Triple

T7892115
Position Surface form Disambiguated ID Type / Status
Subject Hamilton, Massachusetts E183260 entity
Predicate servedByStation P726 FINISHED
Object Hamilton/Wenham station
Hamilton/Wenham station is a Massachusetts Bay Transportation Authority commuter rail stop on the Newburyport/Rockport Line serving the towns of Hamilton and Wenham in northeastern Massachusetts.
 E702049 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: Hamilton/Wenham station | Statement: [Hamilton, Massachusetts, servedByStation, Hamilton/Wenham station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hamilton/Wenham station
Context triple: [Hamilton, Massachusetts, servedByStation, Hamilton/Wenham station]
  • A. Framingham station
    Framingham station is a commuter rail station in Framingham, Massachusetts, serving MBTA and Amtrak trains on the Worcester Line west of Boston.
  • B. 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.
  • C. Andover station
    Andover station is a commuter rail stop in Andover, Massachusetts, served by the MBTA on its route between Boston and Haverhill.
  • D. Malden Center station
    Malden Center station is a major transit hub in Malden, Massachusetts, serving both MBTA Orange Line subway and commuter rail services.
  • E. Middleborough/Lakeville station
    Middleborough/Lakeville station is a Massachusetts Bay Transportation Authority commuter rail stop in southeastern Massachusetts serving as a key terminus for riders traveling between the South Shore region and Boston.
  • 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: Hamilton/Wenham station
Triple: [Hamilton, Massachusetts, servedByStation, Hamilton/Wenham station]
Generated description
Hamilton/Wenham station is a Massachusetts Bay Transportation Authority commuter rail stop on the Newburyport/Rockport Line serving the towns of Hamilton and Wenham in northeastern Massachusetts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Hamilton/Wenham station
Target entity description: Hamilton/Wenham station is a Massachusetts Bay Transportation Authority commuter rail stop on the Newburyport/Rockport Line serving the towns of Hamilton and Wenham in northeastern Massachusetts.
  • A. Framingham station
    Framingham station is a commuter rail station in Framingham, Massachusetts, serving MBTA and Amtrak trains on the Worcester Line west of Boston.
  • B. 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.
  • C. Andover station
    Andover station is a commuter rail stop in Andover, Massachusetts, served by the MBTA on its route between Boston and Haverhill.
  • D. Malden Center station
    Malden Center station is a major transit hub in Malden, Massachusetts, serving both MBTA Orange Line subway and commuter rail services.
  • E. Middleborough/Lakeville station
    Middleborough/Lakeville station is a Massachusetts Bay Transportation Authority commuter rail stop in southeastern Massachusetts serving as a key terminus for riders traveling between the South Shore region and Boston.
  • 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_69ca828c474c8190a254d6499871eaff completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cb39fef2e48190a6282c217c33c57a completed March 31, 2026, 3:05 a.m.
NED1 Entity disambiguation (via context triple) batch_69cbdfc1b05481908af081f54bb1914d completed March 31, 2026, 2:52 p.m.
NEDg Description generation batch_69cbe436e20481908b297cd94eafbeec completed March 31, 2026, 3:11 p.m.
NED2 Entity disambiguation (via description) batch_69cc0c32aac081909cdd0d69cacdd27f completed March 31, 2026, 6:02 p.m.
Created at: March 30, 2026, 5 p.m.