Triple

T8530748
Position Surface form Disambiguated ID Type / Status
Subject Union Station E201938 entity
Predicate hasNotableExample P1259 FINISHED
Object Union Station (Erie, Pennsylvania)
Union Station (Erie, Pennsylvania) is a historic former passenger railroad station in downtown Erie that now serves as a mixed-use commercial and office complex.
 E745994 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: Union Station (Erie, Pennsylvania) | Statement: [Union Station, hasNotableExample, Union Station (Erie, Pennsylvania)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Union Station (Erie, Pennsylvania)
Context triple: [Union Station, hasNotableExample, Union Station (Erie, Pennsylvania)]
  • A. Union Station (Phoenixville, Pennsylvania)
    Union Station (Phoenixville, Pennsylvania) is a historic former train station in Phoenixville that once served as a local rail transportation hub and now stands as a preserved landmark reflecting the town’s railroad heritage.
  • B. Union Station (Pittsburgh)
    Union Station (Pittsburgh) is a historic Beaux-Arts railroad terminal in downtown Pittsburgh, renowned for its grand rotunda and role as a major early 20th-century transportation hub.
  • C. Erie station (Broad Street Line)
    Erie station (Broad Street Line) is a rapid transit station on SEPTA's Broad Street Line in Philadelphia, Pennsylvania.
  • D. Erie station
    Erie station is a subway station in Philadelphia, Pennsylvania, serving the SEPTA Broad Street Line.
  • E. 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.
  • 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: Union Station (Erie, Pennsylvania)
Triple: [Union Station, hasNotableExample, Union Station (Erie, Pennsylvania)]
Generated description
Union Station (Erie, Pennsylvania) is a historic former passenger railroad station in downtown Erie that now serves as a mixed-use commercial and office complex.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Union Station (Erie, Pennsylvania)
Target entity description: Union Station (Erie, Pennsylvania) is a historic former passenger railroad station in downtown Erie that now serves as a mixed-use commercial and office complex.
  • A. Union Station (Phoenixville, Pennsylvania)
    Union Station (Phoenixville, Pennsylvania) is a historic former train station in Phoenixville that once served as a local rail transportation hub and now stands as a preserved landmark reflecting the town’s railroad heritage.
  • B. Union Station (Pittsburgh)
    Union Station (Pittsburgh) is a historic Beaux-Arts railroad terminal in downtown Pittsburgh, renowned for its grand rotunda and role as a major early 20th-century transportation hub.
  • C. Erie station (Broad Street Line)
    Erie station (Broad Street Line) is a rapid transit station on SEPTA's Broad Street Line in Philadelphia, Pennsylvania.
  • D. Erie station
    Erie station is a subway station in Philadelphia, Pennsylvania, serving the SEPTA Broad Street Line.
  • E. 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.
  • 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_69ca83228b24819085d22e7dc99f5d94 completed March 30, 2026, 2:05 p.m.
NER Named-entity recognition batch_69cbe67546248190b359c845c0161ad3 completed March 31, 2026, 3:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69cea854e8c881909c62b29d999edde8 completed April 2, 2026, 5:33 p.m.
NEDg Description generation batch_69cea996a5c48190a12ffe8e282d2d9c completed April 2, 2026, 5:38 p.m.
NED2 Entity disambiguation (via description) batch_69ceadb2d52c8190aada1d797753663e completed April 2, 2026, 5:56 p.m.
Created at: March 30, 2026, 6:17 p.m.