Triple

T806416
Position Surface form Disambiguated ID Type / Status
Subject Route 128 (Massachusetts) in Lexington, Massachusetts E17444 entity
Predicate isSegmentOf P35 FINISHED
Object Boston beltway system
The Boston beltway system is a network of highways encircling the Boston metropolitan area that facilitates regional traffic flow and suburban connectivity.
E95781 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 beltway system | Statement: [Route 128 (Massachusetts) in Lexington, Massachusetts, isSegmentOf, Boston beltway system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Boston beltway system
Context triple: [Route 128 (Massachusetts) in Lexington, Massachusetts, isSegmentOf, Boston beltway system]
  • A. Greater Boston parkway system
    The Greater Boston parkway system is a network of scenic, historically planned roadways and parkways around Boston designed to connect urban areas with parks, beaches, and natural landscapes.
  • B. Dulles Corridor
    Dulles Corridor is a major high-technology and business hub in Northern Virginia that stretches along the Dulles Toll Road and connects the Washington, D.C. suburbs to Washington Dulles International Airport.
  • C. Minuteman Bikeway
    Minuteman Bikeway is a popular multi-use rail trail in Massachusetts that follows a historic railroad corridor through several suburban communities northwest of Boston.
  • D. Dulles Greenway
    Dulles Greenway is a privately owned toll road in Northern Virginia that connects Washington Dulles International Airport with communities in Loudoun County.
  • E. Atlanta BeltLine
    The Atlanta BeltLine is a major urban redevelopment project transforming a former railway corridor into a network of multi-use trails, parks, and transit encircling Atlanta’s core neighborhoods.
  • 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 beltway system
Triple: [Route 128 (Massachusetts) in Lexington, Massachusetts, isSegmentOf, Boston beltway system]
Generated description
The Boston beltway system is a network of highways encircling the Boston metropolitan area that facilitates regional traffic flow and suburban connectivity.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Boston beltway system
Target entity description: The Boston beltway system is a network of highways encircling the Boston metropolitan area that facilitates regional traffic flow and suburban connectivity.
  • A. Greater Boston parkway system
    The Greater Boston parkway system is a network of scenic, historically planned roadways and parkways around Boston designed to connect urban areas with parks, beaches, and natural landscapes.
  • B. Dulles Corridor
    Dulles Corridor is a major high-technology and business hub in Northern Virginia that stretches along the Dulles Toll Road and connects the Washington, D.C. suburbs to Washington Dulles International Airport.
  • C. Minuteman Bikeway
    Minuteman Bikeway is a popular multi-use rail trail in Massachusetts that follows a historic railroad corridor through several suburban communities northwest of Boston.
  • D. Dulles Greenway
    Dulles Greenway is a privately owned toll road in Northern Virginia that connects Washington Dulles International Airport with communities in Loudoun County.
  • E. Atlanta BeltLine
    The Atlanta BeltLine is a major urban redevelopment project transforming a former railway corridor into a network of multi-use trails, parks, and transit encircling Atlanta’s core neighborhoods.
  • 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_69a4937ae8a08190b5084a03d532b30e completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4aac1142881908f6f78bfdb887930 completed March 1, 2026, 9:08 p.m.
NED1 Entity disambiguation (via context triple) batch_69a68927ba948190999fd1459dd62cca completed March 3, 2026, 7:09 a.m.
NEDg Description generation batch_69a6dcb16cf4819084f28de3328a0073 completed March 3, 2026, 1:05 p.m.
NED2 Entity disambiguation (via description) batch_69a75e9333e48190914827eb0267abd0 completed March 3, 2026, 10:20 p.m.
Created at: March 1, 2026, 7:38 p.m.