Triple

T4819108

Position	Surface form	Disambiguated ID	Type / Status
Subject	Alfred B. Mullett	`E107664`	entity
Predicate	notableWork	`P4`	FINISHED
Object	U.S. Post Office and Courthouse (St. Louis, Missouri) The U.S. Post Office and Courthouse in St. Louis, Missouri, is a historic 19th-century federal building known for its grand Second Empire architectural style and its role as a major government and judicial center.	`E471896`	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: U.S. Post Office and Courthouse (St. Louis, Missouri) | Statement: [Alfred B. Mullett, notableWork, U.S. Post Office and Courthouse (St. Louis, Missouri)]

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

Target entity: U.S. Post Office and Courthouse (St. Louis, Missouri)
Context triple: [Alfred B. Mullett, notableWork, U.S. Post Office and Courthouse (St. Louis, Missouri)]

A. St. Louis city courthouse
St. Louis city courthouse was the municipal judicial center of St. Louis, Missouri, historically associated with significant legal and civic proceedings.
B. St. Louis county courthouse
St. Louis County Courthouse is a historic judicial building in downtown St. Louis, Missouri, notable for its 19th-century architecture and role in landmark legal cases such as the Dred Scott decision.
C. St. Louis City Hall
St. Louis City Hall is the historic municipal government building of St. Louis, Missouri, known for its ornate French Renaissance Revival architecture and central role in the city’s civic administration.
D. Lewis F. Powell Jr. United States Courthouse
The Lewis F. Powell Jr. United States Courthouse is a historic federal courthouse in Richmond, Virginia, named after Supreme Court Justice Lewis F. Powell Jr.
E. Roman L. Hruska Federal Courthouse
The Roman L. Hruska Federal Courthouse is a federal judicial building in Omaha, Nebraska, that houses the operations of the U.S. District Court and related federal legal services.
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: U.S. Post Office and Courthouse (St. Louis, Missouri)
Triple: [Alfred B. Mullett, notableWork, U.S. Post Office and Courthouse (St. Louis, Missouri)]

Generated description

The U.S. Post Office and Courthouse in St. Louis, Missouri, is a historic 19th-century federal building known for its grand Second Empire architectural style and its role as a major government and judicial center.

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

Target entity: U.S. Post Office and Courthouse (St. Louis, Missouri)
Target entity description: The U.S. Post Office and Courthouse in St. Louis, Missouri, is a historic 19th-century federal building known for its grand Second Empire architectural style and its role as a major government and judicial center.

A. St. Louis city courthouse
St. Louis city courthouse was the municipal judicial center of St. Louis, Missouri, historically associated with significant legal and civic proceedings.
B. St. Louis county courthouse
St. Louis County Courthouse is a historic judicial building in downtown St. Louis, Missouri, notable for its 19th-century architecture and role in landmark legal cases such as the Dred Scott decision.
C. St. Louis City Hall
St. Louis City Hall is the historic municipal government building of St. Louis, Missouri, known for its ornate French Renaissance Revival architecture and central role in the city’s civic administration.
D. Lewis F. Powell Jr. United States Courthouse
The Lewis F. Powell Jr. United States Courthouse is a historic federal courthouse in Richmond, Virginia, named after Supreme Court Justice Lewis F. Powell Jr.
E. Roman L. Hruska Federal Courthouse
The Roman L. Hruska Federal Courthouse is a federal judicial building in Omaha, Nebraska, that houses the operations of the U.S. District Court and related federal legal services.
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_69bd43f9efa081908314cb3e94fa1695`	completed	March 20, 2026, 12:56 p.m.
NER	Named-entity recognition	`batch_69bd6c96f4dc81909e3186159b5c75ab`	completed	March 20, 2026, 3:49 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69be4dbbfe588190bae0aca210bea2bc`	completed	March 21, 2026, 7:50 a.m.
NEDg	Description generation	`batch_69be4f6ceb60819080dc1ee93950a7f0`	completed	March 21, 2026, 7:57 a.m.
NED2	Entity disambiguation (via description)	`batch_69be4fbc83188190af2c9767aa9272a7`	completed	March 21, 2026, 7:58 a.m.

Created at: March 20, 2026, 1:24 p.m.