Triple

T3197586
Position Surface form Disambiguated ID Type / Status
Subject Madras High Court E66969 entity
Predicate nearbyLandmark P350 FINISHED
Object Beach railway station, Chennai
Beach railway station, Chennai is a major suburban railway terminus in Chennai, India, serving as a key hub for local commuter rail services along the city’s coastline.
 E336759 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: Beach railway station, Chennai | Statement: [Madras High Court, nearbyLandmark, Beach railway station, Chennai]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Beach railway station, Chennai
Context triple: [Madras High Court, nearbyLandmark, Beach railway station, Chennai]
  • A. 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.
  • B. Chennai Central railway station
    Chennai Central railway station is a major historic railway terminus and one of the busiest transport hubs in South India, serving as a key gateway to the city of Chennai and beyond.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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: Beach railway station, Chennai
Triple: [Madras High Court, nearbyLandmark, Beach railway station, Chennai]
Generated description
Beach railway station, Chennai is a major suburban railway terminus in Chennai, India, serving as a key hub for local commuter rail services along the city’s coastline.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Beach railway station, Chennai
Target entity description: Beach railway station, Chennai is a major suburban railway terminus in Chennai, India, serving as a key hub for local commuter rail services along the city’s coastline.
  • A. 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.
  • B. Chennai Central railway station
    Chennai Central railway station is a major historic railway terminus and one of the busiest transport hubs in South India, serving as a key gateway to the city of Chennai and beyond.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69ad8588ba18819086a10951c32ecb80 completed March 8, 2026, 2:19 p.m.
NER Named-entity recognition batch_69ada7192994819084817307065a25e2 completed March 8, 2026, 4:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69b24bb7cd488190ae95c140d9cda296 completed March 12, 2026, 5:14 a.m.
NEDg Description generation batch_69b24d39e77c8190818f71a3298852d7 completed March 12, 2026, 5:20 a.m.
NED2 Entity disambiguation (via description) batch_69b25178f3c08190be78bdbd0cdfc5f3 completed March 12, 2026, 5:39 a.m.
Created at: March 8, 2026, 3:07 p.m.