Triple

T11486903

Position	Surface form	Disambiguated ID	Type / Status
Subject	Ellicott City	`E272302`	entity
Predicate	hasLandmark	`P105`	FINISHED
Object	Ellicott City Historic District Ellicott City Historic District is a preserved historic area in Ellicott City, Maryland, known for its 18th- and 19th-century architecture, mill town heritage, and charming Main Street.	`E928794`	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: Ellicott City Historic District | Statement: [Ellicott City, hasLandmark, Ellicott City Historic District]

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

Target entity: Ellicott City Historic District
Context triple: [Ellicott City, hasLandmark, Ellicott City Historic District]

A. Hyattsville Historic District
Hyattsville Historic District is a nationally recognized residential and commercial area in Hyattsville, Maryland, noted for its late-19th- and early-20th-century architecture and historic small-town character just outside Washington, D.C.
B. Catonsville Historic District
Catonsville Historic District is a designated historic area in Catonsville, Maryland, known for its well-preserved 19th- and early 20th-century residential and commercial architecture.
C. Gaithersburg Historic District
Gaithersburg Historic District is a preserved area in Gaithersburg, Maryland, known for its collection of historic buildings and streetscapes that reflect the city’s 19th- and early 20th-century development.
D. Rockville Historic District
Rockville Historic District is a preserved area in Rockville, Maryland, known for its concentration of historically significant buildings and architecture reflecting the city’s development over time.
E. Takoma Park Historic District
Takoma Park Historic District is a designated historic area in Takoma Park, Maryland, known for its late-19th- and early-20th-century residential architecture and early streetcar-suburb character.
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: Ellicott City Historic District
Triple: [Ellicott City, hasLandmark, Ellicott City Historic District]

Generated description

Ellicott City Historic District is a preserved historic area in Ellicott City, Maryland, known for its 18th- and 19th-century architecture, mill town heritage, and charming Main Street.

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

Target entity: Ellicott City Historic District
Target entity description: Ellicott City Historic District is a preserved historic area in Ellicott City, Maryland, known for its 18th- and 19th-century architecture, mill town heritage, and charming Main Street.

A. Hyattsville Historic District
Hyattsville Historic District is a nationally recognized residential and commercial area in Hyattsville, Maryland, noted for its late-19th- and early-20th-century architecture and historic small-town character just outside Washington, D.C.
B. Catonsville Historic District
Catonsville Historic District is a designated historic area in Catonsville, Maryland, known for its well-preserved 19th- and early 20th-century residential and commercial architecture.
C. Gaithersburg Historic District
Gaithersburg Historic District is a preserved area in Gaithersburg, Maryland, known for its collection of historic buildings and streetscapes that reflect the city’s 19th- and early 20th-century development.
D. Rockville Historic District
Rockville Historic District is a preserved area in Rockville, Maryland, known for its concentration of historically significant buildings and architecture reflecting the city’s development over time.
E. Takoma Park Historic District
Takoma Park Historic District is a designated historic area in Takoma Park, Maryland, known for its late-19th- and early-20th-century residential architecture and early streetcar-suburb character.
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_69d6aae1b09881909ce2ded3fa0c14fa`	completed	April 8, 2026, 7:22 p.m.
NER	Named-entity recognition	`batch_69d85a1fc9688190aacc2eed64229b79`	completed	April 10, 2026, 2:02 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69e6046076d0819087766bf905825217`	completed	April 20, 2026, 10:48 a.m.
NEDg	Description generation	`batch_69e610a5ea0481908169c58dc0831b76`	completed	April 20, 2026, 11:40 a.m.
NED2	Entity disambiguation (via description)	`batch_69e6182b06f88190ab36d976ac989019`	completed	April 20, 2026, 12:12 p.m.

Created at: April 8, 2026, 9:36 p.m.