Triple

T26325571

Position	Surface form	Disambiguated ID	Type / Status
Subject	Gondwana coalfields	`E662241`	entity
Predicate	hostMajorDeposit	`P161498`	FINISHED
Object	Pench–Kanhan–Tawa coalfields The Pench–Kanhan–Tawa coalfields are a major coal-bearing region in central India, known for extensive Gondwana-age coal deposits that support significant mining and power generation activities.	`E1803828`	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: Pench–Kanhan–Tawa coalfields | Statement: [Gondwana coalfields, hostMajorDeposit, Pench–Kanhan–Tawa coalfields]

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: Pench–Kanhan–Tawa coalfields
Triple: [Gondwana coalfields, hostMajorDeposit, Pench–Kanhan–Tawa coalfields]

Generated description

The Pench–Kanhan–Tawa coalfields are a major coal-bearing region in central India, known for extensive Gondwana-age coal deposits that support significant mining and power generation activities.

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

Target predicate: hostMajorDeposit
Context triple: [Gondwana coalfields, hostMajorDeposit, Pench–Kanhan–Tawa coalfields]

A. hasMajorDepositIn
Indicates that an entity possesses a significant or primary deposit, typically of a resource or asset, located in a specified place.
B. oreDeposit chosen
Indicates the presence or occurrence of a concentrated natural accumulation of ore at or within a specified location or geological context.
C. hostsMajorityOf
Indicates that one entity accommodates, contains, or supports more than half of the members or instances of another entity.
D. hasMajor
Indicates that an entity (typically a person or student) has a specific primary field of academic study or specialization.
E. leftDeposits
Indicates that an entity has placed or left deposits (such as money or resources) with another entity or at a particular location.
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_69ee812f32748190871d970c4e2a8ddf`	completed	April 26, 2026, 9:18 p.m.
NER	Named-entity recognition	`batch_69f6352fdb788190b9bad30243690743`	completed	May 2, 2026, 5:32 p.m.
NED1	Entity disambiguation (via context triple)	`batch_6a15c8d0158881909c14d103987e178b`	completed	May 26, 2026, 4:22 p.m.
NEDg	Description generation	`batch_6a15ca0309908190b067af60dc77238a`	completed	May 26, 2026, 4:27 p.m.
NED2	Entity disambiguation (via description)	`batch_6a15caa74e9c8190ad43be1d8ed6ad15`	completed	May 26, 2026, 4:30 p.m.
PD	Predicate disambiguation	`batch_69f631850ae08190a0ba51e4f1e4ccb3`	completed	May 2, 2026, 5:16 p.m.

Created at: April 26, 2026, 10:30 p.m.