Triple

T19692428
Position Surface form Disambiguated ID Type / Status
Subject Blue Plains rail bridge E472867 entity
Predicate locatedNear P294 FINISHED
Object Washington, D.C.–Maryland border 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: Washington, D.C.–Maryland border | Statement: [Blue Plains rail bridge, locatedNear, Washington, D.C.–Maryland border]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Washington, D.C.–Maryland border
Context triple: [Blue Plains rail bridge, locatedNear, Washington, D.C.–Maryland border]
  • A. District of Columbia–Maryland border chosen
    The District of Columbia–Maryland border is the boundary line separating Washington, D.C. from the state of Maryland, running through both urban and natural areas in the region.
  • B. District of Columbia–Virginia border
    The District of Columbia–Virginia border is the jurisdictional boundary separating Washington, D.C. from the state of Virginia, largely defined by the Potomac River and significant for its legal, political, and infrastructural implications in the U.S. capital region.
  • C. Pennsylvania–Maryland border
    The Pennsylvania–Maryland border is a historically significant state line in the eastern United States, largely following the Mason–Dixon Line and separating Pennsylvania to the north from Maryland to the south.
  • D. Maryland state line
    The Maryland state line is the boundary separating the state of Maryland from its neighboring states, including Pennsylvania’s Bedford County.
  • E. Maryland–Virginia border on the Potomac River
    The Maryland–Virginia border on the Potomac River is the historically contested interstate boundary running along the Potomac that separates Maryland from Virginia and Washington, D.C., influencing regional jurisdiction, navigation, and development.
  • 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_69d8e515bef88190bc30781aea50537a completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e64210cddc8190836faa2996a44457 completed April 20, 2026, 3:11 p.m.
Created at: April 10, 2026, 1:46 p.m.