Triple

T820941
Position Surface form Disambiguated ID Type / Status
Subject MBTA Commuter Rail Newburyport/Rockport Line E17744 entity
Predicate terminus P388 FINISHED
Object Newburyport
Newburyport is a historic coastal city in northeastern Massachusetts known for its maritime heritage, preserved downtown, and role as a commuter hub to Boston.
E353306 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: Newburyport | Statement: [MBTA Commuter Rail Newburyport/Rockport Line, terminus, Newburyport]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Newburyport
Context triple: [MBTA Commuter Rail Newburyport/Rockport Line, terminus, Newburyport]
  • A. Hyannis
    Hyannis is a major village and commercial hub in the town of Barnstable on Cape Cod, Massachusetts, known for its busy harbor, beaches, and ferry connections to the islands of Martha’s Vineyard and Nantucket.
  • B. Norfolk, Massachusetts
    Norfolk, Massachusetts is a small suburban town in eastern Massachusetts known for its residential character, commuter access to Boston, and local conservation areas.
  • C. Swampscott
    Swampscott is a coastal town in northeastern Massachusetts known for its residential character and seaside location north of Boston.
  • D. Danvers, Massachusetts
    Danvers, Massachusetts is a historic New England town north of Boston, best known as the former Salem Village associated with the 1692 Salem witch trials.
  • E. Cape Ann
    Cape Ann is a rocky peninsula on the northeastern coast of Massachusetts known for its historic fishing communities, maritime heritage, and scenic New England coastline.
  • 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: Newburyport
Triple: [MBTA Commuter Rail Newburyport/Rockport Line, terminus, Newburyport]
Generated description
Newburyport is a historic coastal city in northeastern Massachusetts known for its maritime heritage, preserved downtown, and role as a commuter hub to Boston.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Newburyport
Target entity description: Newburyport is a historic coastal city in northeastern Massachusetts known for its maritime heritage, preserved downtown, and role as a commuter hub to Boston.
  • A. Hyannis
    Hyannis is a major village and commercial hub in the town of Barnstable on Cape Cod, Massachusetts, known for its busy harbor, beaches, and ferry connections to the islands of Martha’s Vineyard and Nantucket.
  • B. Norfolk, Massachusetts
    Norfolk, Massachusetts is a small suburban town in eastern Massachusetts known for its residential character, commuter access to Boston, and local conservation areas.
  • C. Swampscott
    Swampscott is a coastal town in northeastern Massachusetts known for its residential character and seaside location north of Boston.
  • D. Danvers, Massachusetts
    Danvers, Massachusetts is a historic New England town north of Boston, best known as the former Salem Village associated with the 1692 Salem witch trials.
  • E. Cape Ann
    Cape Ann is a rocky peninsula on the northeastern coast of Massachusetts known for its historic fishing communities, maritime heritage, and scenic New England coastline.
  • 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_69a4937bcaac8190a322524ac6f45a5a completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4ab7aea38819092a0860ec6e2a033 completed March 1, 2026, 9:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69b333e6ccac8190904693dd8a632802 completed March 12, 2026, 9:45 p.m.
NEDg Description generation batch_69b337d7daf081909e5112f49a2aa2f2 completed March 12, 2026, 10:02 p.m.
NED2 Entity disambiguation (via description) batch_69b338eb22e4819094e9344aa5decb18 completed March 12, 2026, 10:06 p.m.
Created at: March 1, 2026, 7:38 p.m.