Triple

T4677909
Position Surface form Disambiguated ID Type / Status
Subject Central Province of Sri Lanka E103725 entity
Predicate hasLandmark P105 FINISHED
Object Victoria Reservoir
Victoria Reservoir is a major hydroelectric and irrigation reservoir in central Sri Lanka, created by the Victoria Dam on the Mahaweli River.
E477945 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: Victoria Reservoir | Statement: [Central Province of Sri Lanka, hasLandmark, Victoria Reservoir]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Victoria Reservoir
Context triple: [Central Province of Sri Lanka, hasLandmark, Victoria Reservoir]
  • A. Watergrove Reservoir
    Watergrove Reservoir is a man-made lake in Greater Manchester, England, known for supplying water to the region and for the remains of the submerged village of Watergrove visible at low water levels.
  • B. Union Reservoir
    Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
  • C. Kentmere Reservoir
    Kentmere Reservoir is an upland man-made lake in the Kentmere Valley of England’s Lake District, used primarily for water supply and situated in the headwaters of the River Kent.
  • D. Stanley Reservoir
    Stanley Reservoir is a large artificial lake in Tamil Nadu, India, created on the Kaveri River and known for its role in irrigation, hydroelectric power generation, and water supply.
  • E. Goodwin Reservoir
    Goodwin Reservoir is a man-made water storage lake on the Stanislaus River in California, used primarily for irrigation, water supply, and recreation.
  • 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: Victoria Reservoir
Triple: [Central Province of Sri Lanka, hasLandmark, Victoria Reservoir]
Generated description
Victoria Reservoir is a major hydroelectric and irrigation reservoir in central Sri Lanka, created by the Victoria Dam on the Mahaweli River.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Victoria Reservoir
Target entity description: Victoria Reservoir is a major hydroelectric and irrigation reservoir in central Sri Lanka, created by the Victoria Dam on the Mahaweli River.
  • A. Watergrove Reservoir
    Watergrove Reservoir is a man-made lake in Greater Manchester, England, known for supplying water to the region and for the remains of the submerged village of Watergrove visible at low water levels.
  • B. Union Reservoir
    Union Reservoir is a popular recreational lake near Longmont, Colorado, known for activities such as boating, fishing, swimming, and picnicking.
  • C. Kentmere Reservoir
    Kentmere Reservoir is an upland man-made lake in the Kentmere Valley of England’s Lake District, used primarily for water supply and situated in the headwaters of the River Kent.
  • D. Stanley Reservoir
    Stanley Reservoir is a large artificial lake in Tamil Nadu, India, created on the Kaveri River and known for its role in irrigation, hydroelectric power generation, and water supply.
  • E. Goodwin Reservoir
    Goodwin Reservoir is a man-made water storage lake on the Stanislaus River in California, used primarily for irrigation, water supply, and recreation.
  • 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_69bd43dda32c8190938b37744ca270fc completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd63698a548190831863adddd32f31 completed March 20, 2026, 3:10 p.m.
NED1 Entity disambiguation (via context triple) batch_69be6f8f61b08190ad8913c633369c50 completed March 21, 2026, 10:14 a.m.
NEDg Description generation batch_69be704a6d4c8190889d906817dc88a8 completed March 21, 2026, 10:17 a.m.
NED2 Entity disambiguation (via description) batch_69be70bcc4e88190b7d8846991d26452 completed March 21, 2026, 10:19 a.m.
Created at: March 20, 2026, 1:16 p.m.