Triple

T12024462

Position	Surface form	Disambiguated ID	Type / Status
Subject	Old Colony Railroad	`E286238`	entity
Predicate	connectedTo	`P37`	FINISHED
Object	Boston and Providence Railroad The Boston and Providence Railroad was a 19th-century rail line that provided one of the earliest and most important rail connections between Boston, Massachusetts, and Providence, Rhode Island.	`E959723`	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 and Providence Railroad | Statement: [Old Colony Railroad, connectedTo, Boston and Providence Railroad]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Boston and Providence Railroad
Context triple: [Old Colony Railroad, connectedTo, Boston and Providence Railroad]

A. Providence and Worcester Railroad
Providence and Worcester Railroad is a regional freight railroad operating in southern New England, primarily serving industrial and commercial customers in Rhode Island, Massachusetts, Connecticut, and New York.
B. Boston and Worcester Railroad
The Boston and Worcester Railroad was one of the early 19th-century rail lines in Massachusetts that connected Boston with the inland city of Worcester, helping spur regional industrial and suburban development.
C. New England Central Railroad
New England Central Railroad is a regional freight railroad operating primarily in New England, providing vital rail connections between local industries and the broader North American rail network.
D. Boston and Lowell Railroad
The Boston and Lowell Railroad was a 19th-century New England railway company that operated a key line between Boston and Lowell, Massachusetts, and later became part of larger regional rail systems.
E. Old Colony Railroad
Old Colony Railroad was a prominent 19th-century New England railroad company that operated extensive passenger and freight services primarily in southeastern Massachusetts and Rhode Island.
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 and Providence Railroad
Triple: [Old Colony Railroad, connectedTo, Boston and Providence Railroad]

Generated description

The Boston and Providence Railroad was a 19th-century rail line that provided one of the earliest and most important rail connections between Boston, Massachusetts, and Providence, Rhode Island.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Boston and Providence Railroad
Target entity description: The Boston and Providence Railroad was a 19th-century rail line that provided one of the earliest and most important rail connections between Boston, Massachusetts, and Providence, Rhode Island.

A. Providence and Worcester Railroad
Providence and Worcester Railroad is a regional freight railroad operating in southern New England, primarily serving industrial and commercial customers in Rhode Island, Massachusetts, Connecticut, and New York.
B. Boston and Worcester Railroad
The Boston and Worcester Railroad was one of the early 19th-century rail lines in Massachusetts that connected Boston with the inland city of Worcester, helping spur regional industrial and suburban development.
C. New England Central Railroad
New England Central Railroad is a regional freight railroad operating primarily in New England, providing vital rail connections between local industries and the broader North American rail network.
D. Boston and Lowell Railroad
The Boston and Lowell Railroad was a 19th-century New England railway company that operated a key line between Boston and Lowell, Massachusetts, and later became part of larger regional rail systems.
E. Old Colony Railroad
Old Colony Railroad was a prominent 19th-century New England railroad company that operated extensive passenger and freight services primarily in southeastern Massachusetts and Rhode Island.
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_69d6ab4669e48190b59246358b0383ab`	completed	April 8, 2026, 7:23 p.m.
NER	Named-entity recognition	`batch_69d903ee4f9081909e5a58ecbd830b14`	completed	April 10, 2026, 2:06 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69f48b71e5c48190a58ace8ef7c8928d`	completed	May 1, 2026, 11:16 a.m.
NEDg	Description generation	`batch_69f48fc7a8848190a06b34cc45db4789`	completed	May 1, 2026, 11:34 a.m.
NED2	Entity disambiguation (via description)	`batch_69f495f069c48190a6e5856c272420c0`	completed	May 1, 2026, noon

Created at: April 8, 2026, 9:47 p.m.