Triple

T22714736
Position Surface form Disambiguated ID Type / Status
Subject WMATA 1000-series railcar E561696 entity
Predicate replacedBy P101 FINISHED
Object WMATA 7000-series railcar — NE NERFINISHED

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: WMATA 7000-series railcar | Statement: [WMATA 1000-series railcar, replacedBy, WMATA 7000-series railcar]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: WMATA 7000-series railcar
Context triple: [WMATA 1000-series railcar, replacedBy, WMATA 7000-series railcar]
  • A. WMATA 7000-series railcar chosen
    The WMATA 7000-series railcar is a modern, stainless-steel rapid transit car used by the Washington Metro system, featuring improved safety, digital displays, and updated interiors compared to older fleets.
  • B. WMATA 6000-series railcar
    The WMATA 6000-series railcar is a generation of Washington Metro rapid transit cars featuring modernized interiors, improved safety systems, and updated propulsion technology used across multiple lines in the system.
  • C. WMATA 5000-series railcar
    The WMATA 5000-series railcar is a generation of Washington Metro rapid transit cars built for improved performance and passenger amenities, used across multiple lines in the system.
  • D. WMATA 3000-series railcar
    The WMATA 3000-series railcar is a generation of Washington Metro rapid transit vehicles used across multiple lines in the system, featuring stainless-steel construction and updated interiors compared to earlier series.
  • E. WMATA 4000-series railcar
    The WMATA 4000-series railcar was an older generation of Washington Metro rolling stock that served the D.C. region’s subway system before being phased out in favor of newer models.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e2454f1348819088d83f420925a5c1 completed April 17, 2026, 2:35 p.m.
NER Named-entity recognition batch_69f1790bdac88190976c83c9039c9d16 completed April 29, 2026, 3:20 a.m.
Created at: April 17, 2026, 3:18 p.m.