Triple
T23496678
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kannur railway station |
E571722
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Mangalore–Palakkad line |
—
|
NE NERFINISHED |
How this triple was built (3 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: Mangalore–Palakkad line | Statement: [Kannur railway station, railwayLine, Mangalore–Palakkad line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mangalore–Palakkad line Context triple: [Kannur railway station, railwayLine, Mangalore–Palakkad line]
-
A.
Coimbatore–Shoranur line
The Coimbatore–Shoranur line is a key broad-gauge railway route in southern India that connects Coimbatore in Tamil Nadu with Shoranur in Kerala, facilitating major passenger and freight movement between the two states.
-
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.
Jolarpettai–Shoranur line
The Jolarpettai–Shoranur line is a major broad-gauge railway route in southern India that connects Tamil Nadu with Kerala, serving as an important corridor for both passenger and freight traffic.
-
D.
Chennai–Bangalore line
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.
-
E.
Bengaluru–Tumakuru line
The Bengaluru–Tumakuru line is a key suburban and intercity railway corridor in Karnataka, India, connecting the major urban centers of Bengaluru and Tumakuru and serving as an important route for both passenger and freight traffic.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mangalore–Palakkad line Target entity description: The Mangalore–Palakkad line is a major railway route in southern India that runs along the Malabar Coast, connecting the coastal city of Mangalore in Karnataka with Palakkad in Kerala and serving numerous important towns and cities in between.
-
A.
Coimbatore–Shoranur line
The Coimbatore–Shoranur line is a key broad-gauge railway route in southern India that connects Coimbatore in Tamil Nadu with Shoranur in Kerala, facilitating major passenger and freight movement between the two states.
-
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.
Jolarpettai–Shoranur line
The Jolarpettai–Shoranur line is a major broad-gauge railway route in southern India that connects Tamil Nadu with Kerala, serving as an important corridor for both passenger and freight traffic.
-
D.
Chennai–Bangalore line
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.
-
E.
Bengaluru–Tumakuru line
The Bengaluru–Tumakuru line is a key suburban and intercity railway corridor in Karnataka, India, connecting the major urban centers of Bengaluru and Tumakuru and serving as an important route for both passenger and freight traffic.
- F. None of above. chosen
Provenance (2 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_69e245b4829881909b77a70e942bbd54 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f1a7e00384819092729319a378d4ab |
completed | April 29, 2026, 6:40 a.m. |
Created at: April 17, 2026, 6:05 p.m.