Triple
T4795070
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nagpur Junction railway station |
E106690
|
entity |
| Predicate | isJunctionOn |
P6309
|
FINISHED |
| Object |
Nagpur–Itarsi line
The Nagpur–Itarsi line is a major railway route in central India that connects Nagpur in Maharashtra with Itarsi in Madhya Pradesh, serving as an important corridor for both passenger and freight traffic.
|
E485748
|
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: Nagpur–Itarsi line | Statement: [Nagpur Junction railway station, isJunctionOn, Nagpur–Itarsi line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nagpur–Itarsi line Context triple: [Nagpur Junction railway station, isJunctionOn, Nagpur–Itarsi line]
-
A.
Nagpur–Bhusawal line
The Nagpur–Bhusawal line is a major railway route in central India that connects Nagpur with Bhusawal, forming an important segment of the Howrah–Mumbai main line.
-
B.
Nagpur–Bilaspur line
The Nagpur–Bilaspur line is a key railway route in central India that connects Nagpur in Maharashtra with Bilaspur in Chhattisgarh, forming part of an important east–west rail corridor.
-
C.
Nagpur–Secunderabad line
The Nagpur–Secunderabad line is a major railway route in central and southern India that connects Nagpur in Maharashtra with Secunderabad in Telangana, serving as an important corridor for both passenger and freight traffic.
-
D.
Pune–Miraj–Londa line
The Pune–Miraj–Londa line is a key railway route in western and southern India that connects Maharashtra with Karnataka, serving as an important corridor for both passenger and freight traffic.
-
E.
Mumbai–Pune railway line
The Mumbai–Pune railway line is a major rail corridor in Maharashtra, India, connecting the metropolitan city of Mumbai with the industrial and educational hub of Pune through the Western Ghats.
- 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: Nagpur–Itarsi line Triple: [Nagpur Junction railway station, isJunctionOn, Nagpur–Itarsi line]
Generated description
The Nagpur–Itarsi line is a major railway route in central India that connects Nagpur in Maharashtra with Itarsi in Madhya Pradesh, serving as an important corridor for both passenger and freight traffic.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nagpur–Itarsi line Target entity description: The Nagpur–Itarsi line is a major railway route in central India that connects Nagpur in Maharashtra with Itarsi in Madhya Pradesh, serving as an important corridor for both passenger and freight traffic.
-
A.
Nagpur–Bhusawal line
The Nagpur–Bhusawal line is a major railway route in central India that connects Nagpur with Bhusawal, forming an important segment of the Howrah–Mumbai main line.
-
B.
Nagpur–Bilaspur line
The Nagpur–Bilaspur line is a key railway route in central India that connects Nagpur in Maharashtra with Bilaspur in Chhattisgarh, forming part of an important east–west rail corridor.
-
C.
Nagpur–Secunderabad line
The Nagpur–Secunderabad line is a major railway route in central and southern India that connects Nagpur in Maharashtra with Secunderabad in Telangana, serving as an important corridor for both passenger and freight traffic.
-
D.
Pune–Miraj–Londa line
The Pune–Miraj–Londa line is a key railway route in western and southern India that connects Maharashtra with Karnataka, serving as an important corridor for both passenger and freight traffic.
-
E.
Mumbai–Pune railway line
The Mumbai–Pune railway line is a major rail corridor in Maharashtra, India, connecting the metropolitan city of Mumbai with the industrial and educational hub of Pune through the Western Ghats.
- 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_69bd43f591c881909e5a532388b0f3f3 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd6609e9888190b49f99bb9fb2279d |
completed | March 20, 2026, 3:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be922efb7c8190a7ea9a7c9aa5503d |
completed | March 21, 2026, 12:42 p.m. |
| NEDg | Description generation | batch_69be92976ee081909bfd282c17db1612 |
completed | March 21, 2026, 12:44 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69be930bc19c8190a2c4716df41446d6 |
completed | March 21, 2026, 12:46 p.m. |
Created at: March 20, 2026, 1:22 p.m.