Triple

T6928414
Position Surface form Disambiguated ID Type / Status
Subject Carpenter station E160369 entity
Predicate servesLineTerminus P1293 FINISHED
Object Chestnut Hill West
Chestnut Hill West is a SEPTA Regional Rail line in Philadelphia that runs between Center City and the Chestnut Hill neighborhood.
E628849 NE FINISHED

How this triple was built (5 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: Chestnut Hill West | Statement: [Carpenter station, servesLineTerminus, Chestnut Hill West]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chestnut Hill West
Context triple: [Carpenter station, servesLineTerminus, Chestnut Hill West]
  • A. Chestnut Hill, Newton
    Chestnut Hill, Newton is an affluent residential village in the city of Newton, Massachusetts, known for its historic homes, tree-lined streets, and proximity to Boston College and the Chestnut Hill Reservoir.
  • B. Roslindale
    Roslindale is a residential neighborhood in the southern part of Boston, Massachusetts, known for its village-style center, diverse community, and proximity to major green spaces.
  • C. Newton Hills
    Newton Hills is a series of challenging inclines in Newton, Massachusetts, best known for forming the toughest stretch of the Boston Marathon course.
  • D. Uphams Corner
    Uphams Corner is a diverse commercial and residential neighborhood in the Dorchester area of Boston, Massachusetts, known for its historic architecture and vibrant community.
  • E. Belmont Hill
    Belmont Hill is an elevated area overlooking the town of Belmont, Massachusetts, known for its scenic views of the local skyline and surrounding region.
  • 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: Chestnut Hill West
Triple: [Carpenter station, servesLineTerminus, Chestnut Hill West]
Generated description
Chestnut Hill West is a SEPTA Regional Rail line in Philadelphia that runs between Center City and the Chestnut Hill neighborhood.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chestnut Hill West
Target entity description: Chestnut Hill West is a SEPTA Regional Rail line in Philadelphia that runs between Center City and the Chestnut Hill neighborhood.
  • A. Chestnut Hill, Newton
    Chestnut Hill, Newton is an affluent residential village in the city of Newton, Massachusetts, known for its historic homes, tree-lined streets, and proximity to Boston College and the Chestnut Hill Reservoir.
  • B. Roslindale
    Roslindale is a residential neighborhood in the southern part of Boston, Massachusetts, known for its village-style center, diverse community, and proximity to major green spaces.
  • C. Newton Hills
    Newton Hills is a series of challenging inclines in Newton, Massachusetts, best known for forming the toughest stretch of the Boston Marathon course.
  • D. Uphams Corner
    Uphams Corner is a diverse commercial and residential neighborhood in the Dorchester area of Boston, Massachusetts, known for its historic architecture and vibrant community.
  • E. Belmont Hill
    Belmont Hill is an elevated area overlooking the town of Belmont, Massachusetts, known for its scenic views of the local skyline and surrounding region.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: servesLineTerminus
Context triple: [Carpenter station, servesLineTerminus, Chestnut Hill West]
  • A. servesLine
    Indicates that a transportation stop, station, or facility is on and provides service for a particular transit line.
  • B. servesLineTo
    Indicates that one entity provides or operates a particular service line or route for another entity or location.
  • C. servesLineType
    Indicates that a service or entity operates or supports a specific type or category of line (e.g., transport, communication, or utility line).
  • D. servedByLine chosen
    Indicates that a transportation stop, station, or location is provided service by a specific transit line.
  • E. lineServed
    Indicates that a particular transportation line (such as a bus, train, or metro line) provides service to or is operated at a given stop, station, or route segment.
  • F. None of above.

Provenance (6 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_69c6884d350081908d8a970e4d40ad78 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6da1de28881908579bc198e74203e completed March 27, 2026, 7:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7514774d88190af212d7953014703 completed March 28, 2026, 3:55 a.m.
NEDg Description generation batch_69c7524d677c81909531ba9bb46f2632 completed March 28, 2026, 4 a.m.
NED2 Entity disambiguation (via description) batch_69c752bef2808190843f3cad53aa5702 completed March 28, 2026, 4:02 a.m.
PD Predicate disambiguation batch_69c6d7bb577c81908ee8b415b4281f3d completed March 27, 2026, 7:17 p.m.
Created at: March 27, 2026, 2:27 p.m.