Triple

T9064608
Position Surface form Disambiguated ID Type / Status
Subject Frederick Douglass Memorial Bridge (southern landing) E217212 entity
Predicate positionRelativeToRiver P73621 FINISHED
Object southern bank of the Anacostia River LITERAL 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: southern bank of the Anacostia River | Statement: [Frederick Douglass Memorial Bridge (southern landing), positionRelativeToRiver, southern bank of the Anacostia River]
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: positionRelativeToRiver
Context triple: [Frederick Douglass Memorial Bridge (southern landing), positionRelativeToRiver, southern bank of the Anacostia River]
  • A. positionInRiverSystem
    Indicates the relative location or order of a water body or feature within the hierarchical structure of a river system (e.g., upstream, downstream, tributary level).
  • B. locatedBetweenRiver
    Indicates that an entity is situated in the area or region between two segments or banks of a river, or between two rivers.
  • C. locatedInRiverArea chosen
    Indicates that one entity is situated within the geographic area occupied by, adjacent to, or directly associated with a particular river.
  • D. positionRelativeToCoast
    Indicates the spatial relationship of something to a coastline, such as its distance or orientation relative to the coast.
  • E. riverLocation
    Indicates that a river is located in, passes through, or is geographically associated with a specified place or region.
  • F. None of above.

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_69ca83d5a7f48190b16c1e59bd43ede0 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69cc94bb26588190b7d6f2d70819e86f completed April 1, 2026, 3:44 a.m.
PD Predicate disambiguation batch_69cc65f881248190bfd220bb28a9fb5f completed April 1, 2026, 12:25 a.m.
Created at: March 30, 2026, 7:11 p.m.