Triple

T886261
Position Surface form Disambiguated ID Type / Status
Subject Ashmont branch E19136 entity
Predicate hasStation P35 FINISHED
Object Shawmut station
Shawmut station is a rapid transit stop on Boston's MBTA Red Line serving the Dorchester neighborhood along the Ashmont branch.
 E156324 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: Shawmut station | Statement: [Ashmont branch, hasStation, Shawmut station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Shawmut station
Context triple: [Ashmont branch, hasStation, Shawmut station]
  • A. Belmont Center station
    Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
  • B. Sullivan Square station
    Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
  • C. Fort Totten station
    Fort Totten station is a major Washington Metro transfer hub in Northeast D.C. where the Red Line intersects with the Green and Yellow Lines.
  • D. Forest Hills station
    Forest Hills station is a major multimodal transit hub in Boston that serves as a key interchange point for MBTA subway, commuter rail, and numerous bus routes.
  • E. Eisenhower Avenue station
    Eisenhower Avenue station is a Washington Metro rapid transit stop serving the Yellow Line in Alexandria, Virginia, near the Eisenhower Avenue corridor and adjacent commercial and residential areas.
  • 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: Shawmut station
Triple: [Ashmont branch, hasStation, Shawmut station]
Generated description
Shawmut station is a rapid transit stop on Boston's MBTA Red Line serving the Dorchester neighborhood along the Ashmont branch.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Shawmut station
Target entity description: Shawmut station is a rapid transit stop on Boston's MBTA Red Line serving the Dorchester neighborhood along the Ashmont branch.
  • A. Belmont Center station
    Belmont Center station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop located in the commercial center of Belmont, Massachusetts.
  • B. Sullivan Square station
    Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
  • C. Fort Totten station
    Fort Totten station is a major Washington Metro transfer hub in Northeast D.C. where the Red Line intersects with the Green and Yellow Lines.
  • D. Forest Hills station
    Forest Hills station is a major multimodal transit hub in Boston that serves as a key interchange point for MBTA subway, commuter rail, and numerous bus routes.
  • E. Eisenhower Avenue station
    Eisenhower Avenue station is a Washington Metro rapid transit stop serving the Yellow Line in Alexandria, Virginia, near the Eisenhower Avenue corridor and adjacent commercial and residential areas.
  • 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_69a4939c32488190a7ccd41cf0abb22b completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4ace714ec81909b0b1deaeac66be5 completed March 1, 2026, 9:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69acce513848819094ad79eea2a53172 completed March 8, 2026, 1:18 a.m.
NEDg Description generation batch_69acceda83f08190b191c0c1432108b0 completed March 8, 2026, 1:20 a.m.
NED2 Entity disambiguation (via description) batch_69accfc65c008190affa13bee507bf6e completed March 8, 2026, 1:24 a.m.
Created at: March 1, 2026, 7:39 p.m.