Triple

T15554232
Position Surface form Disambiguated ID Type / Status
Subject Muni Metro lines E370826 entity
Predicate hasLineDesignation P974 FINISHED
Object J
J is a light rail line in San Francisco's Muni Metro system, commonly known as the J Church line.
 E1163912 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: J | Statement: [Muni Metro lines, hasLineDesignation, J]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: J
Context triple: [Muni Metro lines, hasLineDesignation, J]
  • A. J
    J is a New York City Subway service that runs through Brooklyn and Queens into Manhattan, serving neighborhoods in eastern Brooklyn and southern Queens.
  • B. J
    J is the streetwise, impulsive teenage grandson in the TV series "Animal Kingdom," who becomes entangled in his criminal family's operations.
  • C. J
    J is one of the passenger concourses at Miami International Airport, serving as a terminal area with gates, amenities, and airline operations for departing and arriving flights.
  • D. J
    J is the SI unit symbol for the joule, the standard measure of energy, work, or heat.
  • E. J.
    J. is the middle initial of John J. Pershing, the prominent American general who led the American Expeditionary Forces in World War I.
  • 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: J
Triple: [Muni Metro lines, hasLineDesignation, J]
Generated description
J is a light rail line in San Francisco's Muni Metro system, commonly known as the J Church line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: J
Target entity description: J is a light rail line in San Francisco's Muni Metro system, commonly known as the J Church line.
  • A. J
    J is a New York City Subway service that runs through Brooklyn and Queens into Manhattan, serving neighborhoods in eastern Brooklyn and southern Queens.
  • B. J
    J is one of the passenger concourses at Miami International Airport, serving as a terminal area with gates, amenities, and airline operations for departing and arriving flights.
  • C. J
    J is the streetwise, impulsive teenage grandson in the TV series "Animal Kingdom," who becomes entangled in his criminal family's operations.
  • D. J
    J is the SI unit symbol for the joule, the standard measure of energy, work, or heat.
  • E. J.
    J. is the middle initial of John J. Pershing, the prominent American general who led the American Expeditionary Forces in World War I.
  • 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_69d85cc6cf40819091f4a5facee1ebe6 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04a96c0c88190808f68601a36b506 completed April 16, 2026, 2:33 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff456209288190aba6debd434af741 completed May 9, 2026, 2:32 p.m.
NEDg Description generation batch_69ff471cb68c8190924e894b190f15f4 completed May 9, 2026, 2:39 p.m.
NED2 Entity disambiguation (via description) batch_69ff47aeddac8190a87024019ecb1396 completed May 9, 2026, 2:41 p.m.
Created at: April 10, 2026, 4:09 a.m.