Triple

T13157717
Position Surface form Disambiguated ID Type / Status
Subject Exeter station E312633 entity
Predicate serves P98 FINISHED
Object Boston, Massachusetts (via Downeaster)
Boston, Massachusetts (via Downeaster) refers to the city of Boston as a destination on Amtrak’s Downeaster passenger rail line connecting it with communities in New Hampshire and Maine.
E1024547 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: Boston, Massachusetts (via Downeaster) | Statement: [Exeter station, serves, Boston, Massachusetts (via Downeaster)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Boston, Massachusetts (via Downeaster)
Context triple: [Exeter station, serves, Boston, Massachusetts (via Downeaster)]
  • A. 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.
  • B. Southampton, Massachusetts
    Southampton, Massachusetts is a small New England town in western Massachusetts known for its rural character and location within Hampshire County.
  • C. Newburyport, Massachusetts, United States
    Newburyport, Massachusetts, United States is a historic coastal city and former shipbuilding center at the mouth of the Merrimack River in northeastern Massachusetts.
  • D. Yarmouth, Maine
    Yarmouth, Maine is a coastal New England town north of Portland known for its historic village center, annual Clam Festival, and scenic location along the Royal River.
  • E. Halifax, Massachusetts
    Halifax, Massachusetts is a small New England town known for its rural character, ponds and cranberry bogs, and location in southeastern 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: Boston, Massachusetts (via Downeaster)
Triple: [Exeter station, serves, Boston, Massachusetts (via Downeaster)]
Generated description
Boston, Massachusetts (via Downeaster) refers to the city of Boston as a destination on Amtrak’s Downeaster passenger rail line connecting it with communities in New Hampshire and Maine.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Boston, Massachusetts (via Downeaster)
Target entity description: Boston, Massachusetts (via Downeaster) refers to the city of Boston as a destination on Amtrak’s Downeaster passenger rail line connecting it with communities in New Hampshire and Maine.
  • A. 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.
  • B. Southampton, Massachusetts
    Southampton, Massachusetts is a small New England town in western Massachusetts known for its rural character and location within Hampshire County.
  • C. Newburyport, Massachusetts, United States
    Newburyport, Massachusetts, United States is a historic coastal city and former shipbuilding center at the mouth of the Merrimack River in northeastern Massachusetts.
  • D. Yarmouth, Maine
    Yarmouth, Maine is a coastal New England town north of Portland known for its historic village center, annual Clam Festival, and scenic location along the Royal River.
  • E. Halifax, Massachusetts
    Halifax, Massachusetts is a small New England town known for its rural character, ponds and cranberry bogs, and location in southeastern 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_69d806aabde48190899e13e41659cae5 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d98c084028819093bc4e94d53b4f17 completed April 10, 2026, 11:47 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6eaf06f408190949f9ed5e899815b completed May 3, 2026, 6:28 a.m.
NEDg Description generation batch_69f6f07d52788190a39bc4fe049bcf5e completed May 3, 2026, 6:51 a.m.
NED2 Entity disambiguation (via description) batch_69f6f0d6eb2c81908463125a922edc9c completed May 3, 2026, 6:53 a.m.
Created at: April 9, 2026, 9:12 p.m.