Triple

T11604265
Position Surface form Disambiguated ID Type / Status
Subject Periyar River E275212 entity
Predicate hasTributary P415 FINISHED
Object Cheruthoni River
Cheruthoni River is a significant tributary in Kerala, India, known for feeding the Idukki Reservoir and hosting the Cheruthoni Dam, one of the key hydroelectric projects in the region.
E936938 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: Cheruthoni River | Statement: [Periyar River, hasTributary, Cheruthoni River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Cheruthoni River
Context triple: [Periyar River, hasTributary, Cheruthoni River]
  • A. Muvattupuzha River
    The Muvattupuzha River is a major river in the Indian state of Kerala, formed by the confluence of three mountain streams and flowing through the Ernakulam district before emptying into the backwaters.
  • B. Puzhakkal River
    Puzhakkal River is a small west-flowing river in Kerala, India, that runs through the Thrissur region before draining into the Arabian Sea.
  • C. Muthirapuzha River
    The Muthirapuzha River is a major tributary of the Periyar River flowing through the hill station region of Munnar in Kerala, India, and is known for its scenic landscapes and role in local ecology and hydropower.
  • D. Meenachil River
    Meenachil River is a river in the Indian state of Kerala that flows through the Kottayam district and empties into the Vembanad Lake.
  • E. Cheyyeru River
    The Cheyyeru River is a river in the Indian state of Andhra Pradesh known for joining the Penna River and supporting irrigation and agriculture in the region.
  • 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: Cheruthoni River
Triple: [Periyar River, hasTributary, Cheruthoni River]
Generated description
Cheruthoni River is a significant tributary in Kerala, India, known for feeding the Idukki Reservoir and hosting the Cheruthoni Dam, one of the key hydroelectric projects in the region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Cheruthoni River
Target entity description: Cheruthoni River is a significant tributary in Kerala, India, known for feeding the Idukki Reservoir and hosting the Cheruthoni Dam, one of the key hydroelectric projects in the region.
  • A. Muvattupuzha River
    The Muvattupuzha River is a major river in the Indian state of Kerala, formed by the confluence of three mountain streams and flowing through the Ernakulam district before emptying into the backwaters.
  • B. Puzhakkal River
    Puzhakkal River is a small west-flowing river in Kerala, India, that runs through the Thrissur region before draining into the Arabian Sea.
  • C. Muthirapuzha River
    The Muthirapuzha River is a major tributary of the Periyar River flowing through the hill station region of Munnar in Kerala, India, and is known for its scenic landscapes and role in local ecology and hydropower.
  • D. Meenachil River
    Meenachil River is a river in the Indian state of Kerala that flows through the Kottayam district and empties into the Vembanad Lake.
  • E. Cheyyeru River
    The Cheyyeru River is a river in the Indian state of Andhra Pradesh known for joining the Penna River and supporting irrigation and agriculture in the region.
  • 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_69d6aaf84b548190ac072e4fb89ae18f completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d895502e0081909ee9c3d45d26cd91 completed April 10, 2026, 6:14 a.m.
NED1 Entity disambiguation (via context triple) batch_69ee87077d008190874a8339b64dd5ec completed April 26, 2026, 9:43 p.m.
NEDg Description generation batch_69ee9cf1cb2481908bc473c87bc42d60 completed April 26, 2026, 11:17 p.m.
NED2 Entity disambiguation (via description) batch_69eecd31894481908dbd55f605c693f9 completed April 27, 2026, 2:42 a.m.
Created at: April 8, 2026, 9:38 p.m.