Triple

T9743637
Position Surface form Disambiguated ID Type / Status
Subject Chepauk E236251 entity
Predicate hasLandmark P105 FINISHED
Object 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.
E817779 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: Chepauk MRTS station | Statement: [Chepauk, hasLandmark, Chepauk MRTS station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chepauk MRTS station
Context triple: [Chepauk, hasLandmark, Chepauk MRTS station]
  • A. 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.
  • B. 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.
  • C. Chennai Central Metro
    Chennai Central Metro is a major underground interchange station in Chennai, India, connecting the Chennai Metro network with the city’s primary railway terminus and other urban transit services.
  • D. Nadaprabhu Kempegowda Metro Station
    Nadaprabhu Kempegowda Metro Station is a major interchange and transit hub in Bengaluru’s Namma Metro network, connecting multiple lines and serving as one of the city’s busiest urban rail stations.
  • E. 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.
  • 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: Chepauk MRTS station
Triple: [Chepauk, hasLandmark, Chepauk MRTS station]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chepauk MRTS station
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. Chennai Central Metro
    Chennai Central Metro is a major underground interchange station in Chennai, India, connecting the Chennai Metro network with the city’s primary railway terminus and other urban transit services.
  • D. Nadaprabhu Kempegowda Metro Station
    Nadaprabhu Kempegowda Metro Station is a major interchange and transit hub in Bengaluru’s Namma Metro network, connecting multiple lines and serving as one of the city’s busiest urban rail stations.
  • E. 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.
  • 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_69ca84d3e24481908a476e2231123cf9 completed March 30, 2026, 2:12 p.m.
NER Named-entity recognition batch_69cd9f2e5bb081908047e3bf5fe3991c completed April 1, 2026, 10:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69d1affb761881908dde9a4f028c32f6 completed April 5, 2026, 12:42 a.m.
NEDg Description generation batch_69d1b0f7a68481909de080dd78f883a8 completed April 5, 2026, 12:46 a.m.
NED2 Entity disambiguation (via description) batch_69d1b17bd97c8190b77815db5a6a70d9 completed April 5, 2026, 12:49 a.m.
Created at: March 30, 2026, 8:23 p.m.