Triple

T8408819
Position Surface form Disambiguated ID Type / Status
Subject Buenos Aires Underground Line E E198569 entity
Predicate lineLetter P5539 FINISHED
Object E
E is a rapid transit line of the Buenos Aires Underground system in Argentina.
 E731432 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: E | Statement: [Buenos Aires Underground Line E, lineLetter, E]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: E
Context triple: [Buenos Aires Underground Line E, lineLetter, E]
  • A. E
    E is the stage name of Mark Oliver Everett, the singer-songwriter and multi-instrumentalist best known as the frontman of the indie rock band Eels.
  • B. E
    The E is a New York City Subway line that runs between Queens and Manhattan, providing a key rapid transit connection used by AirTrain JFK passengers traveling to and from the city.
  • C. E
    E is the letter designation for the E branch of Boston’s MBTA Green Line light rail service.
  • D. E.
    E. King Gill was an American football player best known as the original "12th Man" of Texas A&M University, symbolizing the school's enduring tradition of fan support.
  • E. E4
    E4 is a major European route and highway running through Sweden, forming a key north–south transport corridor.
  • 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: E
Triple: [Buenos Aires Underground Line E, lineLetter, E]
Generated description
E is a rapid transit line of the Buenos Aires Underground system in Argentina.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: E
Target entity description: E is a rapid transit line of the Buenos Aires Underground system in Argentina.
  • A. E
    The E is a New York City Subway line that runs between Queens and Manhattan, providing a key rapid transit connection used by AirTrain JFK passengers traveling to and from the city.
  • B. E
    E is the letter designation for the E branch of Boston’s MBTA Green Line light rail service.
  • C. E
    E is the stage name of Mark Oliver Everett, the singer-songwriter and multi-instrumentalist best known as the frontman of the indie rock band Eels.
  • D. E.
    E. King Gill was an American football player best known as the original "12th Man" of Texas A&M University, symbolizing the school's enduring tradition of fan support.
  • E. E4
    E4 is a major European route and highway running through Sweden, forming a key north–south transport corridor.
  • 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_69ca8310df9c8190b25f16161cca3e41 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cb8315a8a8819097f6da11b909b527 completed March 31, 2026, 8:17 a.m.
NED1 Entity disambiguation (via context triple) batch_69ce030dccf08190a70c0abf0bdcf244 completed April 2, 2026, 5:47 a.m.
NEDg Description generation batch_69ce07808098819087e896b87320aefd completed April 2, 2026, 6:06 a.m.
NED2 Entity disambiguation (via description) batch_69ce08759e1c81909c96caf3b571e1ca completed April 2, 2026, 6:11 a.m.
Created at: March 30, 2026, 6:05 p.m.