Triple

T324845

Position	Surface form	Disambiguated ID	Type / Status
Subject	September 11 attacks	`E6490`	entity
Predicate	locationOfImpact	`P6772`	FINISHED
Object	South Tower of the World Trade Center The South Tower of the World Trade Center was one of the twin skyscrapers in Lower Manhattan, New York City, that collapsed after being struck during the September 11, 2001 terrorist attacks.	`E43265`	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: South Tower of the World Trade Center | Statement: [September 11 attacks, locationOfImpact, South Tower of the World Trade Center]

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

Target entity: South Tower of the World Trade Center
Context triple: [September 11 attacks, locationOfImpact, South Tower of the World Trade Center]

A. North Tower of the World Trade Center
The North Tower of the World Trade Center was one of the original Twin Towers in Lower Manhattan, New York City, and a defining symbol of the city’s skyline until its destruction in the September 11, 2001 terrorist attacks.
B. One World Trade Center
One World Trade Center is the main skyscraper of the rebuilt World Trade Center complex in Lower Manhattan and the tallest building in the United States.
C. World Trade Center (reconstructed complex)
The World Trade Center (reconstructed complex) is the redeveloped commercial and memorial site in Lower Manhattan that replaces the original Twin Towers, featuring modern skyscrapers, a transportation hub, and the 9/11 Memorial & Museum.
D. Empire State Building
The Empire State Building is an iconic 102-story Art Deco skyscraper in Midtown Manhattan that was once the world’s tallest building and remains a symbol of New York City.
E. Trump World Tower
Trump World Tower is a luxury residential skyscraper in Midtown Manhattan, New York City, known for its dark glass façade, high-end condominiums, and association with Donald Trump’s real estate brand.
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: South Tower of the World Trade Center
Triple: [September 11 attacks, locationOfImpact, South Tower of the World Trade Center]

Generated description

The South Tower of the World Trade Center was one of the twin skyscrapers in Lower Manhattan, New York City, that collapsed after being struck during the September 11, 2001 terrorist attacks.

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

Target entity: South Tower of the World Trade Center
Target entity description: The South Tower of the World Trade Center was one of the twin skyscrapers in Lower Manhattan, New York City, that collapsed after being struck during the September 11, 2001 terrorist attacks.

A. North Tower of the World Trade Center
The North Tower of the World Trade Center was one of the original Twin Towers in Lower Manhattan, New York City, and a defining symbol of the city’s skyline until its destruction in the September 11, 2001 terrorist attacks.
B. One World Trade Center
One World Trade Center is the main skyscraper of the rebuilt World Trade Center complex in Lower Manhattan and the tallest building in the United States.
C. World Trade Center (reconstructed complex)
The World Trade Center (reconstructed complex) is the redeveloped commercial and memorial site in Lower Manhattan that replaces the original Twin Towers, featuring modern skyscrapers, a transportation hub, and the 9/11 Memorial & Museum.
D. Empire State Building
The Empire State Building is an iconic 102-story Art Deco skyscraper in Midtown Manhattan that was once the world’s tallest building and remains a symbol of New York City.
E. Trump World Tower
Trump World Tower is a luxury residential skyscraper in Midtown Manhattan, New York City, known for its dark glass façade, high-end condominiums, and association with Donald Trump’s real estate brand.
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_69a2e7933d6c8190bb2592ad13286ef2`	completed	Feb. 28, 2026, 1:03 p.m.
NER	Named-entity recognition	`batch_69a2ee028c488190ad0109510de2956d`	completed	Feb. 28, 2026, 1:30 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69a3d4e03a608190820e3bef93158a15`	completed	March 1, 2026, 5:55 a.m.
NEDg	Description generation	`batch_69a3d5629d508190ad4be1959a52adfc`	completed	March 1, 2026, 5:57 a.m.
NED2	Entity disambiguation (via description)	`batch_69a3d5f14ef08190ac47267967ca7047`	completed	March 1, 2026, 6 a.m.

Created at: Feb. 28, 2026, 1:08 p.m.