Triple

T3653864
Position Surface form Disambiguated ID Type / Status
Subject Metro Silver Line (historical bus branding) E77483 entity
Predicate shortName P43 FINISHED
Object Metro Silver Line
The Metro Silver Line is a former branding used for certain Los Angeles County Metropolitan Transportation Authority bus services, particularly those operating as part of the region’s bus rapid transit network.
 E444743 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: Metro Silver Line | Statement: [Metro Silver Line (historical bus branding), shortName, Metro Silver Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metro Silver Line
Context triple: [Metro Silver Line (historical bus branding), shortName, Metro Silver Line]
  • A. Silver Line
    The Silver Line is a rapid transit route in the Washington Metro system that serves northern Virginia suburbs, including Tysons and Reston, and connects them to Washington, D.C.
  • B. Silver Line
    The Silver Line is a bus rapid transit service in Boston, Massachusetts, operated by the MBTA and serving key corridors including the Seaport District and Logan Airport.
  • C. Blue Line (Washington Metro)
    The Blue Line is one of the primary rapid transit lines of the Washington Metro system, running through downtown Washington, D.C., and connecting key locations in Virginia and Maryland.
  • D. Orange Line (Washington Metro)
    The Orange Line of the Washington Metro is a rapid transit line in the Washington, D.C. metropolitan area that runs generally east–west, connecting suburbs in Virginia and Maryland with downtown Washington.
  • E. Washington Metro Green Line
    The Washington Metro Green Line is a rapid transit line in the Washington, D.C. metropolitan area that runs north–south through the city and into surrounding suburbs, including Prince George’s County, Maryland.
  • 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: Metro Silver Line
Triple: [Metro Silver Line (historical bus branding), shortName, Metro Silver Line]
Generated description
The Metro Silver Line is a former branding used for certain Los Angeles County Metropolitan Transportation Authority bus services, particularly those operating as part of the region’s bus rapid transit network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Metro Silver Line
Target entity description: The Metro Silver Line is a former branding used for certain Los Angeles County Metropolitan Transportation Authority bus services, particularly those operating as part of the region’s bus rapid transit network.
  • A. Silver Line
    The Silver Line is a rapid transit route in the Washington Metro system that serves northern Virginia suburbs, including Tysons and Reston, and connects them to Washington, D.C.
  • B. Silver Line
    The Silver Line is a bus rapid transit service in Boston, Massachusetts, operated by the MBTA and serving key corridors including the Seaport District and Logan Airport.
  • C. Blue Line (Washington Metro)
    The Blue Line is one of the primary rapid transit lines of the Washington Metro system, running through downtown Washington, D.C., and connecting key locations in Virginia and Maryland.
  • D. Orange Line (Washington Metro)
    The Orange Line of the Washington Metro is a rapid transit line in the Washington, D.C. metropolitan area that runs generally east–west, connecting suburbs in Virginia and Maryland with downtown Washington.
  • E. Washington Metro Green Line
    The Washington Metro Green Line is a rapid transit line in the Washington, D.C. metropolitan area that runs north–south through the city and into surrounding suburbs, including Prince George’s County, Maryland.
  • 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_69ad85def5cc8190863dccf55a18bebb completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc3b9164c81908938a4338430d193 completed March 8, 2026, 6:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69b66b21271c81909f1cf3239bc1b7eb completed March 15, 2026, 8:17 a.m.
NEDg Description generation batch_69b66c22c73c8190b75a9585cba09f59 completed March 15, 2026, 8:21 a.m.
NED2 Entity disambiguation (via description) batch_69b66caba92c819094747fc63eb71553 completed March 15, 2026, 8:24 a.m.
Created at: March 8, 2026, 3:24 p.m.