Triple

T1449982
Position Surface form Disambiguated ID Type / Status
Subject Baltimore Metro SubwayLink E31267 entity
Predicate hasStation P35 FINISHED
Object Penn–North station
Penn–North station is an underground rapid transit stop on Baltimore’s Metro SubwayLink system serving the Penn-North neighborhood in West Baltimore.
 E186019 NE FINISHED

How this triple was built (4 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: Penn–North station | Statement: [Baltimore Metro SubwayLink, hasStation, Penn–North station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Penn–North station
Context triple: [Baltimore Metro SubwayLink, hasStation, Penn–North station]
  • A. North Philadelphia station
    North Philadelphia station is a transit stop in North Philadelphia, Pennsylvania, serving passengers on SEPTA’s Broad Street Line subway.
  • B. Hatboro station
    Hatboro station is a SEPTA Regional Rail stop in Hatboro, Pennsylvania, serving commuters on the Warminster Line to and from central Philadelphia.
  • C. Temple University station
    Temple University station is a major SEPTA Regional Rail hub in North Philadelphia serving multiple commuter lines and providing access to Temple University's main campus.
  • D. Downingtown Station
    Downingtown Station is a passenger rail station in Downingtown, Pennsylvania, served by Amtrak and SEPTA regional rail services.
  • E. Doylestown station
    Doylestown station is a SEPTA Regional Rail station in Doylestown, Pennsylvania, serving as a key commuter hub for travel between the northern suburbs and central Philadelphia.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Penn–North station
Triple: [Baltimore Metro SubwayLink, hasStation, Penn–North station]
Generated description
Penn–North station is an underground rapid transit stop on Baltimore’s Metro SubwayLink system serving the Penn-North neighborhood in West Baltimore.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Penn–North station
Target entity description: Penn–North station is an underground rapid transit stop on Baltimore’s Metro SubwayLink system serving the Penn-North neighborhood in West Baltimore.
  • A. North Philadelphia station
    North Philadelphia station is a transit stop in North Philadelphia, Pennsylvania, serving passengers on SEPTA’s Broad Street Line subway.
  • B. Hatboro station
    Hatboro station is a SEPTA Regional Rail stop in Hatboro, Pennsylvania, serving commuters on the Warminster Line to and from central Philadelphia.
  • C. Temple University station
    Temple University station is a major SEPTA Regional Rail hub in North Philadelphia serving multiple commuter lines and providing access to Temple University's main campus.
  • D. Downingtown Station
    Downingtown Station is a passenger rail station in Downingtown, Pennsylvania, served by Amtrak and SEPTA regional rail services.
  • E. Doylestown station
    Doylestown station is a SEPTA Regional Rail station in Doylestown, Pennsylvania, serving as a key commuter hub for travel between the northern suburbs and central Philadelphia.
  • F. None of above. chosen

Provenance (5 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_69a499171a28819085b993a3ac78e363 completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c55d923c8190957756f834f94462 completed March 1, 2026, 11:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad608253cc81909e1985f6dc5e41a4 completed March 8, 2026, 11:41 a.m.
NEDg Description generation batch_69ad61ae3c948190b1871e877e856a65 completed March 8, 2026, 11:46 a.m.
NED2 Entity disambiguation (via description) batch_69ad622acf5881908add72069bd2f060 completed March 8, 2026, 11:48 a.m.
Created at: March 1, 2026, 8 p.m.