Triple

T26026222

Position	Surface form	Disambiguated ID	Type / Status
Subject	Roosevelt Avenue–74th Street	`E647297`	entity
Predicate	connectsSubwayDivisions	`P178001`	FINISHED
Object	IRT and IND IRT and IND were two original, separate New York City subway systems—the Interborough Rapid Transit Company and the Independent Subway System—that later became part of the unified MTA network.	`E63229`	NE FINISHED

How this triple was built (3 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: IRT and IND | Statement: [Roosevelt Avenue–74th Street, connectsSubwayDivisions, IRT and IND]

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: IRT and IND
Triple: [Roosevelt Avenue–74th Street, connectsSubwayDivisions, IRT and IND]

Generated description

IRT and IND were two original, separate New York City subway systems—the Interborough Rapid Transit Company and the Independent Subway System—that later became part of the unified MTA network.

PD Predicate disambiguation gpt-5-mini-2025-08-07

Target predicate: connectsSubwayDivisions
Context triple: [Roosevelt Avenue–74th Street, connectsSubwayDivisions, IRT and IND]

A. subwayLine
Indicates that there is a subway line connection or service relationship between the referenced entities.
B. subwayStation
Indicates that one entity is a subway station associated with, located in, or serving the other entity.
C. subwayServices
Indicates that one entity provides or operates subway transportation services for another entity or area.
D. urbanRailway
Indicates a relationship where a railway system operates within or primarily serves an urban or metropolitan area.
E. urbanRailHubFor
Indicates that a location functions as a central node or interchange point within an urban rail network for a given area or set of lines.
F. None of above. chosen

Provenance (7 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_69e77e8b60e88190a3b26c4f0032a2c2`	completed	April 21, 2026, 1:41 p.m.
NER	Named-entity recognition	`batch_69f707f7959881908f037f0d6b1d0c36`	completed	May 3, 2026, 8:31 a.m.
NED1	Entity disambiguation (via context triple)	`batch_6a1107acf5588190a11e1f6813873521`	completed	May 23, 2026, 1:49 a.m.
NEDg	Description generation	`batch_6a1109e1defc8190a85540e99e759fe6`	completed	May 23, 2026, 1:58 a.m.
NED2	Entity disambiguation (via description)	`batch_6a110c49d91c81909e87ee2d13c98ec2`	completed	May 23, 2026, 2:09 a.m.
PD	Predicate disambiguation	`batch_69f700fc274c8190a128593dc7c7abd0`	completed	May 3, 2026, 8:02 a.m.
PDg	Predicate description generation	`batch_69f707f380388190954b79d52a321921`	completed	May 3, 2026, 8:31 a.m.

Created at: April 22, 2026, 9:05 a.m.