Triple

T7105651
Position Surface form Disambiguated ID Type / Status
Subject Old Court station E165573 entity
Predicate isOnLine P15096 FINISHED
Object Northwest–East line of Baltimore Metro SubwayLink E31267 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: Northwest–East line of Baltimore Metro SubwayLink | Statement: [Old Court station, isOnLine, Northwest–East line of Baltimore Metro SubwayLink]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Northwest–East line of Baltimore Metro SubwayLink
Context triple: [Old Court station, isOnLine, Northwest–East line of Baltimore Metro SubwayLink]
  • A. Baltimore Metro SubwayLink chosen
    The Baltimore Metro SubwayLink is a rapid transit subway system serving Baltimore, Maryland, providing high-capacity rail service along a primary east–west corridor through the city and into surrounding areas.
  • B. Baltimore Light Rail
    Baltimore Light Rail is a regional light rail transit system serving Baltimore, Maryland, and its surrounding suburbs.
  • C. Ravenswood Line
    The Ravenswood Line is the historical name for what is now known as the Chicago Transit Authority's Brown Line, an elevated rapid transit route serving Chicago's North Side.
  • D. Blue Line (Washington Metro)
    The Blue Line is one of the primary rapid transit lines of the Washington Metro system, running through downtown Washington, D.C., and connecting key locations in Virginia and Maryland.
  • E. East Subdivision to Baltimore
    East Subdivision to Baltimore is a key rail line of the Western Maryland Railway that provided an important route into the Baltimore area.
  • 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_69c6887fcddc8190a5d58908f6dee590 completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e5b892008190827fa1e5eab2e558 completed March 27, 2026, 8:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7cbc74dac8190993f613d8219fa8d completed March 28, 2026, 12:38 p.m.
Created at: March 27, 2026, 2:42 p.m.