Triple

T5288122

Position	Surface form	Disambiguated ID	Type / Status
Subject	North Central Railway zone	`E119673`	entity
Predicate	importantCityServed	`P3936`	FINISHED
Object	Prayagraj	`E29812`	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: Prayagraj | Statement: [North Central Railway zone, importantCityServed, Prayagraj]

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

Target entity: Prayagraj
Context triple: [North Central Railway zone, importantCityServed, Prayagraj]

A. Kanpur
Kanpur is a major industrial city in the northern Indian state of Uttar Pradesh, historically significant as a key site of conflict during the Indian Rebellion of 1857.
B. Allahabad chosen
Allahabad, officially known as Prayagraj, is a major city in the Indian state of Uttar Pradesh, historically significant as a political and cultural center and as a prominent site of the Kumbh Mela at the confluence of the Ganges, Yamuna, and mythical Saraswati rivers.
C. Lucknow
Lucknow is the capital city of the Indian state of Uttar Pradesh, renowned for its rich cultural heritage, refined Urdu literature, Awadhi cuisine, and elegant Mughal and colonial-era architecture.
D. Aligarh
Aligarh is a prominent city in northern India known for its lock industry and as the home of Aligarh Muslim University.
E. Barabanki
Barabanki is a town and district headquarters in the Indian state of Uttar Pradesh, known for its agricultural economy and proximity to the state capital, Lucknow.
F. None of above.
G. Unsure - the case is ambiguous/there is not enough information to decide.

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

Target predicate: importantCityServed
Context triple: [North Central Railway zone, importantCityServed, Prayagraj]

A. cityServedType
Indicates the type or category of city that is served by a given entity (such as a facility, service, or infrastructure).
B. cityServedRegion
Indicates that a city provides services to, or functions as an administrative or economic center for, a specified region.
C. servedCity chosen
Indicates that a service, route, or facility operates in, reaches, or is available to a particular city.
D. servesAsFocusCityFor
Indicates that a city functions as a primary or designated focus city for an airline, organization, or transportation network, typically hosting significant but not hub-level operations or activities.
E. majorReceivingCity
Indicates that one city serves as a primary destination or hub for receiving people, goods, or resources from another location.
F. None of above.

Provenance (4 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_69bd446de5648190b313a90bd96730d2`	completed	March 20, 2026, 12:58 p.m.
NER	Named-entity recognition	`batch_69bd8682d18c8190bbb35cc75c8a7c12`	completed	March 20, 2026, 5:40 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69bf7fd0a2c48190ba0c2e3259c3691f`	completed	March 22, 2026, 5:36 a.m.
PD	Predicate disambiguation	`batch_69bd844dfdac819086efedd1cbebff84`	completed	March 20, 2026, 5:30 p.m.

Created at: March 20, 2026, 1:52 p.m.