Triple
T22543177
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Polgolla Dam |
E557347
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Mahaweli Authority of Sri Lanka |
—
|
NE NERFINISHED |
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: Mahaweli Authority of Sri Lanka | Statement: [Polgolla Dam, operator, Mahaweli Authority of Sri Lanka]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mahaweli Authority of Sri Lanka Context triple: [Polgolla Dam, operator, Mahaweli Authority of Sri Lanka]
-
A.
Ministry of Irrigation of Sri Lanka
The Ministry of Irrigation of Sri Lanka is the government body responsible for national water resources management, including major irrigation, river basin development, and large-scale agricultural and hydropower projects.
-
B.
Ceylon Electricity Board
The Ceylon Electricity Board is Sri Lanka’s state-owned utility responsible for electricity generation, transmission, and distribution across the country.
-
C.
Sri Lanka Ports Authority
The Sri Lanka Ports Authority is the state-owned agency responsible for managing and developing Sri Lanka’s major commercial seaports and related maritime infrastructure.
-
D.
Central Environmental Authority of Sri Lanka
The Central Environmental Authority of Sri Lanka is the country’s primary government agency responsible for environmental protection, regulation, and policy implementation.
-
E.
Road Development Authority of Sri Lanka
The Road Development Authority of Sri Lanka is the government agency responsible for planning, constructing, and maintaining the country’s national highways and major road infrastructure.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mahaweli Authority of Sri Lanka Target entity description: The Mahaweli Authority of Sri Lanka is a government agency responsible for managing the Mahaweli River development program, including large-scale irrigation, hydropower generation, and associated regional development projects.
-
A.
Ministry of Irrigation of Sri Lanka
The Ministry of Irrigation of Sri Lanka is the government body responsible for national water resources management, including major irrigation, river basin development, and large-scale agricultural and hydropower projects.
-
B.
Ceylon Electricity Board
The Ceylon Electricity Board is Sri Lanka’s state-owned utility responsible for electricity generation, transmission, and distribution across the country.
-
C.
Sri Lanka Ports Authority
The Sri Lanka Ports Authority is the state-owned agency responsible for managing and developing Sri Lanka’s major commercial seaports and related maritime infrastructure.
-
D.
Central Environmental Authority of Sri Lanka
The Central Environmental Authority of Sri Lanka is the country’s primary government agency responsible for environmental protection, regulation, and policy implementation.
-
E.
Road Development Authority of Sri Lanka
The Road Development Authority of Sri Lanka is the government agency responsible for planning, constructing, and maintaining the country’s national highways and major road infrastructure.
- F. None of above. chosen
Provenance (2 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_69e11e58662081909ae346ab384514ca |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f15f33c9cc819086d098f36e4121dc |
completed | April 29, 2026, 1:30 a.m. |
Created at: April 16, 2026, 8:51 p.m.