Triple

T2845898
Position Surface form Disambiguated ID Type / Status
Subject Federal Triangle station E62581 entity
Predicate isPartOf P10 FINISHED
Object Arlington–Washington, D.C. transit network E225 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: Arlington–Washington, D.C. transit network | Statement: [Federal Triangle station, isPartOf, Arlington–Washington, D.C. transit network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Arlington–Washington, D.C. transit network
Context triple: [Federal Triangle station, isPartOf, Arlington–Washington, D.C. transit network]
  • A. Washington Metro chosen
    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.
  • B. Baltimore–Washington metropolitan area transportation network
    The Baltimore–Washington metropolitan area transportation network is an integrated system of airports, highways, rail lines, and public transit that connects and supports travel and commerce between the Baltimore and Washington, D.C. regions.
  • C. Arlington Transit bus service
    Arlington Transit bus service is a local public bus system in Arlington, Virginia that provides neighborhood and commuter routes connecting areas such as Clarendon to key destinations across the county and regional transit network.
  • D. Washington, D.C. arterial road network
    The Washington, D.C. arterial road network is the system of major streets and avenues that carries high-volume traffic across the U.S. capital, linking its neighborhoods, downtown core, and regional highways.
  • E. Virginia Railway Express
    Virginia Railway Express is a commuter rail service that connects Northern Virginia suburbs with Washington, D.C., primarily serving daily work commuters.
  • 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_69ab4c3d16bc81908b3a1c98fbd287fe completed March 6, 2026, 9:50 p.m.
NER Named-entity recognition batch_69abdf3d00708190966a477fdd855f23 completed March 7, 2026, 8:18 a.m.
NED1 Entity disambiguation (via context triple) batch_69afe8dbdff88190b6c46cfd6ef54bb8 completed March 10, 2026, 9:48 a.m.
Created at: March 6, 2026, 10:02 p.m.