Triple
T12540986
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Rajahmundry railway station |
E299835
|
entity |
| Predicate | isOnRoute |
P2127
|
FINISHED |
| Object |
Kolkata–Chennai route
The Kolkata–Chennai route is a major railway corridor in eastern and southern India that connects the city of Kolkata in West Bengal with Chennai in Tamil Nadu, passing through key cities along the east coast.
|
E989466
|
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: Kolkata–Chennai route | Statement: [Rajahmundry railway station, isOnRoute, Kolkata–Chennai route]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kolkata–Chennai route Context triple: [Rajahmundry railway station, isOnRoute, Kolkata–Chennai route]
-
A.
Chennai–Tirupati route
The Chennai–Tirupati route is a major road and rail corridor in South India connecting the metropolitan city of Chennai in Tamil Nadu with the pilgrimage city of Tirupati in Andhra Pradesh.
-
B.
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.
-
C.
Delhi–Chennai line
The Delhi–Chennai line is a major Indian Railways trunk route connecting the national capital New Delhi with the southern metropolis Chennai, passing through key central Indian cities such as Nagpur.
-
D.
Mumbai–Pune route
The Mumbai–Pune route is a major transport corridor in western India connecting the cities of Mumbai and Pune, known for passing through the scenic hill station region of Lonavala.
-
E.
Mumbai–Ahmedabad route
The Mumbai–Ahmedabad route is a major rail and transport corridor in western India connecting the metropolitan cities of Mumbai and Ahmedabad.
- 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: Kolkata–Chennai route Triple: [Rajahmundry railway station, isOnRoute, Kolkata–Chennai route]
Generated description
The Kolkata–Chennai route is a major railway corridor in eastern and southern India that connects the city of Kolkata in West Bengal with Chennai in Tamil Nadu, passing through key cities along the east coast.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Kolkata–Chennai route Target entity description: The Kolkata–Chennai route is a major railway corridor in eastern and southern India that connects the city of Kolkata in West Bengal with Chennai in Tamil Nadu, passing through key cities along the east coast.
-
A.
Chennai–Tirupati route
The Chennai–Tirupati route is a major road and rail corridor in South India connecting the metropolitan city of Chennai in Tamil Nadu with the pilgrimage city of Tirupati in Andhra Pradesh.
-
B.
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.
-
C.
Delhi–Chennai line
The Delhi–Chennai line is a major Indian Railways trunk route connecting the national capital New Delhi with the southern metropolis Chennai, passing through key central Indian cities such as Nagpur.
-
D.
Mumbai–Pune route
The Mumbai–Pune route is a major transport corridor in western India connecting the cities of Mumbai and Pune, known for passing through the scenic hill station region of Lonavala.
-
E.
Mumbai–Ahmedabad route
The Mumbai–Ahmedabad route is a major rail and transport corridor in western India connecting the metropolitan cities of Mumbai and Ahmedabad.
- 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_69d6ada707008190aaec1238117c9379 |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d9546fc620819093335988dbab3256 |
completed | April 10, 2026, 7:50 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6557cb180819083ee10708320199e |
completed | May 2, 2026, 7:50 p.m. |
| NEDg | Description generation | batch_69f6566f40c08190baec227fb660c948 |
completed | May 2, 2026, 7:54 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69f657b1b13c8190984300f24c0b2083 |
completed | May 2, 2026, 7:59 p.m. |
Created at: April 8, 2026, 9:57 p.m.