Triple

T3910239
Position Surface form Disambiguated ID Type / Status
Subject Spring Hill station E87302 entity
Predicate partOfNetwork P840 FINISHED
Object Washington Metro Silver Line
The Washington Metro Silver Line is a rapid transit line in the Washington, D.C. metropolitan area that extends service to Northern Virginia suburbs including Tysons and Reston.
 E446020 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: Washington Metro Silver Line | Statement: [Spring Hill station, partOfNetwork, Washington Metro Silver Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Washington Metro Silver Line
Context triple: [Spring Hill station, partOfNetwork, Washington Metro Silver Line]
  • A. 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.
  • B. Washington Metro Red Line
    The Washington Metro Red Line is a major rapid transit route in the Washington, D.C. metropolitan area, running through key downtown and suburban corridors as part of the region’s primary subway system.
  • C. 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.
  • D. Washington Metro Yellow Line
    The Washington Metro Yellow Line is a rapid transit line in the Washington, D.C. metropolitan area that runs north–south through the city and into Virginia, serving key hubs including downtown Washington and Alexandria.
  • E. Washington Metro
    Washington Metro is the rapid transit system serving the Washington, D.C. metropolitan area, known for its extensive rail network connecting the city with its suburbs in Maryland and Virginia.
  • 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: Washington Metro Silver Line
Triple: [Spring Hill station, partOfNetwork, Washington Metro Silver Line]
Generated description
The Washington Metro Silver Line is a rapid transit line in the Washington, D.C. metropolitan area that extends service to Northern Virginia suburbs including Tysons and Reston.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Washington Metro Silver Line
Target entity description: The Washington Metro Silver Line is a rapid transit line in the Washington, D.C. metropolitan area that extends service to Northern Virginia suburbs including Tysons and Reston.
  • A. 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.
  • B. Washington Metro Red Line
    The Washington Metro Red Line is a major rapid transit route in the Washington, D.C. metropolitan area, running through key downtown and suburban corridors as part of the region’s primary subway system.
  • C. 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.
  • D. Washington Metro Yellow Line
    The Washington Metro Yellow Line is a rapid transit line in the Washington, D.C. metropolitan area that runs north–south through the city and into Virginia, serving key hubs including downtown Washington and Alexandria.
  • E. Washington Metro
    Washington Metro is the rapid transit system serving the Washington, D.C. metropolitan area, known for its extensive rail network connecting the city with its suburbs in Maryland and Virginia.
  • 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_69aed9424514819086e9c58adde6652d completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aeed3408f881908c3cffc5dbfe3950 completed March 9, 2026, 3:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69bd568effac81908bc52b5240e47c8c completed March 20, 2026, 2:15 p.m.
NEDg Description generation batch_69bd57712e6c8190b96929bd7ba4a9f8 completed March 20, 2026, 2:19 p.m.
NED2 Entity disambiguation (via description) batch_69bd57cf63108190b818cf33675d5721 completed March 20, 2026, 2:21 p.m.
Created at: March 9, 2026, 3:22 p.m.