • 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_69ab4c3f2dcc819082df80f5e032f690 completed March 6, 2026, 9:50 p.m.
NER Named-entity recognition batch_69abd8ff34988190ba9d69ce9d77c71d completed March 7, 2026, 7:51 a.m.
NED1 Entity disambiguation (via context triple) batch_69afc02acc048190812d7d2d8b59058a completed March 10, 2026, 6:54 a.m.
NEDg Description generation batch_69afc0a3dcb4819098e922989fb8165c completed March 10, 2026, 6:56 a.m.
NED2 Entity disambiguation (via description) batch_69afc10deaa4819082ad29756b651480 completed March 10, 2026, 6:58 a.m.
Created at: March 6, 2026, 9:53 p.m.