Triple

T886262
Position Surface form Disambiguated ID Type / Status
Subject Ashmont branch E19136 entity
Predicate hasStation P35 FINISHED
Object Cedar Grove station
Cedar Grove station is a small neighborhood stop on Boston's MBTA Red Line, serving the Ashmont–Mattapan High-Speed Line in the Dorchester area.
 E188908 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: Cedar Grove station | Statement: [Ashmont branch, hasStation, Cedar Grove station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Cedar Grove station
Context triple: [Ashmont branch, hasStation, Cedar Grove station]
  • A. Greenlawn station
    Greenlawn station is a Long Island Rail Road commuter rail stop in Greenlawn, New York, serving passengers on the Port Jefferson Branch.
  • B. Hunting Park station
    Hunting Park station is a subway stop in North Philadelphia serving riders on SEPTA’s Broad Street Line.
  • C. Willow Grove station
    Willow Grove station is a SEPTA Regional Rail stop in Willow Grove, Pennsylvania, serving commuters on the Warminster Line to and from central Philadelphia.
  • D. Cedarhurst station
    Cedarhurst station is a Long Island Rail Road commuter rail stop serving the village of Cedarhurst in Nassau County, New York.
  • E. Valley Road station
    Valley Road station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • 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: Cedar Grove station
Triple: [Ashmont branch, hasStation, Cedar Grove station]
Generated description
Cedar Grove station is a small neighborhood stop on Boston's MBTA Red Line, serving the Ashmont–Mattapan High-Speed Line in the Dorchester area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Cedar Grove station
Target entity description: Cedar Grove station is a small neighborhood stop on Boston's MBTA Red Line, serving the Ashmont–Mattapan High-Speed Line in the Dorchester area.
  • A. Greenlawn station
    Greenlawn station is a Long Island Rail Road commuter rail stop in Greenlawn, New York, serving passengers on the Port Jefferson Branch.
  • B. Hunting Park station
    Hunting Park station is a subway stop in North Philadelphia serving riders on SEPTA’s Broad Street Line.
  • C. Willow Grove station
    Willow Grove station is a SEPTA Regional Rail stop in Willow Grove, Pennsylvania, serving commuters on the Warminster Line to and from central Philadelphia.
  • D. Cedarhurst station
    Cedarhurst station is a Long Island Rail Road commuter rail stop serving the village of Cedarhurst in Nassau County, New York.
  • E. Valley Road station
    Valley Road station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
  • 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_69ad717a95848190964e7cf1be92ad67 completed March 8, 2026, 12:54 p.m.
NEDg Description generation batch_69ad72016c3c8190ac3bd11bab59fdf0 completed March 8, 2026, 12:56 p.m.
NED2 Entity disambiguation (via description) batch_69ad7277b5f081908a8af047032aa15a completed March 8, 2026, 12:58 p.m.
Created at: March 1, 2026, 7:39 p.m.