Triple

T16608724
Position Surface form Disambiguated ID Type / Status
Subject Tata Group E403509 entity
Predicate keyPerson P256 FINISHED
Object Natarajan Chandrasekaran
Natarajan Chandrasekaran is an Indian business executive who serves as the chairman of Tata Sons, the holding company of the Tata Group.
 E1222738 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: Natarajan Chandrasekaran | Statement: [Tata Group, keyPerson, Natarajan Chandrasekaran]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Natarajan Chandrasekaran
Context triple: [Tata Group, keyPerson, Natarajan Chandrasekaran]
  • A. Vikram Pandit
    Vikram Pandit is an Indian-American banker best known for serving as the CEO of Citigroup during the global financial crisis.
  • B. Rishad Premji
    Rishad Premji is an Indian business executive who serves as the chairman of Wipro Limited, one of India’s leading global IT services companies.
  • C. Vas Narasimhan
    Vas Narasimhan is an American physician-executive known for leading major strategic and innovation-driven transformations in the global pharmaceutical industry.
  • D. Mohamed Premji
    Mohamed Premji was an Indian industrialist and entrepreneur best known as the founder of Wipro, which he built into a major business conglomerate.
  • E. Sanjay Singhania
    Sanjay Singhania is the amnesiac protagonist of the Indian film "Ghajini," known for using tattoos and photographs to track down his fiancée’s killer.
  • 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: Natarajan Chandrasekaran
Triple: [Tata Group, keyPerson, Natarajan Chandrasekaran]
Generated description
Natarajan Chandrasekaran is an Indian business executive who serves as the chairman of Tata Sons, the holding company of the Tata Group.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Natarajan Chandrasekaran
Target entity description: Natarajan Chandrasekaran is an Indian business executive who serves as the chairman of Tata Sons, the holding company of the Tata Group.
  • A. Vikram Pandit
    Vikram Pandit is an Indian-American banker best known for serving as the CEO of Citigroup during the global financial crisis.
  • B. Rishad Premji
    Rishad Premji is an Indian business executive who serves as the chairman of Wipro Limited, one of India’s leading global IT services companies.
  • C. Vas Narasimhan
    Vas Narasimhan is an American physician-executive known for leading major strategic and innovation-driven transformations in the global pharmaceutical industry.
  • D. Mohamed Premji
    Mohamed Premji was an Indian industrialist and entrepreneur best known as the founder of Wipro, which he built into a major business conglomerate.
  • E. Sanjay Singhania
    Sanjay Singhania is the amnesiac protagonist of the Indian film "Ghajini," known for using tattoos and photographs to track down his fiancée’s killer.
  • 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_69d883880d0c81908b5fcd454e767b60 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e36094920881908051eb0a52e08440 completed April 18, 2026, 10:44 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0075aa79408190b395d4cd9c6c1cb7 completed May 10, 2026, 12:10 p.m.
NEDg Description generation batch_6a00768e9720819094d4e11ee1e100d6 completed May 10, 2026, 12:14 p.m.
NED2 Entity disambiguation (via description) batch_6a007728680c819082a3bd7e84edb2b0 completed May 10, 2026, 12:16 p.m.
Created at: April 10, 2026, 5:17 a.m.