Triple

T16127951
Position Surface form Disambiguated ID Type / Status
Subject Clark Construction Group E391319 entity
Predicate notableProject P4 FINISHED
Object Dulles Metrorail (Silver Line) projects E446020 NE FINISHED

How this triple was built (2 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: Dulles Metrorail (Silver Line) projects | Statement: [Clark Construction Group, notableProject, Dulles Metrorail (Silver Line) projects]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Dulles Metrorail (Silver Line) projects
Context triple: [Clark Construction Group, notableProject, Dulles Metrorail (Silver Line) projects]
  • A. Washington Metro Silver Line chosen
    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.
  • B. 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.
  • C. Silver Line Waterfront project
    The Silver Line Waterfront project was a major transit initiative in Boston that extended the MBTA Silver Line bus rapid transit service to the South Boston Waterfront and Seaport District to improve access and spur development in the area.
  • D. Northeast Corridor extension to Virginia
    The Northeast Corridor extension to Virginia is the southern continuation of Amtrak’s primary high-speed rail route, carrying intercity and commuter trains from Washington, D.C. through northern and central Virginia.
  • E. The Silver Line
    The Silver Line is a UK-based helpline charity that offers information, friendship, and emotional support to older people to combat loneliness and isolation.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d87f1bb0988190b490d273dbf3fd03 completed April 10, 2026, 4:39 a.m.
NER Named-entity recognition batch_69e20205bed48190a6930439738da191 completed April 17, 2026, 9:48 a.m.
NED1 Entity disambiguation (via context triple) batch_69fff2adf5848190a1dd58bc76dd4ffd completed May 10, 2026, 2:51 a.m.
Created at: April 10, 2026, 5 a.m.