Triple

T4130130

Position	Surface form	Disambiguated ID	Type / Status
Subject	Pittsburgh History and Landmarks Foundation Historic Landmark	`E85019`	entity
Predicate	hasInstance	`P28232`	FINISHED
Object	Mexican War Streets Historic District (PHLF Historic Landmark) The Mexican War Streets Historic District is a historic Pittsburgh neighborhood known for its well-preserved 19th-century row houses, narrow streets, and distinctive architectural character.	`E416234`	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: Mexican War Streets Historic District (PHLF Historic Landmark) | Statement: [Pittsburgh History and Landmarks Foundation Historic Landmark, hasInstance, Mexican War Streets Historic District (PHLF Historic Landmark)]

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

Target entity: Mexican War Streets Historic District (PHLF Historic Landmark)
Context triple: [Pittsburgh History and Landmarks Foundation Historic Landmark, hasInstance, Mexican War Streets Historic District (PHLF Historic Landmark)]

A. Tampico Main Street Historic District
The Tampico Main Street Historic District is a preserved commercial area in Tampico, Illinois, best known as the early hometown streetscape associated with President Ronald Reagan’s childhood.
B. Front Street historic district
The Front Street historic district is a preserved area in Cockburn Town known for its colonial-era architecture and role as the town’s traditional commercial and administrative center.
C. Joto Street historic district
Joto Street historic district is a preserved traditional streetscape in Tsuyama, Japan, known for its Edo-period architecture and historic townscape.
D. Old Mesilla Historic District
Old Mesilla Historic District is a preserved 19th-century adobe village center in southern New Mexico known for its historic plaza, traditional architecture, and role in the region’s frontier and cultural history.
E. Starr Historic District
Starr Historic District is a nationally recognized historic neighborhood in Richmond, Indiana, noted for its well-preserved 19th- and early 20th-century residential 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: Mexican War Streets Historic District (PHLF Historic Landmark)
Triple: [Pittsburgh History and Landmarks Foundation Historic Landmark, hasInstance, Mexican War Streets Historic District (PHLF Historic Landmark)]

Generated description

The Mexican War Streets Historic District is a historic Pittsburgh neighborhood known for its well-preserved 19th-century row houses, narrow streets, and distinctive architectural character.

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

Target entity: Mexican War Streets Historic District (PHLF Historic Landmark)
Target entity description: The Mexican War Streets Historic District is a historic Pittsburgh neighborhood known for its well-preserved 19th-century row houses, narrow streets, and distinctive architectural character.

A. Tampico Main Street Historic District
The Tampico Main Street Historic District is a preserved commercial area in Tampico, Illinois, best known as the early hometown streetscape associated with President Ronald Reagan’s childhood.
B. Front Street historic district
The Front Street historic district is a preserved area in Cockburn Town known for its colonial-era architecture and role as the town’s traditional commercial and administrative center.
C. Joto Street historic district
Joto Street historic district is a preserved traditional streetscape in Tsuyama, Japan, known for its Edo-period architecture and historic townscape.
D. Old Mesilla Historic District
Old Mesilla Historic District is a preserved 19th-century adobe village center in southern New Mexico known for its historic plaza, traditional architecture, and role in the region’s frontier and cultural history.
E. Starr Historic District
Starr Historic District is a nationally recognized historic neighborhood in Richmond, Indiana, noted for its well-preserved 19th- and early 20th-century residential 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_69aed935ccd881909dc61f81bcdb7a78`	completed	March 9, 2026, 2:29 p.m.
NER	Named-entity recognition	`batch_69af0b2c76fc8190b3cd9facfcd6e427`	completed	March 9, 2026, 6:02 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69b576bf503c8190be44139a908ee42d`	completed	March 14, 2026, 2:54 p.m.
NEDg	Description generation	`batch_69b577ac31888190b6182b00bd5c709f`	completed	March 14, 2026, 2:58 p.m.
NED2	Entity disambiguation (via description)	`batch_69b57839ee548190804ef306fc9b3a6e`	completed	March 14, 2026, 3:01 p.m.

Created at: March 9, 2026, 3:42 p.m.