Triple

T3228955

Position	Surface form	Disambiguated ID	Type / Status
Subject	Adyar River	`E67689`	entity
Predicate	administrativeBodyInvolved	`P46300`	FINISHED
Object	Chennai Rivers Restoration Trust The Chennai Rivers Restoration Trust is a government-backed organization focused on the ecological restoration, pollution control, and sustainable management of Chennai’s urban waterways.	`E338900`	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: Chennai Rivers Restoration Trust | Statement: [Adyar River, administrativeBodyInvolved, Chennai Rivers Restoration Trust]

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

Target entity: Chennai Rivers Restoration Trust
Context triple: [Adyar River, administrativeBodyInvolved, Chennai Rivers Restoration Trust]

A. Tamil Nadu Water Resources Department
The Tamil Nadu Water Resources Department is the state government agency responsible for managing, developing, and regulating water resources, including irrigation and flood control, across Tamil Nadu.
B. National Ganga Council
The National Ganga Council is a high-level Indian government body chaired by the Prime Minister that oversees policy, planning, and coordination for the conservation and rejuvenation of the Ganga River and its basin.
C. Tamil Nadu Public Works Department
The Tamil Nadu Public Works Department is the state government agency responsible for planning, constructing, and maintaining public infrastructure such as buildings, roads, and irrigation systems in Tamil Nadu, India.
D. Narmada Control Authority
The Narmada Control Authority is a statutory body in India responsible for coordinating and regulating the planning, construction, and operation of inter-state projects on the Narmada River, including major dams and related infrastructure.
E. Adyar
Adyar is a prominent neighborhood in Chennai, Tamil Nadu, known as an educational and residential hub that hosts major institutions and research centers.
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: Chennai Rivers Restoration Trust
Triple: [Adyar River, administrativeBodyInvolved, Chennai Rivers Restoration Trust]

Generated description

The Chennai Rivers Restoration Trust is a government-backed organization focused on the ecological restoration, pollution control, and sustainable management of Chennai’s urban waterways.

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

Target entity: Chennai Rivers Restoration Trust
Target entity description: The Chennai Rivers Restoration Trust is a government-backed organization focused on the ecological restoration, pollution control, and sustainable management of Chennai’s urban waterways.

A. Tamil Nadu Water Resources Department
The Tamil Nadu Water Resources Department is the state government agency responsible for managing, developing, and regulating water resources, including irrigation and flood control, across Tamil Nadu.
B. National Ganga Council
The National Ganga Council is a high-level Indian government body chaired by the Prime Minister that oversees policy, planning, and coordination for the conservation and rejuvenation of the Ganga River and its basin.
C. Tamil Nadu Public Works Department
The Tamil Nadu Public Works Department is the state government agency responsible for planning, constructing, and maintaining public infrastructure such as buildings, roads, and irrigation systems in Tamil Nadu, India.
D. Narmada Control Authority
The Narmada Control Authority is a statutory body in India responsible for coordinating and regulating the planning, construction, and operation of inter-state projects on the Narmada River, including major dams and related infrastructure.
E. Adyar
Adyar is a prominent neighborhood in Chennai, Tamil Nadu, known as an educational and residential hub that hosts major institutions and research centers.
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_69ad858c61888190a31196310d9b30b5`	completed	March 8, 2026, 2:19 p.m.
NER	Named-entity recognition	`batch_69adaeb6f8588190a33a9d6c779e8992`	completed	March 8, 2026, 5:15 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69b262675b588190bcff98e7fa3a0c77`	completed	March 12, 2026, 6:51 a.m.
NEDg	Description generation	`batch_69b264c6022c81908b3235e88a7ed27f`	completed	March 12, 2026, 7:01 a.m.
NED2	Entity disambiguation (via description)	`batch_69b268bd0d3c8190a60dda0a9086c0cc`	completed	March 12, 2026, 7:18 a.m.

Created at: March 8, 2026, 3:08 p.m.