Triple

T20050402
Position Surface form Disambiguated ID Type / Status
Subject Blue Line (San Diego Trolley) E499181 entity
Predicate connectsTo P845 FINISHED
Object Green Line (San Diego Trolley)
The Green Line (San Diego Trolley) is a major light rail route in the San Diego Trolley system that serves key destinations including Old Town, Mission Valley, and San Diego State University.
E103770 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: Green Line (San Diego Trolley) | Statement: [Blue Line (San Diego Trolley), connectsTo, Green Line (San Diego Trolley)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Green Line (San Diego Trolley)
Context triple: [Blue Line (San Diego Trolley), connectsTo, Green Line (San Diego Trolley)]
  • A. San Diego Trolley
    The San Diego Trolley is a light rail transit system serving the San Diego metropolitan area, known for its multiple color-coded lines connecting downtown with surrounding communities and key regional destinations.
  • B. Green Line (Sacramento RT)
    The Green Line (Sacramento RT) is a light rail service in Sacramento, California, operating as part of the Sacramento Regional Transit District’s rail network.
  • C. G Line (Los Angeles Metro)
    The G Line (Los Angeles Metro) is a bus rapid transit route in Los Angeles’ San Fernando Valley that runs primarily along dedicated busways, providing high-frequency east–west service.
  • D. B Line (Los Angeles Metro)
    The B Line is a heavy-rail rapid transit line in the Los Angeles Metro system that runs primarily underground, connecting North Hollywood to downtown Los Angeles.
  • E. Los Angeles Metro Green Line
    The Los Angeles Metro Green Line is an east–west light rail line in Los Angeles County that runs primarily along the median of the I-105 freeway, connecting Norwalk to Redondo Beach and serving as part of the Los Angeles Metro Rail system.
  • 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: Green Line (San Diego Trolley)
Triple: [Blue Line (San Diego Trolley), connectsTo, Green Line (San Diego Trolley)]
Generated description
The Green Line (San Diego Trolley) is a major light rail route in the San Diego Trolley system that serves key destinations including Old Town, Mission Valley, and San Diego State University.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Green Line (San Diego Trolley)
Target entity description: The Green Line (San Diego Trolley) is a major light rail route in the San Diego Trolley system that serves key destinations including Old Town, Mission Valley, and San Diego State University.
  • A. San Diego Trolley chosen
    The San Diego Trolley is a light rail transit system serving the San Diego metropolitan area, known for its multiple color-coded lines connecting downtown with surrounding communities and key regional destinations.
  • B. Green Line (Sacramento RT)
    The Green Line (Sacramento RT) is a light rail service in Sacramento, California, operating as part of the Sacramento Regional Transit District’s rail network.
  • C. G Line (Los Angeles Metro)
    The G Line (Los Angeles Metro) is a bus rapid transit route in Los Angeles’ San Fernando Valley that runs primarily along dedicated busways, providing high-frequency east–west service.
  • D. B Line (Los Angeles Metro)
    The B Line is a heavy-rail rapid transit line in the Los Angeles Metro system that runs primarily underground, connecting North Hollywood to downtown Los Angeles.
  • E. Los Angeles Metro Green Line
    The Los Angeles Metro Green Line is an east–west light rail line in Los Angeles County that runs primarily along the median of the I-105 freeway, connecting Norwalk to Redondo Beach and serving as part of the Los Angeles Metro Rail system.
  • F. None of above.

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_6a081f31fcd88190a7ad0461610ebf57 completed May 16, 2026, 7:39 a.m.
NEDg Description generation batch_6a081fbb7f208190a032f9f312fd07de completed May 16, 2026, 7:41 a.m.
NED2 Entity disambiguation (via description) batch_6a08208c203c819083abea34d10d5e4e completed May 16, 2026, 7:45 a.m.
Created at: April 11, 2026, 3:37 p.m.