Triple

T8530740
Position Surface form Disambiguated ID Type / Status
Subject Union Station E201938 entity
Predicate hasNotableExample P1259 FINISHED
Object Union Station (Portland, Maine)
Union Station (Portland, Maine) was a prominent 19th-century railroad station in Portland that served as a major regional transportation hub before its demolition in the 1960s.
 E743146 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 (Portland, Maine) | Statement: [Union Station, hasNotableExample, Union Station (Portland, Maine)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Union Station (Portland, Maine)
Context triple: [Union Station, hasNotableExample, Union Station (Portland, Maine)]
  • A. Union Station (Bangor, Maine)
    Union Station (Bangor, Maine) was a historic railroad station that served as a major passenger and freight hub for Bangor and the surrounding region in the late 19th and early 20th centuries.
  • B. Union Station (Brattleboro, Vermont)
    Union Station (Brattleboro, Vermont) is a historic former railroad station in Brattleboro that now serves as a key local landmark and houses the Brattleboro Museum & Art Center.
  • C. Bowdoin station
    Bowdoin station is an underground Massachusetts Bay Transportation Authority subway station in downtown Boston serving the Blue Line near Government Center.
  • D. New London Union Station
    New London Union Station is a historic waterfront train station in New London, Connecticut, serving as a regional rail hub for Amtrak and commuter services.
  • E. Newburyport station
    Newburyport station is a Massachusetts Bay Transportation Authority commuter rail station in Newburyport, Massachusetts, serving as the northern endpoint of the Newburyport/Rockport Line.
  • 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 (Portland, Maine)
Triple: [Union Station, hasNotableExample, Union Station (Portland, Maine)]
Generated description
Union Station (Portland, Maine) was a prominent 19th-century railroad station in Portland that served as a major regional transportation hub before its demolition in the 1960s.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Union Station (Portland, Maine)
Target entity description: Union Station (Portland, Maine) was a prominent 19th-century railroad station in Portland that served as a major regional transportation hub before its demolition in the 1960s.
  • A. Union Station (Bangor, Maine)
    Union Station (Bangor, Maine) was a historic railroad station that served as a major passenger and freight hub for Bangor and the surrounding region in the late 19th and early 20th centuries.
  • B. Union Station (Brattleboro, Vermont)
    Union Station (Brattleboro, Vermont) is a historic former railroad station in Brattleboro that now serves as a key local landmark and houses the Brattleboro Museum & Art Center.
  • C. Bowdoin station
    Bowdoin station is an underground Massachusetts Bay Transportation Authority subway station in downtown Boston serving the Blue Line near Government Center.
  • D. New London Union Station
    New London Union Station is a historic waterfront train station in New London, Connecticut, serving as a regional rail hub for Amtrak and commuter services.
  • E. Newburyport station
    Newburyport station is a Massachusetts Bay Transportation Authority commuter rail station in Newburyport, Massachusetts, serving as the northern endpoint of the Newburyport/Rockport Line.
  • 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_69ce890333d08190b510d970e6d6fee5 completed April 2, 2026, 3:19 p.m.
NEDg Description generation batch_69ce8a9ba0448190ae7637f24b8a8032 completed April 2, 2026, 3:26 p.m.
NED2 Entity disambiguation (via description) batch_69ce8bda33548190a8f6985a48d65a39 completed April 2, 2026, 3:31 p.m.
Created at: March 30, 2026, 6:17 p.m.