Triple

T7077359
Position Surface form Disambiguated ID Type / Status
Subject Framingham/Worcester Line E164852 entity
Predicate usesRailwayLine P15040 FINISHED
Object Worcester Main Line
The Worcester Main Line is a major rail corridor in Massachusetts that carries both commuter and freight trains between Boston and Worcester.
E164852 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: Worcester Main Line | Statement: [Framingham/Worcester Line, usesRailwayLine, Worcester Main Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Worcester Main Line
Context triple: [Framingham/Worcester Line, usesRailwayLine, Worcester Main Line]
  • A. Hereford–Worcester line
    The Hereford–Worcester line is a railway route in England connecting the cities of Hereford and Worcester and serving intermediate towns in the region.
  • B. Framingham/Worcester Line
    The Framingham/Worcester Line is a Massachusetts Bay Transportation Authority commuter rail route connecting Boston with the western suburbs and the city of Worcester.
  • C. Haverhill Line
    The Haverhill Line is a Massachusetts Bay Transportation Authority commuter rail route running between Boston and the city of Haverhill, serving communities in the Merrimack Valley.
  • D. West Anglia Main Line
    The West Anglia Main Line is a major railway route in eastern England that connects London with Cambridge and other destinations in the East of England.
  • E. Cambridge–Ely line
    The Cambridge–Ely line is a railway route in Cambridgeshire, England, connecting the city of Cambridge with the cathedral city of Ely and forming part of the region’s key passenger and freight network.
  • 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: Worcester Main Line
Triple: [Framingham/Worcester Line, usesRailwayLine, Worcester Main Line]
Generated description
The Worcester Main Line is a major rail corridor in Massachusetts that carries both commuter and freight trains between Boston and Worcester.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Worcester Main Line
Target entity description: The Worcester Main Line is a major rail corridor in Massachusetts that carries both commuter and freight trains between Boston and Worcester.
  • A. Hereford–Worcester line
    The Hereford–Worcester line is a railway route in England connecting the cities of Hereford and Worcester and serving intermediate towns in the region.
  • B. Framingham/Worcester Line chosen
    The Framingham/Worcester Line is a Massachusetts Bay Transportation Authority commuter rail route connecting Boston with the western suburbs and the city of Worcester.
  • C. Haverhill Line
    The Haverhill Line is a Massachusetts Bay Transportation Authority commuter rail route running between Boston and the city of Haverhill, serving communities in the Merrimack Valley.
  • D. West Anglia Main Line
    The West Anglia Main Line is a major railway route in eastern England that connects London with Cambridge and other destinations in the East of England.
  • E. Cambridge–Ely line
    The Cambridge–Ely line is a railway route in Cambridgeshire, England, connecting the city of Cambridge with the cathedral city of Ely and forming part of the region’s key passenger and freight network.
  • F. None of above.

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_69c6887cbc6c8190bdfac42d940f4d8a completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e4ee29288190a9a3fa7a6c713d8f completed March 27, 2026, 8:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7946dbf048190a6307fefeb1dd6a9 completed March 28, 2026, 8:42 a.m.
NEDg Description generation batch_69c7955aefdc8190ab38d93097502ec1 completed March 28, 2026, 8:46 a.m.
NED2 Entity disambiguation (via description) batch_69c795beba2c8190983f871c42f9b72e completed March 28, 2026, 8:47 a.m.
Created at: March 27, 2026, 2:40 p.m.