Triple

T14046884
Position Surface form Disambiguated ID Type / Status
Subject Chennai railway division E337978 entity
Predicate hasImportantStation P1071 FINISHED
Object Tindivanam railway station
Tindivanam railway station is a key regional rail hub in Tamil Nadu, India, serving the town of Tindivanam and connecting it to major routes within the Southern Railway network.
 E1080835 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: Tindivanam railway station | Statement: [Chennai railway division, hasImportantStation, Tindivanam railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tindivanam railway station
Context triple: [Chennai railway division, hasImportantStation, Tindivanam railway station]
  • A. Tirunelveli Junction railway station
    Tirunelveli Junction railway station is a major rail hub in Tamil Nadu, India, serving as the primary junction connecting Tirunelveli with key cities across the region and country.
  • B. Tiruttani railway station
    Tiruttani railway station is a regional rail stop in Tamil Nadu, India, serving the town of Tiruttani and its surrounding areas on key routes connecting major cities.
  • C. Tiruvallur railway station
    Tiruvallur railway station is a key suburban and regional rail hub serving the town of Tiruvallur in the Chennai metropolitan area of Tamil Nadu, India.
  • D. Kumbakonam railway station
    Kumbakonam railway station is a major rail hub in the town of Kumbakonam in Tamil Nadu, India, serving as an important junction for regional and pilgrimage travel.
  • 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: Tindivanam railway station
Triple: [Chennai railway division, hasImportantStation, Tindivanam railway station]
Generated description
Tindivanam railway station is a key regional rail hub in Tamil Nadu, India, serving the town of Tindivanam and connecting it to major routes within the Southern Railway network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tindivanam railway station
Target entity description: Tindivanam railway station is a key regional rail hub in Tamil Nadu, India, serving the town of Tindivanam and connecting it to major routes within the Southern Railway network.
  • A. Tirunelveli Junction railway station
    Tirunelveli Junction railway station is a major rail hub in Tamil Nadu, India, serving as the primary junction connecting Tirunelveli with key cities across the region and country.
  • B. Tiruttani railway station
    Tiruttani railway station is a regional rail stop in Tamil Nadu, India, serving the town of Tiruttani and its surrounding areas on key routes connecting major cities.
  • C. Tiruvallur railway station
    Tiruvallur railway station is a key suburban and regional rail hub serving the town of Tiruvallur in the Chennai metropolitan area of Tamil Nadu, India.
  • D. Kumbakonam railway station
    Kumbakonam railway station is a major rail hub in the town of Kumbakonam in Tamil Nadu, India, serving as an important junction for regional and pilgrimage travel.
  • 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_69d81c664e48819088cbd8f433aeffe5 completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de312df37081909f45ce3e219af5dc completed April 14, 2026, 12:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69fcd099b7788190a7c309dba450e58f completed May 7, 2026, 5:49 p.m.
NEDg Description generation batch_69fcd288bd5881908f6a442201c5beea completed May 7, 2026, 5:57 p.m.
NED2 Entity disambiguation (via description) batch_69fcd3ad7be8819094fc71c9f44fb4cb completed May 7, 2026, 6:02 p.m.
Created at: April 9, 2026, 10:20 p.m.