Triple

T13157736
Position Surface form Disambiguated ID Type / Status
Subject Exeter station E312633 entity
Predicate servedAsStopOnRoute P91813 FINISHED
Object Downeaster route between Boston, Massachusetts and Maine
The Downeaster route between Boston, Massachusetts and Maine is an Amtrak passenger rail service connecting Boston with several cities in southern and coastal Maine via New Hampshire.
E1024548 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: Downeaster route between Boston, Massachusetts and Maine | Statement: [Exeter station, servedAsStopOnRoute, Downeaster route between Boston, Massachusetts and Maine]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Downeaster route between Boston, Massachusetts and Maine
Context triple: [Exeter station, servedAsStopOnRoute, Downeaster route between Boston, Massachusetts and Maine]
  • A. Boston–Maine rail network
    The Boston–Maine rail network was a regional railroad system in New England that connected major cities and towns, notably linking Boston with communities throughout Maine and neighboring states.
  • B. U.S. Numbered Route 3 corridor between Boston and New Hampshire
    The U.S. Numbered Route 3 corridor between Boston and New Hampshire is a major north–south transportation route in northeastern Massachusetts that links the Boston metropolitan area with southern New Hampshire, serving as a key commuter and regional travel artery.
  • C. Massachusetts Route
    A Massachusetts Route is a numbered state highway within the Commonwealth of Massachusetts that forms part of the state's primary road network.
  • D. New England highway network
    The New England highway network is the interconnected system of major roads and interstates that links cities and towns across the New England region of the northeastern United States.
  • E. New Hampshire–Boston corridor
    The New Hampshire–Boston corridor is a heavily traveled regional route linking communities in New Hampshire with the Greater Boston metropolitan area, serving as a key commuter and intercity travel axis in New England.
  • 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: Downeaster route between Boston, Massachusetts and Maine
Triple: [Exeter station, servedAsStopOnRoute, Downeaster route between Boston, Massachusetts and Maine]
Generated description
The Downeaster route between Boston, Massachusetts and Maine is an Amtrak passenger rail service connecting Boston with several cities in southern and coastal Maine via New Hampshire.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Downeaster route between Boston, Massachusetts and Maine
Target entity description: The Downeaster route between Boston, Massachusetts and Maine is an Amtrak passenger rail service connecting Boston with several cities in southern and coastal Maine via New Hampshire.
  • A. Boston–Maine rail network
    The Boston–Maine rail network was a regional railroad system in New England that connected major cities and towns, notably linking Boston with communities throughout Maine and neighboring states.
  • B. U.S. Numbered Route 3 corridor between Boston and New Hampshire
    The U.S. Numbered Route 3 corridor between Boston and New Hampshire is a major north–south transportation route in northeastern Massachusetts that links the Boston metropolitan area with southern New Hampshire, serving as a key commuter and regional travel artery.
  • C. Massachusetts Route
    A Massachusetts Route is a numbered state highway within the Commonwealth of Massachusetts that forms part of the state's primary road network.
  • D. New England highway network
    The New England highway network is the interconnected system of major roads and interstates that links cities and towns across the New England region of the northeastern United States.
  • E. New Hampshire–Boston corridor
    The New Hampshire–Boston corridor is a heavily traveled regional route linking communities in New Hampshire with the Greater Boston metropolitan area, serving as a key commuter and intercity travel axis in New England.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: servedAsStopOnRoute
Context triple: [Exeter station, servedAsStopOnRoute, Downeaster route between Boston, Massachusetts and Maine]
  • A. situatedOnTransportRoute
    Indicates that one entity is located along, on, or directly adjacent to a specified transport route (such as a road, railway, or shipping lane).
  • B. hasStopNear
    Indicates that one entity has a stop or stopping point located in close proximity to another entity.
  • C. locatedOnRouteTo
    Indicates that one entity lies along the path or course taken when traveling from a starting point to a specified destination.
  • D. operatedOnRoute
    Indicates that a transportation service or vehicle was active and provided service along a specified route.
  • E. stopsAtStation chosen
    Indicates that a vehicle or service halts at a particular station as part of its route or schedule.
  • 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_69d806aabde48190899e13e41659cae5 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d98cf054f88190b05ced98d5a22a62 completed April 10, 2026, 11:51 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.
PD Predicate disambiguation batch_69d98bbd1d088190b7c69f37fc6eeb64 completed April 10, 2026, 11:46 p.m.
Created at: April 9, 2026, 9:12 p.m.