Triple
T19348859
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nagpur–Bhusawal line |
E483957
|
entity |
| Predicate | formsSegmentOf |
P6309
|
FINISHED |
| Object |
Delhi–Chennai–Mumbai rail connectivity
Delhi–Chennai–Mumbai rail connectivity is a major long-distance railway corridor linking India’s capital, financial hub, and a key southern metropolis through an integrated network of trunk routes.
|
E1371422
|
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: Delhi–Chennai–Mumbai rail connectivity | Statement: [Nagpur–Bhusawal line, formsSegmentOf, Delhi–Chennai–Mumbai rail connectivity]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Delhi–Chennai–Mumbai rail connectivity Context triple: [Nagpur–Bhusawal line, formsSegmentOf, Delhi–Chennai–Mumbai rail connectivity]
-
A.
Delhi–Kolkata rail corridor
The Delhi–Kolkata rail corridor is one of India’s busiest and most important railway routes, linking the national capital with the eastern metropolis through major northern and eastern cities.
-
B.
Delhi–Ahmedabad rail corridor
The Delhi–Ahmedabad rail corridor is a major railway route in India connecting the national capital Delhi with the commercial hub Ahmedabad, passing through key cities in northern and western India.
-
C.
east–west rail corridor in India
The east–west rail corridor in India is a major transnational railway route that connects key cities across the country’s eastern and western regions, facilitating long-distance passenger and freight movement.
-
D.
Chennai–Kolkata railway corridor
The Chennai–Kolkata railway corridor is a major Indian rail route connecting the southeastern metropolis of Chennai with the eastern city of Kolkata, serving as a key artery for passenger and freight transport along the east coast.
-
E.
Howrah–Mumbai rail corridor
The Howrah–Mumbai rail corridor is a major Indian railway route connecting Kolkata (Howrah) with Mumbai, serving as a key trunk line for passenger and freight traffic across eastern, central, and western India.
- 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: Delhi–Chennai–Mumbai rail connectivity Triple: [Nagpur–Bhusawal line, formsSegmentOf, Delhi–Chennai–Mumbai rail connectivity]
Generated description
Delhi–Chennai–Mumbai rail connectivity is a major long-distance railway corridor linking India’s capital, financial hub, and a key southern metropolis through an integrated network of trunk routes.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Delhi–Chennai–Mumbai rail connectivity Target entity description: Delhi–Chennai–Mumbai rail connectivity is a major long-distance railway corridor linking India’s capital, financial hub, and a key southern metropolis through an integrated network of trunk routes.
-
A.
Delhi–Kolkata rail corridor
The Delhi–Kolkata rail corridor is one of India’s busiest and most important railway routes, linking the national capital with the eastern metropolis through major northern and eastern cities.
-
B.
Delhi–Ahmedabad rail corridor
The Delhi–Ahmedabad rail corridor is a major railway route in India connecting the national capital Delhi with the commercial hub Ahmedabad, passing through key cities in northern and western India.
-
C.
east–west rail corridor in India
The east–west rail corridor in India is a major transnational railway route that connects key cities across the country’s eastern and western regions, facilitating long-distance passenger and freight movement.
-
D.
Chennai–Kolkata railway corridor
The Chennai–Kolkata railway corridor is a major Indian rail route connecting the southeastern metropolis of Chennai with the eastern city of Kolkata, serving as a key artery for passenger and freight transport along the east coast.
-
E.
Howrah–Mumbai rail corridor
The Howrah–Mumbai rail corridor is a major Indian railway route connecting Kolkata (Howrah) with Mumbai, serving as a key trunk line for passenger and freight traffic across eastern, central, and western India.
- 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_69d8e8d244f8819080eb1f3491300db2 |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e6185d54c0819081715ca13a5806b4 |
completed | April 20, 2026, 12:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a071befa6cc81908361f8110b483eaf |
completed | May 15, 2026, 1:13 p.m. |
| NEDg | Description generation | batch_6a072013bb048190846e11c6a4ebe111 |
completed | May 15, 2026, 1:30 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0720fd99b081908e308482e25ac497 |
completed | May 15, 2026, 1:34 p.m. |
Created at: April 10, 2026, 1:34 p.m.