Triple

T145773

Position	Surface form	Disambiguated ID	Type / Status
Subject	Alewife station	`E3325`	entity
Predicate	servesNeighborhood	`P82`	FINISHED
Object	North Cambridge	`E13710`	NE FINISHED

How this triple was built (3 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: North Cambridge | Statement: [Alewife station, servesNeighborhood, North Cambridge]

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

Target entity: North Cambridge
Context triple: [Alewife station, servesNeighborhood, North Cambridge]

A. North Cambridge chosen
North Cambridge is a residential neighborhood in the northern part of Cambridge, Massachusetts, known for its diverse community, local businesses, and access to public transit.
B. West Cambridge
West Cambridge is a primarily residential neighborhood in the western part of Cambridge, Massachusetts, known for its historic homes, tree-lined streets, and proximity to the Charles River.
C. East Cambridge
East Cambridge is a neighborhood in Cambridge, Massachusetts, known for its mix of historic residential areas, courthouse and government buildings, and rapidly developing tech and commercial spaces near the Charles River.
D. Riverside (Cambridge)
Riverside (Cambridge) is a primarily residential neighborhood along the Charles River in Cambridge, Massachusetts, known for its proximity to Harvard University and mix of historic homes and student housing.
E. Newton Centre
Newton Centre is a village and major commercial hub within the city of Newton, Massachusetts, known for its shops, restaurants, and proximity to local schools and transit.
F. None of above.
G. Unsure - the case is ambiguous/there is not enough information to decide.

PD Predicate disambiguation gpt-5-mini-2025-08-07

Target predicate: servesNeighborhood
Context triple: [Alewife station, servesNeighborhood, North Cambridge]

A. hasNeighbourhood
Indicates that one entity is located within, or is associated with, a particular neighborhood area of another entity.
B. areaServed chosen
Indicates the geographic region or jurisdiction within which a service, organization, or activity is provided or applicable.
C. sectorServed
Indicates the industry or economic sector that an entity primarily serves or targets with its activities, products, or services.
D. neighborhood
Indicates that one entity is located in close spatial proximity to another, typically within the same local area or district.
E. hasNearbyCommunity
Indicates that one entity has another community located close to it in geographic or spatial terms.
F. None of above.

Provenance (4 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_69a252868de4819080e21c9938bfe8b6`	completed	Feb. 28, 2026, 2:27 a.m.
NER	Named-entity recognition	`batch_69a257ea7eac8190884a53453a9e0dd6`	completed	Feb. 28, 2026, 2:50 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69a35e9fb768819087282451ec8051b0`	completed	Feb. 28, 2026, 9:31 p.m.
PD	Predicate disambiguation	`batch_69a25656a4fc81908a87678ac3d28f93`	completed	Feb. 28, 2026, 2:43 a.m.

Created at: Feb. 28, 2026, 2:31 a.m.