Triple

T13075760
Position Surface form Disambiguated ID Type / Status
Subject Erode Junction E329567 entity
Predicate isJunctionOnLine P64784 FINISHED
Object Erode–Karur line
The Erode–Karur line is a railway route in the Indian state of Tamil Nadu that connects the cities of Erode and Karur, serving as an important regional link for passenger and freight traffic.
 E1034966 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: Erode–Karur line | Statement: [Erode Junction, isJunctionOnLine, Erode–Karur line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Erode–Karur line
Context triple: [Erode Junction, isJunctionOnLine, Erode–Karur line]
  • A. Erode–Tiruchirappalli line
    The Erode–Tiruchirappalli line is a key railway route in the Indian state of Tamil Nadu that connects the industrial city of Erode with the major urban and cultural center of Tiruchirappalli.
  • B. 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.
  • 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. 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.
  • E. 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.
  • 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: Erode–Karur line
Triple: [Erode Junction, isJunctionOnLine, Erode–Karur line]
Generated description
The Erode–Karur line is a railway route in the Indian state of Tamil Nadu that connects the cities of Erode and Karur, serving as an important regional link for passenger and freight traffic.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Erode–Karur line
Target entity description: The Erode–Karur line is a railway route in the Indian state of Tamil Nadu that connects the cities of Erode and Karur, serving as an important regional link for passenger and freight traffic.
  • A. Erode–Tiruchirappalli line
    The Erode–Tiruchirappalli line is a key railway route in the Indian state of Tamil Nadu that connects the industrial city of Erode with the major urban and cultural center of Tiruchirappalli.
  • B. 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.
  • 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. 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.
  • E. 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.
  • 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_69d80771749c81909a6d9197b9504872 completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69d98117209081908272021013df2222 completed April 10, 2026, 11 p.m.
NED1 Entity disambiguation (via context triple) batch_69f71f0ff20081909f277d9c8dc8b043 completed May 3, 2026, 10:10 a.m.
NEDg Description generation batch_69f720f84c7c8190b0f8de684dd67b42 completed May 3, 2026, 10:18 a.m.
NED2 Entity disambiguation (via description) batch_69f721baaf34819081113c586fae013f completed May 3, 2026, 10:21 a.m.
Created at: April 9, 2026, 9:01 p.m.