Triple

T20213405
Position Surface form Disambiguated ID Type / Status
Subject Howrah–New Jalpaiguri line E493549 entity
Predicate partOfCorridor P840 FINISHED
Object Howrah–New Jalpaiguri–Guwahati route
The Howrah–New Jalpaiguri–Guwahati route is a major railway corridor in eastern and northeastern India that connects Kolkata with North Bengal and Assam, serving as a key passenger and freight link for the region.
E493549 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: Howrah–New Jalpaiguri–Guwahati route | Statement: [Howrah–New Jalpaiguri line, partOfCorridor, Howrah–New Jalpaiguri–Guwahati route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Howrah–New Jalpaiguri–Guwahati route
Context triple: [Howrah–New Jalpaiguri line, partOfCorridor, Howrah–New Jalpaiguri–Guwahati route]
  • A. Delhi–Guwahati route
    The Delhi–Guwahati route is a major Indian railway corridor connecting the national capital Delhi with the northeastern city of Guwahati, serving numerous important junctions and regions along the way.
  • B. Howrah–New Jalpaiguri line
    The Howrah–New Jalpaiguri line is a major railway route in the Indian state of West Bengal that connects Kolkata’s Howrah station with New Jalpaiguri, serving as a key corridor between southern and northern Bengal.
  • C. Sealdah–Ranaghat line
    The Sealdah–Ranaghat line is a major suburban railway corridor in the Kolkata metropolitan area of West Bengal, India, connecting Sealdah station with Ranaghat and serving numerous densely populated towns along the route.
  • D. Howrah–Kharagpur railway line
    The Howrah–Kharagpur railway line is a major suburban and long-distance rail corridor in West Bengal, India, connecting the metropolitan hub of Howrah (Kolkata) with the industrial town of Kharagpur and serving numerous intermediate towns and junctions.
  • E. Badarpur–Agartala line
    The Badarpur–Agartala line is a railway route in Northeast India that connects Assam with the state of Tripura, serving as a key link for regional passenger and freight transport.
  • 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: Howrah–New Jalpaiguri–Guwahati route
Triple: [Howrah–New Jalpaiguri line, partOfCorridor, Howrah–New Jalpaiguri–Guwahati route]
Generated description
The Howrah–New Jalpaiguri–Guwahati route is a major railway corridor in eastern and northeastern India that connects Kolkata with North Bengal and Assam, serving as a key passenger and freight link for the region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Howrah–New Jalpaiguri–Guwahati route
Target entity description: The Howrah–New Jalpaiguri–Guwahati route is a major railway corridor in eastern and northeastern India that connects Kolkata with North Bengal and Assam, serving as a key passenger and freight link for the region.
  • A. Delhi–Guwahati route
    The Delhi–Guwahati route is a major Indian railway corridor connecting the national capital Delhi with the northeastern city of Guwahati, serving numerous important junctions and regions along the way.
  • B. Howrah–New Jalpaiguri line chosen
    The Howrah–New Jalpaiguri line is a major railway route in the Indian state of West Bengal that connects Kolkata’s Howrah station with New Jalpaiguri, serving as a key corridor between southern and northern Bengal.
  • C. Sealdah–Ranaghat line
    The Sealdah–Ranaghat line is a major suburban railway corridor in the Kolkata metropolitan area of West Bengal, India, connecting Sealdah station with Ranaghat and serving numerous densely populated towns along the route.
  • D. Howrah–Kharagpur railway line
    The Howrah–Kharagpur railway line is a major suburban and long-distance rail corridor in West Bengal, India, connecting the metropolitan hub of Howrah (Kolkata) with the industrial town of Kharagpur and serving numerous intermediate towns and junctions.
  • E. Badarpur–Agartala line
    The Badarpur–Agartala line is a railway route in Northeast India that connects Assam with the state of Tripura, serving as a key link for regional passenger and freight transport.
  • F. None of above.

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_69da6269614c8190bb40475d9d477358 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e66ed6fe888190b553ba6879cb2d8d completed April 20, 2026, 6:22 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0843f2768c8190b54054fc00c84332 completed May 16, 2026, 10:16 a.m.
NEDg Description generation batch_6a0844fdbc888190bd3a9e02d5f9bcc2 completed May 16, 2026, 10:20 a.m.
NED2 Entity disambiguation (via description) batch_6a0845e473088190a9a87fc83ece73d5 completed May 16, 2026, 10:24 a.m.
Created at: April 11, 2026, 11:38 p.m.