Triple
T14082470
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chennai Rivers Restoration Trust |
E338900
|
entity |
| Predicate | collaboratesWith |
P37
|
FINISHED |
| Object |
Chennai Metropolitan Water Supply and Sewerage Board
The Chennai Metropolitan Water Supply and Sewerage Board is the government agency responsible for providing and managing water supply and sewage services in the Chennai metropolitan area of India.
|
E1078449
|
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 Metropolitan Water Supply and Sewerage Board | Statement: [Chennai Rivers Restoration Trust, collaboratesWith, Chennai Metropolitan Water Supply and Sewerage Board]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chennai Metropolitan Water Supply and Sewerage Board Context triple: [Chennai Rivers Restoration Trust, collaboratesWith, Chennai Metropolitan Water Supply and Sewerage Board]
-
A.
Tamil Nadu Water Supply and Drainage Board
The Tamil Nadu Water Supply and Drainage Board is a state government agency responsible for planning, developing, and managing water supply and sewerage infrastructure across Tamil Nadu, India.
-
B.
Tamil Nadu Municipal Administration and Water Supply Department
The Tamil Nadu Municipal Administration and Water Supply Department is a state government department responsible for overseeing urban local bodies and managing water supply and sanitation services across Tamil Nadu.
-
C.
Chennai Metropolitan Development Authority
The Chennai Metropolitan Development Authority is the statutory body responsible for urban planning and development regulation across the Chennai metropolitan region in Tamil Nadu, India.
-
D.
Cauvery Water Management Authority
The Cauvery Water Management Authority is a statutory body in India responsible for regulating and managing the sharing of Cauvery River waters among the riparian states.
-
E.
Bangalore Water Supply and Sewerage Board
The Bangalore Water Supply and Sewerage Board is the municipal agency responsible for providing and managing water supply and wastewater services in Bengaluru, India.
- 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 Metropolitan Water Supply and Sewerage Board Triple: [Chennai Rivers Restoration Trust, collaboratesWith, Chennai Metropolitan Water Supply and Sewerage Board]
Generated description
The Chennai Metropolitan Water Supply and Sewerage Board is the government agency responsible for providing and managing water supply and sewage services in the Chennai metropolitan area of India.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chennai Metropolitan Water Supply and Sewerage Board Target entity description: The Chennai Metropolitan Water Supply and Sewerage Board is the government agency responsible for providing and managing water supply and sewage services in the Chennai metropolitan area of India.
-
A.
Tamil Nadu Water Supply and Drainage Board
The Tamil Nadu Water Supply and Drainage Board is a state government agency responsible for planning, developing, and managing water supply and sewerage infrastructure across Tamil Nadu, India.
-
B.
Tamil Nadu Municipal Administration and Water Supply Department
The Tamil Nadu Municipal Administration and Water Supply Department is a state government department responsible for overseeing urban local bodies and managing water supply and sanitation services across Tamil Nadu.
-
C.
Chennai Metropolitan Development Authority
The Chennai Metropolitan Development Authority is the statutory body responsible for urban planning and development regulation across the Chennai metropolitan region in Tamil Nadu, India.
-
D.
Cauvery Water Management Authority
The Cauvery Water Management Authority is a statutory body in India responsible for regulating and managing the sharing of Cauvery River waters among the riparian states.
-
E.
Bangalore Water Supply and Sewerage Board
The Bangalore Water Supply and Sewerage Board is the municipal agency responsible for providing and managing water supply and wastewater services in Bengaluru, India.
- 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_69d81c687b0c819087fd9ed4198403f8 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de5ede40048190b465e909565730c1 |
completed | April 14, 2026, 3:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcb6749c3c81909833a0b6ddcae3fb |
completed | May 7, 2026, 3:57 p.m. |
| NEDg | Description generation | batch_69fcc44b8f3c8190a7dc5a98239be1a5 |
completed | May 7, 2026, 4:56 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fcc4d99f608190a6dddfda19bf0685 |
completed | May 7, 2026, 4:59 p.m. |
Created at: April 9, 2026, 10:21 p.m.