Triple

T2463967

Position	Surface form	Disambiguated ID	Type / Status
Subject	Riverdale Park, Maryland	`E55199`	entity
Predicate	hasHistoricDistrict	`P295`	FINISHED
Object	Riverdale Park Historic District Riverdale Park Historic District is a designated historic neighborhood in Riverdale Park, Maryland, known for its early suburban residential architecture and community planning from the late 19th and early 20th centuries.	`E268162`	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: Riverdale Park Historic District | Statement: [Riverdale Park, Maryland, hasHistoricDistrict, Riverdale Park Historic District]

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

Target entity: Riverdale Park Historic District
Context triple: [Riverdale Park, Maryland, hasHistoricDistrict, Riverdale Park Historic District]

A. Rosedale Historic District
Rosedale Historic District is a historically significant residential neighborhood in Homewood, Alabama, known for its early-20th-century architecture and long-standing African American community heritage.
B. Elm Street Historic District
Elm Street Historic District is a historically significant neighborhood in Northampton, Massachusetts, known for its well-preserved 19th- and early 20th-century architecture and streetscape.
C. Robbins Park Historic District
Robbins Park Historic District is a residential neighborhood in Hinsdale, Illinois, noted for its historic homes and early suburban architectural character.
D. Heritage Hill Historic District
Heritage Hill Historic District is a historic residential neighborhood in Burlington, Iowa, known for its well-preserved 19th-century architecture and its reflection of the city’s early prosperity along the Mississippi River.
E. Maplewood Historic District
Maplewood Historic District is a historically significant residential neighborhood in Malden, Massachusetts, known for its preserved 19th- and early 20th-century architecture.
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: Riverdale Park Historic District
Triple: [Riverdale Park, Maryland, hasHistoricDistrict, Riverdale Park Historic District]

Generated description

Riverdale Park Historic District is a designated historic neighborhood in Riverdale Park, Maryland, known for its early suburban residential architecture and community planning from the late 19th and early 20th centuries.

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

Target entity: Riverdale Park Historic District
Target entity description: Riverdale Park Historic District is a designated historic neighborhood in Riverdale Park, Maryland, known for its early suburban residential architecture and community planning from the late 19th and early 20th centuries.

A. Rosedale Historic District
Rosedale Historic District is a historically significant residential neighborhood in Homewood, Alabama, known for its early-20th-century architecture and long-standing African American community heritage.
B. Elm Street Historic District
Elm Street Historic District is a historically significant neighborhood in Northampton, Massachusetts, known for its well-preserved 19th- and early 20th-century architecture and streetscape.
C. Robbins Park Historic District
Robbins Park Historic District is a residential neighborhood in Hinsdale, Illinois, noted for its historic homes and early suburban architectural character.
D. Heritage Hill Historic District
Heritage Hill Historic District is a historic residential neighborhood in Burlington, Iowa, known for its well-preserved 19th-century architecture and its reflection of the city’s early prosperity along the Mississippi River.
E. Maplewood Historic District
Maplewood Historic District is a historically significant residential neighborhood in Malden, Massachusetts, known for its preserved 19th- and early 20th-century architecture.
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_69ab49e3622c8190ad22afa2c4fbb807`	completed	March 6, 2026, 9:40 p.m.
NER	Named-entity recognition	`batch_69abd12059788190a6493f64bb725aed`	completed	March 7, 2026, 7:17 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69aef0d6ed7481909e900f947463d5d8`	completed	March 9, 2026, 4:09 p.m.
NEDg	Description generation	`batch_69aef186935c81909301659a96e1a4e2`	completed	March 9, 2026, 4:12 p.m.
NED2	Entity disambiguation (via description)	`batch_69aef8272668819084626e890a49e1b3`	completed	March 9, 2026, 4:41 p.m.

Created at: March 6, 2026, 9:44 p.m.