Triple

T2893870
Position Surface form Disambiguated ID Type / Status
Subject Urbanos do Porto E63891 entity
Predicate usesRollingStock P5426 FINISHED
Object CP Class 3400
CP Class 3400 is a series of electric multiple unit trains operated by Comboios de Portugal, commonly used for suburban and commuter rail services such as those in the Porto urban network.
 E308149 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: CP Class 3400 | Statement: [Urbanos do Porto, usesRollingStock, CP Class 3400]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CP Class 3400
Context triple: [Urbanos do Porto, usesRollingStock, CP Class 3400]
  • A. CP Class 4000
    CP Class 4000 is a series of high-speed electric multiple unit trains operated by Comboios de Portugal, primarily used for the Alfa Pendular tilting services.
  • B. CP Carga
    CP Carga is a Portuguese rail freight company that operates cargo transport services formerly under the national railway operator Comboios de Portugal.
  • C. CP-140 Aurora
    The CP-140 Aurora is a Canadian long-range maritime patrol and anti-submarine warfare aircraft based on the Lockheed P-3 Orion airframe and used primarily for surveillance and reconnaissance missions.
  • D. CPC
    CPC is the commonly used English abbreviation for the Chinese Communist Party, the founding and ruling political party of the People's Republic of China.
  • E. CPC
    CPC is the commonly used abbreviation for the Communist Party of Canada, a Marxist–Leninist political party in Canada.
  • 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: CP Class 3400
Triple: [Urbanos do Porto, usesRollingStock, CP Class 3400]
Generated description
CP Class 3400 is a series of electric multiple unit trains operated by Comboios de Portugal, commonly used for suburban and commuter rail services such as those in the Porto urban network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: CP Class 3400
Target entity description: CP Class 3400 is a series of electric multiple unit trains operated by Comboios de Portugal, commonly used for suburban and commuter rail services such as those in the Porto urban network.
  • A. CP Class 4000
    CP Class 4000 is a series of high-speed electric multiple unit trains operated by Comboios de Portugal, primarily used for the Alfa Pendular tilting services.
  • B. CP Carga
    CP Carga is a Portuguese rail freight company that operates cargo transport services formerly under the national railway operator Comboios de Portugal.
  • C. CP-140 Aurora
    The CP-140 Aurora is a Canadian long-range maritime patrol and anti-submarine warfare aircraft based on the Lockheed P-3 Orion airframe and used primarily for surveillance and reconnaissance missions.
  • D. CPC
    CPC is the commonly used English abbreviation for the Chinese Communist Party, the founding and ruling political party of the People's Republic of China.
  • E. CPC
    CPC is the commonly used abbreviation for the Communist Party of Canada, a Marxist–Leninist political party in Canada.
  • 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_69ab4c45822c8190830c5f2bb97bcfd0 completed March 6, 2026, 9:51 p.m.
NER Named-entity recognition batch_69abe063de6c8190bce9ddefd1dd62e1 completed March 7, 2026, 8:23 a.m.
NED1 Entity disambiguation (via context triple) batch_69b031814764819096a1664b468ec817 completed March 10, 2026, 2:58 p.m.
NEDg Description generation batch_69b03206ad288190aaa97a9379f3438c completed March 10, 2026, 3 p.m.
NED2 Entity disambiguation (via description) batch_69b0398b955c81909c6155706f4b90e9 completed March 10, 2026, 3:32 p.m.
Created at: March 6, 2026, 10:07 p.m.