Triple

T9790676
Position Surface form Disambiguated ID Type / Status
Subject Santhome E237596 entity
Predicate nearestMetroStation P4625 FINISHED
Object Thirumayilai metro station
Thirumayilai metro station is an elevated station on Chennai Metro’s Blue Line serving the Mylapore and Santhome areas of Chennai, India.
 E821894 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: Thirumayilai metro station | Statement: [Santhome, nearestMetroStation, Thirumayilai metro station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Thirumayilai metro station
Context triple: [Santhome, nearestMetroStation, Thirumayilai metro station]
  • A. 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.
  • B. Karunamoyee metro station
    Karunamoyee metro station is an elevated station on Kolkata Metro’s East-West corridor serving the Karunamoyee area of Salt Lake City (Bidhannagar) in West Bengal, India.
  • 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. GTB Nagar metro station
    GTB Nagar metro station is a Delhi Metro station in North Delhi that serves as a key access point to the University of Delhi’s North Campus and surrounding student areas.
  • E. Halasuru Metro Station
    Halasuru Metro Station is an elevated Namma Metro station on Bengaluru’s Purple Line serving the Halasuru/Ulsoor area.
  • 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: Thirumayilai metro station
Triple: [Santhome, nearestMetroStation, Thirumayilai metro station]
Generated description
Thirumayilai metro station is an elevated station on Chennai Metro’s Blue Line serving the Mylapore and Santhome areas of Chennai, India.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Thirumayilai metro station
Target entity description: Thirumayilai metro station is an elevated station on Chennai Metro’s Blue Line serving the Mylapore and Santhome areas of Chennai, India.
  • A. 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.
  • B. Karunamoyee metro station
    Karunamoyee metro station is an elevated station on Kolkata Metro’s East-West corridor serving the Karunamoyee area of Salt Lake City (Bidhannagar) in West Bengal, India.
  • 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. GTB Nagar metro station
    GTB Nagar metro station is a Delhi Metro station in North Delhi that serves as a key access point to the University of Delhi’s North Campus and surrounding student areas.
  • E. Halasuru Metro Station
    Halasuru Metro Station is an elevated Namma Metro station on Bengaluru’s Purple Line serving the Halasuru/Ulsoor area.
  • 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_69ca84dc04488190b9c91193976c0960 completed March 30, 2026, 2:12 p.m.
NER Named-entity recognition batch_69cda215b3108190a897552e1dc91cc4 completed April 1, 2026, 10:54 p.m.
NED1 Entity disambiguation (via context triple) batch_69d1c43141cc81908c45a3f5d5103564 completed April 5, 2026, 2:08 a.m.
NEDg Description generation batch_69d1c4b07cec8190a2e6c49efad3a841 completed April 5, 2026, 2:10 a.m.
NED2 Entity disambiguation (via description) batch_69d1c547a9808190b96face03c4203b0 completed April 5, 2026, 2:13 a.m.
Created at: March 30, 2026, 8:28 p.m.