Triple

T17608477

Position	Surface form	Disambiguated ID	Type / Status
Subject	CTA Route 201 Central/Ridge	`E428899`	entity
Predicate	primaryStreetsServed	`P46518`	FINISHED
Object	Central Street Central Street is a major thoroughfare in Evanston, Illinois, serving as a key east–west corridor for local traffic and public transit.	`E1636492`	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: Central Street | Statement: [CTA Route 201 Central/Ridge, primaryStreetsServed, Central Street]

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: Central Street
Triple: [CTA Route 201 Central/Ridge, primaryStreetsServed, Central Street]

Generated description

Central Street is a major thoroughfare in Evanston, Illinois, serving as a key east–west corridor for local traffic and public transit.

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

Target predicate: primaryStreetsServed
Context triple: [CTA Route 201 Central/Ridge, primaryStreetsServed, Central Street]

A. roadServed
Indicates that a road is provided with necessary services or infrastructure support by a responsible entity.
B. primaryCorridorServed chosen
Indicates that a corridor is the main route or pathway served by a given service, facility, or entity.
C. roadNetworkServedBy
Indicates that a particular road network is provided, maintained, or operated by a specified service, organization, or infrastructure system.
D. isPrimarySurfaceStreetIn
Indicates that a street serves as a main or primary surface-level roadway within a specified area or jurisdiction.
E. hasNumberOfStreets
Indicates the relationship that specifies how many streets are associated with or contained within a given entity.
F. None of above.

Provenance (6 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_69d889e1c6148190ba76241e74688f8b`	completed	April 10, 2026, 5:25 a.m.
NER	Named-entity recognition	`batch_69e46c4d8374819097cb112fba405e77`	completed	April 19, 2026, 5:46 a.m.
NED1	Entity disambiguation (via context triple)	`batch_6a0fe3285c288190a1b9ab26c5bd4e75`	completed	May 22, 2026, 5:01 a.m.
NEDg	Description generation	`batch_6a0fe4904b988190baba9eec573140bd`	completed	May 22, 2026, 5:07 a.m.
NED2	Entity disambiguation (via description)	`batch_6a0fe523e5648190bde36809c67adb54`	completed	May 22, 2026, 5:09 a.m.
PD	Predicate disambiguation	`batch_69e3cdd7da34819099bc9481c5a79bab`	completed	April 18, 2026, 6:30 p.m.

Created at: April 10, 2026, 5:51 a.m.