Triple

T21915146

Position	Surface form	Disambiguated ID	Type / Status
Subject	Elgin Street, Ottawa	`E541164`	entity
Predicate	hasLandmark	`P105`	FINISHED
Object	Ottawa Police Service Headquarters (historic location) The Ottawa Police Service Headquarters (historic location) is a former central police administrative building in downtown Ottawa that once served as the main hub for the city's law enforcement operations.	`E1507682`	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: Ottawa Police Service Headquarters (historic location) | Statement: [Elgin Street, Ottawa, hasLandmark, Ottawa Police Service Headquarters (historic location)]

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

Target entity: Ottawa Police Service Headquarters (historic location)
Context triple: [Elgin Street, Ottawa, hasLandmark, Ottawa Police Service Headquarters (historic location)]

A. National Defence Headquarters, Ottawa
National Defence Headquarters in Ottawa is the central command and administrative hub for Canada’s military, including the Royal Canadian Air Force.
B. Laurier House, Ottawa
Laurier House, Ottawa is a historic residence and National Historic Site that served as the home of two Canadian prime ministers, including William Lyon Mackenzie King.
C. J. S. Woodsworth Building, Ottawa
The J. S. Woodsworth Building in Ottawa is a federal government office building named in honor of Canadian social reformer and politician James Shaver Woodsworth.
D. Downtown Ottawa Historic District
Downtown Ottawa Historic District is a preserved central business area in Ottawa, Kansas, known for its historic architecture and role in the city’s commercial and civic life.
E. Ottawa Downtown Commercial Historic District
The Ottawa Downtown Commercial Historic District is a preserved historic core of Ottawa, Illinois, featuring notable 19th- and early 20th-century commercial architecture that reflects the city’s development as a regional trade center.
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: Ottawa Police Service Headquarters (historic location)
Triple: [Elgin Street, Ottawa, hasLandmark, Ottawa Police Service Headquarters (historic location)]

Generated description

The Ottawa Police Service Headquarters (historic location) is a former central police administrative building in downtown Ottawa that once served as the main hub for the city's law enforcement operations.

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

Target entity: Ottawa Police Service Headquarters (historic location)
Target entity description: The Ottawa Police Service Headquarters (historic location) is a former central police administrative building in downtown Ottawa that once served as the main hub for the city's law enforcement operations.

A. National Defence Headquarters, Ottawa
National Defence Headquarters in Ottawa is the central command and administrative hub for Canada’s military, including the Royal Canadian Air Force.
B. Laurier House, Ottawa
Laurier House, Ottawa is a historic residence and National Historic Site that served as the home of two Canadian prime ministers, including William Lyon Mackenzie King.
C. J. S. Woodsworth Building, Ottawa
The J. S. Woodsworth Building in Ottawa is a federal government office building named in honor of Canadian social reformer and politician James Shaver Woodsworth.
D. Downtown Ottawa Historic District
Downtown Ottawa Historic District is a preserved central business area in Ottawa, Kansas, known for its historic architecture and role in the city’s commercial and civic life.
E. Ottawa Downtown Commercial Historic District
The Ottawa Downtown Commercial Historic District is a preserved historic core of Ottawa, Illinois, featuring notable 19th- and early 20th-century commercial architecture that reflects the city’s development as a regional trade center.
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_69e0c47c4b9c8190a5586a75f5f36453`	completed	April 16, 2026, 11:14 a.m.
NER	Named-entity recognition	`batch_69f123366cb88190a42aa741e1245fd9`	completed	April 28, 2026, 9:14 p.m.
NED1	Entity disambiguation (via context triple)	`batch_6a0a5a1186fc819094873c6f5aa613c5`	completed	May 18, 2026, 12:15 a.m.
NEDg	Description generation	`batch_6a0a5ad393c88190b92efec68c0b9846`	completed	May 18, 2026, 12:18 a.m.
NED2	Entity disambiguation (via description)	`batch_6a0a5b7724188190bcdf44436cd8da26`	completed	May 18, 2026, 12:21 a.m.

Created at: April 16, 2026, 7:42 p.m.