Triple

T3192163
Position Surface form Disambiguated ID Type / Status
Subject Coimbra-B railway station E66846 entity
Predicate hasAbbreviation P43 FINISHED
Object Coimbra-B
Coimbra-B is the main railway station serving the city of Coimbra in central Portugal, functioning as a key junction on the country’s north–south rail corridor.
 E335345 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 | Statement: [Coimbra-B railway station, hasAbbreviation, Coimbra-B]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Coimbra-B
Context triple: [Coimbra-B railway station, hasAbbreviation, Coimbra-B]
  • A. Coimbra
    Coimbra is a historic Portuguese city known for its medieval architecture and the University of Coimbra, one of the oldest universities in continuous operation in the world.
  • B. Urbanos de Coimbra
    Urbanos de Coimbra is a suburban rail service network in and around the city of Coimbra, Portugal, operated under the national railway company Comboios de Portugal.
  • C. Sabrosa
    Sabrosa is a small municipality in Portugal’s Douro region, historically notable as the birthplace of explorer Ferdinand Magellan.
  • D. Braga
    Braga is a historic city in northern Portugal known for its rich religious heritage, baroque architecture, and status as a regional cultural and educational center.
  • E. Municipal Chamber of Coimbra
    The Municipal Chamber of Coimbra is the executive municipal government responsible for administering and managing public affairs in the city of Coimbra, Portugal.
  • 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
Triple: [Coimbra-B railway station, hasAbbreviation, Coimbra-B]
Generated description
Coimbra-B is the main railway station serving the city of Coimbra in central Portugal, functioning as a key junction on the country’s north–south rail corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Coimbra-B
Target entity description: Coimbra-B is the main railway station serving the city of Coimbra in central Portugal, functioning as a key junction on the country’s north–south rail corridor.
  • A. Coimbra
    Coimbra is a historic Portuguese city known for its medieval architecture and the University of Coimbra, one of the oldest universities in continuous operation in the world.
  • B. Urbanos de Coimbra
    Urbanos de Coimbra is a suburban rail service network in and around the city of Coimbra, Portugal, operated under the national railway company Comboios de Portugal.
  • C. Sabrosa
    Sabrosa is a small municipality in Portugal’s Douro region, historically notable as the birthplace of explorer Ferdinand Magellan.
  • D. Braga
    Braga is a historic city in northern Portugal known for its rich religious heritage, baroque architecture, and status as a regional cultural and educational center.
  • E. Municipal Chamber of Coimbra
    The Municipal Chamber of Coimbra is the executive municipal government responsible for administering and managing public affairs in the city of Coimbra, Portugal.
  • 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_69ad8588ba18819086a10951c32ecb80 completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada6e8e4b48190bc7c6443fc6da900 completed March 8, 2026, 4:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69b24ba8a8b48190824dac45e37217cc completed March 12, 2026, 5:14 a.m.
NEDg Description generation batch_69b24d13ef908190b7b54d653e4d1ea4 completed March 12, 2026, 5:20 a.m.
NED2 Entity disambiguation (via description) batch_69b24db9af3881909d3d89ad985356c6 completed March 12, 2026, 5:23 a.m.
Created at: March 8, 2026, 3:07 p.m.