Triple

T15400188
Position Surface form Disambiguated ID Type / Status
Subject Tiruvallur district E368292 entity
Predicate hasReservoir P1025 FINISHED
Object Puzhal lake
Puzhal lake is a major freshwater reservoir near Chennai in Tamil Nadu, India, serving as one of the city’s primary sources of drinking water.
E1156041 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: Puzhal lake | Statement: [Tiruvallur district, hasReservoir, Puzhal lake]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Puzhal lake
Context triple: [Tiruvallur district, hasReservoir, Puzhal lake]
  • A. Periyar Lake
    Periyar Lake is an artificial reservoir in Kerala, India, renowned for its scenic wildlife boat safaris and as a key habitat for elephants and other fauna within Periyar National Park.
  • B. Kodaikanal Lake
    Kodaikanal Lake is a man-made, star-shaped lake in the hill station of Kodaikanal in Tamil Nadu, India, popular for boating and scenic views.
  • C. Gudnapur Lake
    Gudnapur Lake is a scenic freshwater lake near Banavasi in Karnataka, India, known for its tranquil surroundings and local religious and cultural significance.
  • D. Gandipet Lake
    Gandipet Lake is a man-made reservoir on the Musi River near Hyderabad, India, known for supplying drinking water to the city and serving as a popular recreational spot.
  • E. Ooty Lake
    Ooty Lake is a scenic artificial lake in the hill station of Ooty, Tamil Nadu, popular for boating and surrounded by picturesque eucalyptus trees and rolling hills.
  • 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: Puzhal lake
Triple: [Tiruvallur district, hasReservoir, Puzhal lake]
Generated description
Puzhal lake is a major freshwater reservoir near Chennai in Tamil Nadu, India, serving as one of the city’s primary sources of drinking water.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Puzhal lake
Target entity description: Puzhal lake is a major freshwater reservoir near Chennai in Tamil Nadu, India, serving as one of the city’s primary sources of drinking water.
  • A. Periyar Lake
    Periyar Lake is an artificial reservoir in Kerala, India, renowned for its scenic wildlife boat safaris and as a key habitat for elephants and other fauna within Periyar National Park.
  • B. Kodaikanal Lake
    Kodaikanal Lake is a man-made, star-shaped lake in the hill station of Kodaikanal in Tamil Nadu, India, popular for boating and scenic views.
  • C. Gudnapur Lake
    Gudnapur Lake is a scenic freshwater lake near Banavasi in Karnataka, India, known for its tranquil surroundings and local religious and cultural significance.
  • D. Gandipet Lake
    Gandipet Lake is a man-made reservoir on the Musi River near Hyderabad, India, known for supplying drinking water to the city and serving as a popular recreational spot.
  • E. Ooty Lake
    Ooty Lake is a scenic artificial lake in the hill station of Ooty, Tamil Nadu, popular for boating and surrounded by picturesque eucalyptus trees and rolling hills.
  • 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_69d85a16c68c819099c1b547fbc87b32 completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e03e8d89e08190b7cae778d89fb5e1 completed April 16, 2026, 1:42 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff1a6f76d48190ac6032c55adbc4af completed May 9, 2026, 11:28 a.m.
NEDg Description generation batch_69ff1b7559448190b58c6119916774c8 completed May 9, 2026, 11:33 a.m.
NED2 Entity disambiguation (via description) batch_69ff1bdb39b481908f0b1df595837bc4 completed May 9, 2026, 11:34 a.m.
Created at: April 10, 2026, 3:19 a.m.