Triple
T15298270
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Son Bridge at Dehri-on-Sone |
E365716
|
entity |
| Predicate | locatedOnRailwayLine |
P848
|
FINISHED |
| Object |
Grand Chord section of Indian Railways
The Grand Chord section of Indian Railways is a major high-capacity rail corridor in eastern India that forms a crucial part of the main Delhi–Howrah route, enabling faster passenger and freight movement between northern and eastern regions of the country.
|
E1148179
|
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: Grand Chord section of Indian Railways | Statement: [Son Bridge at Dehri-on-Sone, locatedOnRailwayLine, Grand Chord section of Indian Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Grand Chord section of Indian Railways Context triple: [Son Bridge at Dehri-on-Sone, locatedOnRailwayLine, Grand Chord section of Indian Railways]
-
A.
Jabalpur–Itarsi section
The Jabalpur–Itarsi section is a key railway corridor in the Indian state of Madhya Pradesh that connects the city of Jabalpur with the major junction of Itarsi, serving numerous intermediate towns and facilitating regional passenger and freight movement.
-
B.
Delhi–Kanpur section
The Delhi–Kanpur section is a major railway corridor in northern India that connects the national capital Delhi with the industrial city of Kanpur, carrying heavy passenger and freight traffic.
-
C.
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.
-
D.
Production units of Indian Railways
The Production units of Indian Railways are specialized manufacturing and maintenance facilities that build, overhaul, and upgrade locomotives, coaches, wagons, and other rolling stock for the national railway system.
-
E.
Jabalpur–Nagpur section
The Jabalpur–Nagpur section is a key railway line in central India that connects the cities of Jabalpur in Madhya Pradesh and Nagpur in Maharashtra, serving as an important route for both passenger and freight trains.
- 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: Grand Chord section of Indian Railways Triple: [Son Bridge at Dehri-on-Sone, locatedOnRailwayLine, Grand Chord section of Indian Railways]
Generated description
The Grand Chord section of Indian Railways is a major high-capacity rail corridor in eastern India that forms a crucial part of the main Delhi–Howrah route, enabling faster passenger and freight movement between northern and eastern regions of the country.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Grand Chord section of Indian Railways Target entity description: The Grand Chord section of Indian Railways is a major high-capacity rail corridor in eastern India that forms a crucial part of the main Delhi–Howrah route, enabling faster passenger and freight movement between northern and eastern regions of the country.
-
A.
Jabalpur–Itarsi section
The Jabalpur–Itarsi section is a key railway corridor in the Indian state of Madhya Pradesh that connects the city of Jabalpur with the major junction of Itarsi, serving numerous intermediate towns and facilitating regional passenger and freight movement.
-
B.
Delhi–Kanpur section
The Delhi–Kanpur section is a major railway corridor in northern India that connects the national capital Delhi with the industrial city of Kanpur, carrying heavy passenger and freight traffic.
-
C.
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.
-
D.
Production units of Indian Railways
The Production units of Indian Railways are specialized manufacturing and maintenance facilities that build, overhaul, and upgrade locomotives, coaches, wagons, and other rolling stock for the national railway system.
-
E.
Jabalpur–Nagpur section
The Jabalpur–Nagpur section is a key railway line in central India that connects the cities of Jabalpur in Madhya Pradesh and Nagpur in Maharashtra, serving as an important route for both passenger and freight trains.
- 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_69d85a113ee881908e297a1d38dd79fa |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e03686bfb8819080ba0caae652170a |
completed | April 16, 2026, 1:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69feef82f6d08190b809260dda247dfe |
completed | May 9, 2026, 8:25 a.m. |
| NEDg | Description generation | batch_69fef08efec88190a66159ba39409ec9 |
completed | May 9, 2026, 8:30 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fef1715c3081909bddb24688c810a7 |
completed | May 9, 2026, 8:33 a.m. |
Created at: April 10, 2026, 3:15 a.m.