Triple

T20050411
Position Surface form Disambiguated ID Type / Status
Subject Blue Line (San Diego Trolley) E499181 entity
Predicate primaryCorridor P3034 FINISHED
Object San Diego–Tijuana border to University City
The San Diego–Tijuana border to University City corridor is a major north–south transit and commuting axis in the San Diego region, linking the international border area with key residential, commercial, and educational hubs including the University of California, San Diego.
E1408130 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: San Diego–Tijuana border to University City | Statement: [Blue Line (San Diego Trolley), primaryCorridor, San Diego–Tijuana border to University City]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: San Diego–Tijuana border to University City
Context triple: [Blue Line (San Diego Trolley), primaryCorridor, San Diego–Tijuana border to University City]
  • A. San Diego–Tijuana
    San Diego–Tijuana is a major transborder metropolitan region spanning southern California and northwestern Mexico, known for its extensive economic, cultural, and social integration across the U.S.–Mexico border.
  • B. Baja California border corridor
    The Baja California border corridor is a transnational region along the Mexico–United States border in the state of Baja California, encompassing key border cities and crossings that serve as major hubs for trade, migration, and cultural exchange.
  • C. San Ysidro neighborhood of San Diego
    The San Ysidro neighborhood of San Diego is a densely populated border community at the southernmost end of the city, known for its major commercial district and role as a gateway between the United States and Mexico.
  • D. Otay Mesa Community Plan Area
    Otay Mesa Community Plan Area is a designated planning district in the Otay Mesa region of San Diego that guides land use, development, and infrastructure decisions for the community.
  • E. Downtown San Diego
    Downtown San Diego is the city's central urban core, known for its waterfront, cultural attractions, nightlife, and role as a major business and transit hub in Southern California.
  • 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: San Diego–Tijuana border to University City
Triple: [Blue Line (San Diego Trolley), primaryCorridor, San Diego–Tijuana border to University City]
Generated description
The San Diego–Tijuana border to University City corridor is a major north–south transit and commuting axis in the San Diego region, linking the international border area with key residential, commercial, and educational hubs including the University of California, San Diego.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: San Diego–Tijuana border to University City
Target entity description: The San Diego–Tijuana border to University City corridor is a major north–south transit and commuting axis in the San Diego region, linking the international border area with key residential, commercial, and educational hubs including the University of California, San Diego.
  • A. San Diego–Tijuana
    San Diego–Tijuana is a major transborder metropolitan region spanning southern California and northwestern Mexico, known for its extensive economic, cultural, and social integration across the U.S.–Mexico border.
  • B. Baja California border corridor
    The Baja California border corridor is a transnational region along the Mexico–United States border in the state of Baja California, encompassing key border cities and crossings that serve as major hubs for trade, migration, and cultural exchange.
  • C. San Ysidro neighborhood of San Diego
    The San Ysidro neighborhood of San Diego is a densely populated border community at the southernmost end of the city, known for its major commercial district and role as a gateway between the United States and Mexico.
  • D. Otay Mesa Community Plan Area
    Otay Mesa Community Plan Area is a designated planning district in the Otay Mesa region of San Diego that guides land use, development, and infrastructure decisions for the community.
  • E. Downtown San Diego
    Downtown San Diego is the city's central urban core, known for its waterfront, cultural attractions, nightlife, and role as a major business and transit hub in Southern California.
  • 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_69da6276bcf48190aabbf279192a5fb4 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e6632d9d888190b0985bb5ed989311 completed April 20, 2026, 5:32 p.m.
NED1 Entity disambiguation (via context triple) batch_6a081607e4988190838907e8bce1ee3e completed May 16, 2026, 7 a.m.
NEDg Description generation batch_6a081691dcfc8190b41040341d99a9c9 completed May 16, 2026, 7:02 a.m.
NED2 Entity disambiguation (via description) batch_6a08171724cc81908d6997dbae84ad9e completed May 16, 2026, 7:04 a.m.
Created at: April 11, 2026, 3:37 p.m.