Triple

T7650019
Position Surface form Disambiguated ID Type / Status
Subject Thanjavur Junction railway station E173223 entity
Predicate isJunctionOf P14465 FINISHED
Object Thanjavur–Kumbakonam line
The Thanjavur–Kumbakonam line is a railway route in the Indian state of Tamil Nadu that connects the historic temple towns of Thanjavur and Kumbakonam.
 E682604 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: Thanjavur–Kumbakonam line | Statement: [Thanjavur Junction railway station, isJunctionOf, Thanjavur–Kumbakonam line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Thanjavur–Kumbakonam line
Context triple: [Thanjavur Junction railway station, isJunctionOf, Thanjavur–Kumbakonam line]
  • A. Thanjavur–Nagapattinam line
    The Thanjavur–Nagapattinam line is a railway route in the Indian state of Tamil Nadu that connects the inland cultural hub of Thanjavur with the coastal town of Nagapattinam.
  • B. Tiruchirappalli–Thanjavur line
    The Tiruchirappalli–Thanjavur line is a key railway route in Tamil Nadu, India, connecting the major cities of Tiruchirappalli and Thanjavur and serving as an important corridor for regional passenger and freight traffic.
  • C. Tiruchirappalli–Madurai line
    The Tiruchirappalli–Madurai line is a key railway route in the Indian state of Tamil Nadu that connects the major cities of Tiruchirappalli and Madurai, serving as an important corridor for both passenger and freight traffic.
  • D. Tiruchirappalli–Karur line
    The Tiruchirappalli–Karur line is a railway route in the Indian state of Tamil Nadu that connects the city of Tiruchirappalli with Karur, serving as an important regional link for passenger and freight traffic.
  • E. Tiruchirappalli–Dindigul line
    The Tiruchirappalli–Dindigul line is a key broad-gauge railway route in Tamil Nadu, India, connecting the major cities of Tiruchirappalli and Dindigul and serving as an important link in the Southern Railway network.
  • 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: Thanjavur–Kumbakonam line
Triple: [Thanjavur Junction railway station, isJunctionOf, Thanjavur–Kumbakonam line]
Generated description
The Thanjavur–Kumbakonam line is a railway route in the Indian state of Tamil Nadu that connects the historic temple towns of Thanjavur and Kumbakonam.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Thanjavur–Kumbakonam line
Target entity description: The Thanjavur–Kumbakonam line is a railway route in the Indian state of Tamil Nadu that connects the historic temple towns of Thanjavur and Kumbakonam.
  • A. Thanjavur–Nagapattinam line
    The Thanjavur–Nagapattinam line is a railway route in the Indian state of Tamil Nadu that connects the inland cultural hub of Thanjavur with the coastal town of Nagapattinam.
  • B. Tiruchirappalli–Thanjavur line
    The Tiruchirappalli–Thanjavur line is a key railway route in Tamil Nadu, India, connecting the major cities of Tiruchirappalli and Thanjavur and serving as an important corridor for regional passenger and freight traffic.
  • C. Tiruchirappalli–Madurai line
    The Tiruchirappalli–Madurai line is a key railway route in the Indian state of Tamil Nadu that connects the major cities of Tiruchirappalli and Madurai, serving as an important corridor for both passenger and freight traffic.
  • D. Tiruchirappalli–Karur line
    The Tiruchirappalli–Karur line is a railway route in the Indian state of Tamil Nadu that connects the city of Tiruchirappalli with Karur, serving as an important regional link for passenger and freight traffic.
  • E. Tiruchirappalli–Dindigul line
    The Tiruchirappalli–Dindigul line is a key broad-gauge railway route in Tamil Nadu, India, connecting the major cities of Tiruchirappalli and Dindigul and serving as an important link in the Southern Railway network.
  • 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_69c6995473348190a4f41d110d619a18 completed March 27, 2026, 2:51 p.m.
NER Named-entity recognition batch_69c70174af248190af6695e127776c02 completed March 27, 2026, 10:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69c8ac925a6c8190aa7a4fe4f580d14f completed March 29, 2026, 4:37 a.m.
NEDg Description generation batch_69c8ad7b6c4881909e7b26e1db5d26bb completed March 29, 2026, 4:41 a.m.
NED2 Entity disambiguation (via description) batch_69c8add57fc481909825b950d609517c completed March 29, 2026, 4:43 a.m.
Created at: March 27, 2026, 3:58 p.m.