Triple

T14069289

Position	Surface form	Disambiguated ID	Type / Status
Subject	Southwest Corridor	`E338558`	entity
Predicate	partOf	`P40`	FINISHED
Object	Boston transportation network The Boston transportation network is an integrated system of subway, commuter rail, bus, and roadway infrastructure that connects neighborhoods within Boston and links the city to the greater New England region.	`E1078055`	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 transportation network | Statement: [Southwest Corridor, partOf, Boston transportation network]

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

Target entity: Boston transportation network
Context triple: [Southwest Corridor, partOf, Boston transportation network]

A. Seattle transportation network
The Seattle transportation network is an integrated system of buses, light rail, commuter rail, streetcars, ferries, and roadways that connects neighborhoods within Seattle and links the city to the broader Puget Sound region.
B. Boston subway
The Boston subway, officially known as the MBTA or "the T," is one of the oldest public transit systems in the United States, serving the Greater Boston area with an extensive network of underground and surface rail lines.
C. MBTA bus network
The MBTA bus network is the system of public bus routes serving Cambridge and the greater Boston area as part of the Massachusetts Bay Transportation Authority’s regional transit services.
D. Philadelphia commuter rail network
The Philadelphia commuter rail network is a regional passenger rail system serving the greater Philadelphia area, primarily operated by SEPTA and connecting the city with its surrounding suburbs.
E. Boston Transportation Department
The Boston Transportation Department is the municipal agency responsible for planning, managing, and regulating the city of Boston’s transportation systems, streets, and traffic operations.
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 transportation network
Triple: [Southwest Corridor, partOf, Boston transportation network]

Generated description

The Boston transportation network is an integrated system of subway, commuter rail, bus, and roadway infrastructure that connects neighborhoods within Boston and links the city to the greater New England region.

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

Target entity: Boston transportation network
Target entity description: The Boston transportation network is an integrated system of subway, commuter rail, bus, and roadway infrastructure that connects neighborhoods within Boston and links the city to the greater New England region.

A. Seattle transportation network
The Seattle transportation network is an integrated system of buses, light rail, commuter rail, streetcars, ferries, and roadways that connects neighborhoods within Seattle and links the city to the broader Puget Sound region.
B. Boston subway
The Boston subway, officially known as the MBTA or "the T," is one of the oldest public transit systems in the United States, serving the Greater Boston area with an extensive network of underground and surface rail lines.
C. MBTA bus network
The MBTA bus network is the system of public bus routes serving Cambridge and the greater Boston area as part of the Massachusetts Bay Transportation Authority’s regional transit services.
D. Philadelphia commuter rail network
The Philadelphia commuter rail network is a regional passenger rail system serving the greater Philadelphia area, primarily operated by SEPTA and connecting the city with its surrounding suburbs.
E. Boston Transportation Department
The Boston Transportation Department is the municipal agency responsible for planning, managing, and regulating the city of Boston’s transportation systems, streets, and traffic operations.
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_69d81c67ba6c819091935650dfb3b895`	completed	April 9, 2026, 9:38 p.m.
NER	Named-entity recognition	`batch_69de568d0404819087e0fe37c72162cb`	completed	April 14, 2026, 3 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69fcb66cfe2c8190af8354316d4f4df9`	completed	May 7, 2026, 3:57 p.m.
NEDg	Description generation	`batch_69fcc5c893dc81908538136e0f9170ca`	completed	May 7, 2026, 5:03 p.m.
NED2	Entity disambiguation (via description)	`batch_69fcc64ac93c8190ad40a04c74f70e18`	completed	May 7, 2026, 5:05 p.m.

Created at: April 9, 2026, 10:21 p.m.