Triple

T17152013
Position Surface form Disambiguated ID Type / Status
Subject Santa Fe Depot (San Diego) E416243 entity
Predicate serves P98 FINISHED
Object Green Line (San Diego Trolley)
The Green Line is a light rail service of the San Diego Trolley system that connects key inland communities with downtown San Diego and major transit hubs.
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: [Santa Fe Depot (San Diego), serves, 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: [Santa Fe Depot (San Diego), serves, 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: [Santa Fe Depot (San Diego), serves, Green Line (San Diego Trolley)]
Generated description
The Green Line is a light rail service of the San Diego Trolley system that connects key inland communities with downtown San Diego and major transit hubs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Green Line (San Diego Trolley)
Target entity description: The Green Line is a light rail service of the San Diego Trolley system that connects key inland communities with downtown San Diego and major transit hubs.
  • 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_69d886d279c081909f8ff1f743ddeb69 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3f40861e08190bad1a3ec87691132 completed April 18, 2026, 9:13 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0148337a348190b8739eb3f553f1d9 completed May 11, 2026, 3:08 a.m.
NEDg Description generation batch_6a014974b85081908ebe6ee8756f4465 completed May 11, 2026, 3:13 a.m.
NED2 Entity disambiguation (via description) batch_6a014a20bb2c8190bbae3009783efc00 completed May 11, 2026, 3:16 a.m.
Created at: April 10, 2026, 5:36 a.m.