Triple

T21098378
Position Surface form Disambiguated ID Type / Status
Subject Lancaster station (Pennsylvania) E519827 entity
Predicate serves P98 FINISHED
Object city of Lancaster, Pennsylvania 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: city of Lancaster, Pennsylvania | Statement: [Lancaster station (Pennsylvania), serves, city of Lancaster, Pennsylvania]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: city of Lancaster, Pennsylvania
Context triple: [Lancaster station (Pennsylvania), serves, city of Lancaster, Pennsylvania]
  • A. Lancaster, Pennsylvania chosen
    Lancaster, Pennsylvania is a historic city in south-central Pennsylvania known for its rich colonial heritage, proximity to Amish communities, and role as the longtime home of U.S. President James Buchanan.
  • B. City of Lancaster
    The City of Lancaster is a municipal government in Pennsylvania responsible for providing local services, infrastructure, and administration to its residents and overseeing facilities such as the Lancaster Regional Airport.
  • C. City of Lancaster
    The City of Lancaster is a municipality in northern Los Angeles County, California, located in the Antelope Valley region of the Mojave Desert.
  • D. City of Lancaster
    The City of Lancaster is a local government district and city in Lancashire, England, centered on the historic city of Lancaster and including surrounding towns and rural areas.
  • E. LANCASTER
    LANCASTER is a historic city in Lancashire, England, known for its medieval castle, Georgian architecture, and role as a regional cultural and administrative center.
  • 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_69e0b508d8dc81909be940dafe36c8f7 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e71b5a3a9481908e30fba9717dc461 completed April 21, 2026, 6:38 a.m.
Created at: April 16, 2026, 2:52 p.m.