Triple

T3710104
Position Surface form Disambiguated ID Type / Status
Subject Metropolitan Transit System E80988 entity
Predicate areaServed P82 FINISHED
Object South Bay San Diego
South Bay San Diego is a coastal subregion of southern San Diego County that includes communities such as Chula Vista, National City, and Imperial Beach, known for its diverse population and proximity to the U.S.–Mexico border.
E414663 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: South Bay San Diego | Statement: [Metropolitan Transit System, areaServed, South Bay San Diego]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: South Bay San Diego
Context triple: [Metropolitan Transit System, areaServed, South Bay San Diego]
  • A. San Diego metropolitan area
    The San Diego metropolitan area is a major Southern California urban region centered on the city of San Diego, known for its coastal location, military presence, biotechnology industry, and proximity to the U.S.–Mexico border.
  • B. South Bay
    South Bay is a coastal region in southwestern Los Angeles County known for its beach cities, aerospace industry presence, and suburban communities.
  • C. South Bay
    South Bay is a popular sandy beach and sheltered bay on the North Sea coast at Scarborough, North Yorkshire, known for its traditional seaside attractions and promenade.
  • D. South Bay
    South Bay is the southern portion of Biscayne Bay, a coastal lagoon area in southeastern Florida known for its marine habitats and proximity to the Florida Keys and Miami.
  • E. South Bay
    South Bay is the southern arm of Humboldt Bay on California’s North Coast, known for its tidal wetlands and estuarine habitat.
  • 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: South Bay San Diego
Triple: [Metropolitan Transit System, areaServed, South Bay San Diego]
Generated description
South Bay San Diego is a coastal subregion of southern San Diego County that includes communities such as Chula Vista, National City, and Imperial Beach, known for its diverse population and proximity to the U.S.–Mexico border.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: South Bay San Diego
Target entity description: South Bay San Diego is a coastal subregion of southern San Diego County that includes communities such as Chula Vista, National City, and Imperial Beach, known for its diverse population and proximity to the U.S.–Mexico border.
  • A. San Diego metropolitan area
    The San Diego metropolitan area is a major Southern California urban region centered on the city of San Diego, known for its coastal location, military presence, biotechnology industry, and proximity to the U.S.–Mexico border.
  • B. South Bay
    South Bay is a coastal region in southwestern Los Angeles County known for its beach cities, aerospace industry presence, and suburban communities.
  • C. South Bay
    South Bay is the southern portion of Biscayne Bay, a coastal lagoon area in southeastern Florida known for its marine habitats and proximity to the Florida Keys and Miami.
  • D. South Bay
    South Bay is the southern region of the San Francisco Bay Area, known for encompassing much of Silicon Valley and several major tech-centric cities.
  • E. South Bay
    South Bay is a popular sandy beach and sheltered bay on the North Sea coast at Scarborough, North Yorkshire, known for its traditional seaside attractions and promenade.
  • 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_69ad8b1793888190a5f70e4b21dc05a1 completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69adc584b86c8190ba1a1073da440b07 completed March 8, 2026, 6:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69b5767d12ac8190bf9be474bd6958c8 completed March 14, 2026, 2:53 p.m.
NEDg Description generation batch_69b577c2b784819096d8218dd1c1478d completed March 14, 2026, 2:59 p.m.
NED2 Entity disambiguation (via description) batch_69b5782cc448819080e306952da24ac0 completed March 14, 2026, 3:01 p.m.
Created at: March 8, 2026, 3:33 p.m.