Triple

T13998398
Position Surface form Disambiguated ID Type / Status
Subject Beach railway station, Chennai E336759 entity
Predicate connectedTo P37 FINISHED
Object Tambaram railway station
Tambaram railway station is a major suburban and long-distance rail hub in the Chennai metropolitan area, serving as a key terminus and transit point for commuters and regional travelers in Tamil Nadu, India.
 E1075208 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: Tambaram railway station | Statement: [Beach railway station, Chennai, connectedTo, Tambaram railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tambaram railway station
Context triple: [Beach railway station, Chennai, connectedTo, Tambaram railway station]
  • 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. Chepauk MRTS station
    Chepauk MRTS station is an elevated suburban railway station in Chennai, India, serving the Mass Rapid Transit System near the Chepauk area and its prominent institutions.
  • C. Kodambakkam railway station
    Kodambakkam railway station is a suburban rail stop in Chennai, India, serving the Kodambakkam neighborhood on the city’s Mass Rapid Transit and suburban railway network.
  • D. 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.
  • E. Chidambaram railway station
    Chidambaram railway station is a regional rail hub in Tamil Nadu, India, serving the temple town of Chidambaram on the Chennai–Tiruchirappalli main line.
  • 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: Tambaram railway station
Triple: [Beach railway station, Chennai, connectedTo, Tambaram railway station]
Generated description
Tambaram railway station is a major suburban and long-distance rail hub in the Chennai metropolitan area, serving as a key terminus and transit point for commuters and regional travelers in Tamil Nadu, India.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tambaram railway station
Target entity description: Tambaram railway station is a major suburban and long-distance rail hub in the Chennai metropolitan area, serving as a key terminus and transit point for commuters and regional travelers in Tamil Nadu, India.
  • 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. Chepauk MRTS station
    Chepauk MRTS station is an elevated suburban railway station in Chennai, India, serving the Mass Rapid Transit System near the Chepauk area and its prominent institutions.
  • C. Kodambakkam railway station
    Kodambakkam railway station is a suburban rail stop in Chennai, India, serving the Kodambakkam neighborhood on the city’s Mass Rapid Transit and suburban railway network.
  • D. 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.
  • E. Chidambaram railway station
    Chidambaram railway station is a regional rail hub in Tamil Nadu, India, serving the temple town of Chidambaram on the Chennai–Tiruchirappalli main line.
  • 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_69d81c645c5c8190b1fd16a285a1b78a completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de2eb68ba88190bfaf10777d607bf3 completed April 14, 2026, 12:10 p.m.
NED1 Entity disambiguation (via context triple) batch_69fbc32789e08190be0f1d1685dcc90e completed May 6, 2026, 10:39 p.m.
NEDg Description generation batch_69fbc6d1048081908fb2e798cbc9902f completed May 6, 2026, 10:55 p.m.
NED2 Entity disambiguation (via description) batch_69fbc76610008190bd3c7f357666c8db completed May 6, 2026, 10:57 p.m.
Created at: April 9, 2026, 10:19 p.m.