Triple

T7589795
Position Surface form Disambiguated ID Type / Status
Subject Nilgiri Mountain Railway E179705 entity
Predicate terminus P388 FINISHED
Object Mettupalayam
Mettupalayam is a town in Tamil Nadu, India, known as the gateway to the Nilgiri Hills and a key rail and road junction for travel to Ooty.
 E675760 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: Mettupalayam | Statement: [Nilgiri Mountain Railway, terminus, Mettupalayam]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mettupalayam
Context triple: [Nilgiri Mountain Railway, terminus, Mettupalayam]
  • A. Tirunavukkarasar
    Tirunavukkarasar, also known as Appar, was a 7th-century Tamil Shaivite saint and one of the most revered Nayanmar poets whose devotional hymns greatly shaped Tamil bhakti literature.
  • B. Sambandar
    Sambandar was a 7th-century Tamil child saint and one of the most celebrated Nayanar poet-saints of Shaivism, renowned for his devotional hymns to Lord Shiva that form a major part of the Tevaram.
  • C. Pillaiyar
    Pillaiyar is a widely revered elephant-headed Hindu deity, especially in South India, worshipped as the remover of obstacles and patron of beginnings and wisdom.
  • D. Sriperumbudur
    Sriperumbudur is a town in the Indian state of Tamil Nadu, historically notable as the site of former Prime Minister Rajiv Gandhi’s assassination and as the birthplace of the philosopher Ramanuja.
  • E. Palamoor
    Palamoor is the historical name of Mahbubnagar, a town and district headquarters in the Indian state of Telangana.
  • 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: Mettupalayam
Triple: [Nilgiri Mountain Railway, terminus, Mettupalayam]
Generated description
Mettupalayam is a town in Tamil Nadu, India, known as the gateway to the Nilgiri Hills and a key rail and road junction for travel to Ooty.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mettupalayam
Target entity description: Mettupalayam is a town in Tamil Nadu, India, known as the gateway to the Nilgiri Hills and a key rail and road junction for travel to Ooty.
  • A. Tirunavukkarasar
    Tirunavukkarasar, also known as Appar, was a 7th-century Tamil Shaivite saint and one of the most revered Nayanmar poets whose devotional hymns greatly shaped Tamil bhakti literature.
  • B. Sambandar
    Sambandar was a 7th-century Tamil child saint and one of the most celebrated Nayanar poet-saints of Shaivism, renowned for his devotional hymns to Lord Shiva that form a major part of the Tevaram.
  • C. Pillaiyar
    Pillaiyar is a widely revered elephant-headed Hindu deity, especially in South India, worshipped as the remover of obstacles and patron of beginnings and wisdom.
  • D. Sriperumbudur
    Sriperumbudur is a town in the Indian state of Tamil Nadu, historically notable as the site of former Prime Minister Rajiv Gandhi’s assassination and as the birthplace of the philosopher Ramanuja.
  • E. Palamoor
    Palamoor is the historical name of Mahbubnagar, a town and district headquarters in the Indian state of Telangana.
  • 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_69c69f335248819093c1006f30513708 completed March 27, 2026, 3:16 p.m.
NER Named-entity recognition batch_69c6f9b615f481908b2fe7e8aaed81bc completed March 27, 2026, 9:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8618d29c4819083e78266af8f2daa completed March 28, 2026, 11:17 p.m.
NEDg Description generation batch_69c86211e4f88190b38bce6441e33b53 completed March 28, 2026, 11:19 p.m.
NED2 Entity disambiguation (via description) batch_69c862b8f3688190b0abc00458f70d7e completed March 28, 2026, 11:22 p.m.
Created at: March 27, 2026, 3:53 p.m.