Triple
T3111579
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mettur Dam |
E64962
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Tamil Nadu Public Works Department |
E236542
|
NE FINISHED |
How this triple was built (2 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: Tamil Nadu Public Works Department | Statement: [Mettur Dam, operator, Tamil Nadu Public Works Department]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tamil Nadu Public Works Department Context triple: [Mettur Dam, operator, Tamil Nadu Public Works Department]
-
A.
Tamil Nadu Public Works Department
chosen
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.
-
B.
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.
-
C.
Tamil Nadu Housing and Urban Development Department
The Tamil Nadu Housing and Urban Development Department is the state government department responsible for planning, regulating, and promoting housing and urban infrastructure development across Tamil Nadu.
-
D.
Tamil Nadu Transport Department
Tamil Nadu Transport Department is the state government agency responsible for regulating, managing, and overseeing road transport and related services in Tamil Nadu, India.
-
E.
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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ad857eeaf48190b34ebfdaa7a264cf |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69ada43954f0819096a96331bf3c53a8 |
completed | March 8, 2026, 4:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b20394a8cc8190b114760079f8b0f6 |
completed | March 12, 2026, 12:06 a.m. |
Created at: March 8, 2026, 3:04 p.m.