Triple

T6948838
Position Surface form Disambiguated ID Type / Status
Subject Canadian Transportation Agency E160868 entity
Predicate abbreviation P43 FINISHED
Object CTA
CTA is the acronym commonly used for the Canadian Transportation Agency, the federal regulator overseeing air, rail, and marine transportation in Canada.
 E630326 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: CTA | Statement: [Canadian Transportation Agency, abbreviation, CTA]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CTA
Context triple: [Canadian Transportation Agency, abbreviation, CTA]
  • A. CTA
    CTA is the primary public transportation agency serving Chicago and many of its surrounding suburbs, operating the city's buses and rapid transit "L" train system.
  • B. CTA
    CTA is the IATA airport code for Catania–Fontanarossa Airport, the main international airport serving Catania and eastern Sicily, Italy.
  • C. CTA
    CTA is a U.S. federal law aimed at combating money laundering and other illicit financial activities by requiring certain companies to disclose information about their beneficial owners.
  • D. CT1
    CT1 is a 3GPP working group responsible for specifying core network and terminal aspects of mobile telecommunications systems.
  • E. CTC
    CTC is the commonly used abbreviation for the United Nations Security Council’s Counter-Terrorism Committee, which oversees global efforts to combat terrorism.
  • 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: CTA
Triple: [Canadian Transportation Agency, abbreviation, CTA]
Generated description
CTA is the acronym commonly used for the Canadian Transportation Agency, the federal regulator overseeing air, rail, and marine transportation in Canada.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: CTA
Target entity description: CTA is the acronym commonly used for the Canadian Transportation Agency, the federal regulator overseeing air, rail, and marine transportation in Canada.
  • A. CTA
    CTA is the primary public transportation agency serving Chicago and many of its surrounding suburbs, operating the city's buses and rapid transit "L" train system.
  • B. CTA
    CTA is the IATA airport code for Catania–Fontanarossa Airport, the main international airport serving Catania and eastern Sicily, Italy.
  • C. CTA
    CTA is a U.S. federal law aimed at combating money laundering and other illicit financial activities by requiring certain companies to disclose information about their beneficial owners.
  • D. CT1
    CT1 is a 3GPP working group responsible for specifying core network and terminal aspects of mobile telecommunications systems.
  • E. CTC
    CTC is the national trade union federation of Cuba that represents and coordinates the activities of Cuban workers across various sectors.
  • 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_69c68850419081909fb426b8f5a304c7 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6daad028c8190a6db5b2d029d4dfc completed March 27, 2026, 7:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69c75874ffcc81908f31ff03e13cb5b0 completed March 28, 2026, 4:26 a.m.
NEDg Description generation batch_69c758ee37dc8190810e44d11c744ac7 completed March 28, 2026, 4:28 a.m.
NED2 Entity disambiguation (via description) batch_69c759a99b2c8190986ce5bc36502975 completed March 28, 2026, 4:31 a.m.
Created at: March 27, 2026, 2:28 p.m.