Triple

T328297
Position Surface form Disambiguated ID Type / Status
Subject Pennsylvania Station (Baltimore) E6568 entity
Predicate serves P98 FINISHED
Object Northeast Regional E35487 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: Northeast Regional | Statement: [Pennsylvania Station (Baltimore), serves, Northeast Regional]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Northeast Regional
Context triple: [Pennsylvania Station (Baltimore), serves, Northeast Regional]
  • A. Northeast Regional chosen
    Northeast Regional is one of Amtrak’s primary intercity passenger rail services, operating frequent medium-distance trains along the busy Northeast Corridor and adjacent routes.
  • B. East Region
    The East Region is one of the four geographic brackets used to organize teams and games in the NCAA Division I Men’s Basketball Tournament.
  • C. Northeastern United States
    The Northeastern United States is a densely populated and historically significant region of the country known for its major metropolitan areas, economic influence, and role in American politics and culture.
  • D. Eastern United States
    The Eastern United States is the region of the country along and near the Atlantic coast, encompassing densely populated states, major historic cities, and key economic and political centers.
  • E. New England region
    The New England region is a highland area in northern New South Wales, Australia, known for its cool climate, grazing and agricultural industries, and historic country towns.
  • 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_69a2e7933d6c8190bb2592ad13286ef2 completed Feb. 28, 2026, 1:03 p.m.
NER Named-entity recognition batch_69a2ea98fa2c8190a5b44f4a26543a17 completed Feb. 28, 2026, 1:16 p.m.
NED1 Entity disambiguation (via context triple) batch_69a48a72e3c48190bbdf104ff607262b completed March 1, 2026, 6:50 p.m.
Created at: Feb. 28, 2026, 1:08 p.m.