Triple

T14667063
Position Surface form Disambiguated ID Type / Status
Subject Chennai MRTS E344405 entity
Predicate primaryCorridor P3034 FINISHED
Object Chennai Beach–Velachery
Chennai Beach–Velachery is a major Mass Rapid Transit System (MRTS) rail corridor in Chennai, India, connecting the coastal Chennai Beach area with the southern suburb of Velachery.
E1112883 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: Chennai Beach–Velachery | Statement: [Chennai MRTS, primaryCorridor, Chennai Beach–Velachery]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chennai Beach–Velachery
Context triple: [Chennai MRTS, primaryCorridor, Chennai Beach–Velachery]
  • A. Chennai Beach–Tambaram section
    The Chennai Beach–Tambaram section is a key suburban railway corridor in Chennai, India, connecting the city’s coastal terminus with its southern suburbs and serving as one of the busiest commuter routes in the region.
  • B. Nungambakkam
    Nungambakkam is a prominent residential and commercial neighborhood in central Chennai, India, known for its educational institutions, shopping areas, and cultural landmarks.
  • C. Kodambakkam
    Kodambakkam is a prominent neighborhood in Chennai, India, best known as the historic heart of the Tamil film industry and home to many of its major studios and production houses.
  • D. Mylapore
    Mylapore is a historic neighborhood in Chennai, India, known for its ancient temples, cultural heritage, and traditional South Indian character.
  • E. Vadapalani
    Vadapalani is a bustling residential and commercial neighborhood in Chennai, India, known for its famous Murugan Temple and proximity to major film and television studios.
  • 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: Chennai Beach–Velachery
Triple: [Chennai MRTS, primaryCorridor, Chennai Beach–Velachery]
Generated description
Chennai Beach–Velachery is a major Mass Rapid Transit System (MRTS) rail corridor in Chennai, India, connecting the coastal Chennai Beach area with the southern suburb of Velachery.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chennai Beach–Velachery
Target entity description: Chennai Beach–Velachery is a major Mass Rapid Transit System (MRTS) rail corridor in Chennai, India, connecting the coastal Chennai Beach area with the southern suburb of Velachery.
  • A. Chennai Beach–Tambaram section
    The Chennai Beach–Tambaram section is a key suburban railway corridor in Chennai, India, connecting the city’s coastal terminus with its southern suburbs and serving as one of the busiest commuter routes in the region.
  • B. Nungambakkam
    Nungambakkam is a prominent residential and commercial neighborhood in central Chennai, India, known for its educational institutions, shopping areas, and cultural landmarks.
  • C. Kodambakkam
    Kodambakkam is a prominent neighborhood in Chennai, India, best known as the historic heart of the Tamil film industry and home to many of its major studios and production houses.
  • D. Mylapore
    Mylapore is a historic neighborhood in Chennai, India, known for its ancient temples, cultural heritage, and traditional South Indian character.
  • E. Pallavaram
    Pallavaram is a suburban neighborhood of Chennai in Tamil Nadu, India, known for its residential areas, proximity to the airport, and growing commercial activity.
  • 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_69d822e283fc8190a0e4c235cf880052 completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69deb54dda1c8190bf16d17e26a2bba6 completed April 14, 2026, 9:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69fdd5e63e6c8190ba67776719f2ff0c completed May 8, 2026, 12:24 p.m.
NEDg Description generation batch_69fdda3510bc8190b12783ded11b5796 completed May 8, 2026, 12:42 p.m.
NED2 Entity disambiguation (via description) batch_69fddaa56f4c8190ba56af6a7a56a201 completed May 8, 2026, 12:44 p.m.
Created at: April 10, 2026, 1:27 a.m.