Triple
T13036617
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Southern Railway zone |
E326576
|
entity |
| Predicate | notableRoute |
P22
|
FINISHED |
| Object |
Chennai–Bengaluru corridor (part)
The Chennai–Bengaluru corridor is a major high-density rail route in southern India connecting the metropolitan cities of Chennai and Bengaluru, serving as a key passenger and freight link in the region.
|
E1018630
|
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: Chennai–Bengaluru corridor (part) | Statement: [Southern Railway zone, notableRoute, Chennai–Bengaluru corridor (part)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chennai–Bengaluru corridor (part) Context triple: [Southern Railway zone, notableRoute, Chennai–Bengaluru corridor (part)]
-
A.
Chennai–Bengaluru Industrial Corridor
The Chennai–Bengaluru Industrial Corridor is a major infrastructure and economic development project in southern India aimed at boosting manufacturing, logistics, and urban growth between the cities of Chennai and Bengaluru.
-
B.
Whitefield–Kengeri corridor
The Whitefield–Kengeri corridor is a major east–west stretch of Bengaluru’s Namma Metro network connecting the Whitefield area to Kengeri through the city.
-
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.
Chennai–Kolkata highway corridor
The Chennai–Kolkata highway corridor is a major arterial road network in eastern India that connects the southern metropolis of Chennai with the eastern city of Kolkata, facilitating long-distance transport and regional trade.
-
E.
Hyderabad–Bangalore route
The Hyderabad–Bangalore route is a major railway corridor in southern India connecting the cities of Hyderabad in Telangana and Bangalore in Karnataka, passing through key intermediate stations such as Mahbubnagar.
- 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: Chennai–Bengaluru corridor (part) Triple: [Southern Railway zone, notableRoute, Chennai–Bengaluru corridor (part)]
Generated description
The Chennai–Bengaluru corridor is a major high-density rail route in southern India connecting the metropolitan cities of Chennai and Bengaluru, serving as a key passenger and freight link in the region.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chennai–Bengaluru corridor (part) Target entity description: The Chennai–Bengaluru corridor is a major high-density rail route in southern India connecting the metropolitan cities of Chennai and Bengaluru, serving as a key passenger and freight link in the region.
-
A.
Chennai–Bengaluru Industrial Corridor
The Chennai–Bengaluru Industrial Corridor is a major infrastructure and economic development project in southern India aimed at boosting manufacturing, logistics, and urban growth between the cities of Chennai and Bengaluru.
-
B.
Whitefield–Kengeri corridor
The Whitefield–Kengeri corridor is a major east–west stretch of Bengaluru’s Namma Metro network connecting the Whitefield area to Kengeri through the city.
-
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.
Chennai–Kolkata highway corridor
The Chennai–Kolkata highway corridor is a major arterial road network in eastern India that connects the southern metropolis of Chennai with the eastern city of Kolkata, facilitating long-distance transport and regional trade.
-
E.
Hyderabad–Bangalore route
The Hyderabad–Bangalore route is a major railway corridor in southern India connecting the cities of Hyderabad in Telangana and Bangalore in Karnataka, passing through key intermediate stations such as Mahbubnagar.
- 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_69d8076cc45c81908123123f43e69266 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69d97f2a71a0819098bb6cf8a4b2208a |
completed | April 10, 2026, 10:52 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6cbd12eec81908ad5dae638c2210e |
completed | May 3, 2026, 4:15 a.m. |
| NEDg | Description generation | batch_69f6cdc285788190a05a51295306f087 |
completed | May 3, 2026, 4:23 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6ceafcca88190bcd65be3c4440987 |
completed | May 3, 2026, 4:27 a.m. |
Created at: April 9, 2026, 8:55 p.m.