Triple
T14046934
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station |
E337979
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Chennai–Bengaluru line |
E975715
|
NE FINISHED |
How this triple was built (2 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 line | Statement: [Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station, railwayLine, Chennai–Bengaluru line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chennai–Bengaluru line Context triple: [Puratchi Thalaivar Dr. M.G. Ramachandran Central Railway Station, railwayLine, Chennai–Bengaluru line]
-
A.
Chennai–Bangalore line
chosen
The Chennai–Bangalore line is a major Indian Railways trunk route connecting the cities of Chennai in Tamil Nadu and Bengaluru in Karnataka, serving numerous intermediate towns and suburban areas.
-
B.
Chennai–Thiruvananthapuram line
The Chennai–Thiruvananthapuram line is a major Indian Railways route in South India that connects Tamil Nadu’s capital Chennai with Kerala’s capital Thiruvananthapuram, serving numerous important cities and towns along the way.
-
C.
Chennai–Tiruchirappalli line
The Chennai–Tiruchirappalli line is a major electrified broad-gauge railway corridor in Tamil Nadu, India, connecting the state capital Chennai with the important inland city of Tiruchirappalli and forming part of the busy Southern Railway network.
-
D.
Chennai–Coimbatore line
The Chennai–Coimbatore line is a major railway route in the Indian state of Tamil Nadu that connects the state capital Chennai with the industrial city of Coimbatore, serving as a key corridor for both passenger and freight traffic.
-
E.
Mumbai–Bengaluru line
The Mumbai–Bengaluru line is a major Indian railway route connecting the financial hub of Mumbai with the southern metropolis of Bengaluru, passing through key cities in Maharashtra, Karnataka, and neighboring states.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d81c664e48819088cbd8f433aeffe5 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de312df37081909f45ce3e219af5dc |
completed | April 14, 2026, 12:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcb65c1a90819097754497f07f5312 |
completed | May 7, 2026, 3:57 p.m. |
Created at: April 9, 2026, 10:20 p.m.