Triple

T3211896
Position Surface form Disambiguated ID Type / Status
Subject Arignar Anna Zoological Park E67298 entity
Predicate publicTransitAccess P1288 FINISHED
Object Vandalur railway station
Vandalur railway station is a suburban rail stop in Chennai, India, serving as a key access point for visitors to the nearby Arignar Anna Zoological Park.
 E341195 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: Vandalur railway station | Statement: [Arignar Anna Zoological Park, publicTransitAccess, Vandalur railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Vandalur railway station
Context triple: [Arignar Anna Zoological Park, publicTransitAccess, Vandalur railway station]
  • A. Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station
    Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station is the main railway terminus of Chennai and one of the busiest and most important rail hubs in South India.
  • B. Coimbatore Junction railway station
    Coimbatore Junction railway station is a major railway hub in Tamil Nadu, India, serving as the primary rail gateway to the city of Coimbatore and an important junction on the Southern Railway network.
  • C. Madurai Junction railway station
    Madurai Junction railway station is a major railway hub in Tamil Nadu, India, serving as a key transit point for trains connecting southern cities with the rest of the country.
  • D. Chennai Egmore railway station
    Chennai Egmore railway station is one of the major railway terminals in Chennai, India, serving as a key hub for regional and long-distance trains, especially to southern Tamil Nadu.
  • E. Tiruchirappalli Junction railway station
    Tiruchirappalli Junction railway station is a major railway hub in Tamil Nadu, India, serving as one of the busiest and most important junctions in the Southern Railway zone.
  • 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: Vandalur railway station
Triple: [Arignar Anna Zoological Park, publicTransitAccess, Vandalur railway station]
Generated description
Vandalur railway station is a suburban rail stop in Chennai, India, serving as a key access point for visitors to the nearby Arignar Anna Zoological Park.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Vandalur railway station
Target entity description: Vandalur railway station is a suburban rail stop in Chennai, India, serving as a key access point for visitors to the nearby Arignar Anna Zoological Park.
  • A. Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station
    Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station is the main railway terminus of Chennai and one of the busiest and most important rail hubs in South India.
  • B. Coimbatore Junction railway station
    Coimbatore Junction railway station is a major railway hub in Tamil Nadu, India, serving as the primary rail gateway to the city of Coimbatore and an important junction on the Southern Railway network.
  • C. Madurai Junction railway station
    Madurai Junction railway station is a major railway hub in Tamil Nadu, India, serving as a key transit point for trains connecting southern cities with the rest of the country.
  • D. Chennai Egmore railway station
    Chennai Egmore railway station is one of the major railway terminals in Chennai, India, serving as a key hub for regional and long-distance trains, especially to southern Tamil Nadu.
  • E. Tiruchirappalli Junction railway station
    Tiruchirappalli Junction railway station is a major railway hub in Tamil Nadu, India, serving as one of the busiest and most important junctions in the Southern Railway zone.
  • 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_69ad858ac36c81909962589cd277d6e2 completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69adaaba224c8190ad2f4e0ed1c2ca4a completed March 8, 2026, 4:58 p.m.
NED1 Entity disambiguation (via context triple) batch_69b28e864a1c8190b56ab9e80f72e48c completed March 12, 2026, 9:59 a.m.
NEDg Description generation batch_69b28f6f5f3081908e907207a91dd473 completed March 12, 2026, 10:03 a.m.
NED2 Entity disambiguation (via description) batch_69b29bf187508190930c2cdfc6d127fc completed March 12, 2026, 10:56 a.m.
Created at: March 8, 2026, 3:07 p.m.