Triple

T7994986

Position	Surface form	Disambiguated ID	Type / Status
Subject	Portland Historic Landmark	`E186102`	entity
Predicate	administeredBy	`P86`	FINISHED
Object	Portland Historic Landmarks Commission The Portland Historic Landmarks Commission is a city-appointed body that identifies, designates, and oversees the preservation of historically significant buildings and sites in Portland, Oregon.	`E186102`	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: Portland Historic Landmarks Commission | Statement: [Portland Historic Landmark, administeredBy, Portland Historic Landmarks Commission]

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

Target entity: Portland Historic Landmarks Commission
Context triple: [Portland Historic Landmark, administeredBy, Portland Historic Landmarks Commission]

A. Portland Historic Landmark
The Portland Historic Landmark designation is a local preservation status granted to significant historic sites and structures in Portland, Oregon, recognizing their architectural, cultural, or historical importance and affording them certain protections.
B. Boston Landmarks Commission
The Boston Landmarks Commission is the city’s official historic preservation agency responsible for identifying, protecting, and regulating Boston’s architecturally and historically significant buildings and districts.
C. Philadelphia Historical Commission
The Philadelphia Historical Commission is the city agency responsible for identifying, protecting, and regulating Philadelphia’s historic buildings, sites, and districts.
D. Portland City Council
Portland City Council is the elected municipal legislative body responsible for setting policy, passing ordinances, and overseeing city governance in Portland, Maine.
E. Portland City Council
The Portland City Council is the elected legislative and policy-making body that oversees municipal governance and services for the city of Portland, Oregon.
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: Portland Historic Landmarks Commission
Triple: [Portland Historic Landmark, administeredBy, Portland Historic Landmarks Commission]

Generated description

The Portland Historic Landmarks Commission is a city-appointed body that identifies, designates, and oversees the preservation of historically significant buildings and sites in Portland, Oregon.

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

Target entity: Portland Historic Landmarks Commission
Target entity description: The Portland Historic Landmarks Commission is a city-appointed body that identifies, designates, and oversees the preservation of historically significant buildings and sites in Portland, Oregon.

A. Portland Historic Landmark chosen
The Portland Historic Landmark designation is a local preservation status granted to significant historic sites and structures in Portland, Oregon, recognizing their architectural, cultural, or historical importance and affording them certain protections.
B. Boston Landmarks Commission
The Boston Landmarks Commission is the city’s official historic preservation agency responsible for identifying, protecting, and regulating Boston’s architecturally and historically significant buildings and districts.
C. Philadelphia Historical Commission
The Philadelphia Historical Commission is the city agency responsible for identifying, protecting, and regulating Philadelphia’s historic buildings, sites, and districts.
D. Portland City Council
Portland City Council is the elected municipal legislative body responsible for setting policy, passing ordinances, and overseeing city governance in Portland, Maine.
E. Portland City Council
The Portland City Council is the elected legislative and policy-making body that oversees municipal governance and services for the city of Portland, Oregon.
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_69ca829c6c308190ab05b43d234c52b2`	completed	March 30, 2026, 2:03 p.m.
NER	Named-entity recognition	`batch_69cb3c7547dc8190a60a06b3d61764b0`	completed	March 31, 2026, 3:16 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69cbe105d400819096ba271416bb24e7`	completed	March 31, 2026, 2:58 p.m.
NEDg	Description generation	`batch_69cbe440a66c8190a5d5b417fb5082b7`	completed	March 31, 2026, 3:12 p.m.
NED2	Entity disambiguation (via description)	`batch_69cc338a1c48819086ece073e04e8fa6`	completed	March 31, 2026, 8:50 p.m.

Created at: March 30, 2026, 5:17 p.m.