Triple

T23237934
Position Surface form Disambiguated ID Type / Status
Subject Mahaweli Ganga E581353 entity
Predicate hasTributary P415 FINISHED
Object Uma Oya
Uma Oya is a river in Sri Lanka that flows through the central highlands and contributes to the country’s major Mahaweli river system.
 E1578987 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: Uma Oya | Statement: [Mahaweli Ganga, hasTributary, Uma Oya]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Uma Oya
Context triple: [Mahaweli Ganga, hasTributary, Uma Oya]
  • A. Otaru
    Otaru is a historic port city in northern Japan known for its picturesque canal, preserved Meiji- and Taishō-era architecture, and fresh seafood.
  • B. Yozora
    Yozora is a prominent music producer recognized for shaping the sound and energy of New York’s drill scene.
  • C. Akabira
    Akabira is a small city in central Hokkaido, Japan, historically known as a coal-mining town.
  • D. Gajajima
    Gajajima is a small, remote island that forms part of Japan’s Tokara Islands chain in the East China Sea.
  • E. Ominato
    Ominato is a Japanese naval base town in Aomori Prefecture known for hosting a major Maritime Self-Defense Force garrison.
  • 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: Uma Oya
Triple: [Mahaweli Ganga, hasTributary, Uma Oya]
Generated description
Uma Oya is a river in Sri Lanka that flows through the central highlands and contributes to the country’s major Mahaweli river system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Uma Oya
Target entity description: Uma Oya is a river in Sri Lanka that flows through the central highlands and contributes to the country’s major Mahaweli river system.
  • A. Otaru
    Otaru is a historic port city in northern Japan known for its picturesque canal, preserved Meiji- and Taishō-era architecture, and fresh seafood.
  • B. Yozora
    Yozora is a prominent music producer recognized for shaping the sound and energy of New York’s drill scene.
  • C. Akabira
    Akabira is a small city in central Hokkaido, Japan, historically known as a coal-mining town.
  • D. Gajajima
    Gajajima is a small, remote island that forms part of Japan’s Tokara Islands chain in the East China Sea.
  • E. Ominato
    Ominato is a Japanese naval base town in Aomori Prefecture known for hosting a major Maritime Self-Defense Force garrison.
  • 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_69e2460556f88190be1744a84a84173f completed April 17, 2026, 2:39 p.m.
NER Named-entity recognition batch_69f192ea590c81908cd677d89f67d49f completed April 29, 2026, 5:11 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c3f5ea49c8190bca74c1c21e1a85b completed May 19, 2026, 10:45 a.m.
NEDg Description generation batch_6a0c4028b44c8190bde6e2c76b5f1587 completed May 19, 2026, 10:49 a.m.
NED2 Entity disambiguation (via description) batch_6a0c4367753c8190a4f6dbf2afd12b76 completed May 19, 2026, 11:03 a.m.
Created at: April 17, 2026, 4:09 p.m.