Triple
T13053555
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mettur |
E327507
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
Mettur Dam railway station
Mettur Dam railway station is a regional rail station in Tamil Nadu, India, serving the town of Mettur and providing access to the nearby Mettur Dam and surrounding industrial and residential areas.
|
E1018411
|
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: Mettur Dam railway station | Statement: [Mettur, hasRailwayStation, Mettur Dam railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mettur Dam railway station Context triple: [Mettur, hasRailwayStation, Mettur Dam railway station]
-
A.
Badami railway station
Badami railway station is a regional rail stop in Karnataka, India, serving the historic town of Badami and its nearby cave temple complexes.
-
B.
Palani railway station
Palani railway station is a regional rail hub in Tamil Nadu, India, serving the pilgrimage town of Palani and providing connectivity to major cities in the region.
-
C.
Srirangam railway station
Srirangam railway station is a regional rail hub in Tamil Nadu, India, serving the temple town of Srirangam and connecting it to major cities in the state and beyond.
-
D.
Nallasopara railway station
Nallasopara railway station is a busy suburban rail stop in the northern Mumbai Metropolitan Region, serving the Nallasopara area on the Mumbai Suburban Railway network.
-
E.
Kumbakonam railway station
Kumbakonam railway station is a major rail hub in the town of Kumbakonam in Tamil Nadu, India, serving as an important junction for regional and pilgrimage travel.
- 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: Mettur Dam railway station Triple: [Mettur, hasRailwayStation, Mettur Dam railway station]
Generated description
Mettur Dam railway station is a regional rail station in Tamil Nadu, India, serving the town of Mettur and providing access to the nearby Mettur Dam and surrounding industrial and residential areas.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mettur Dam railway station Target entity description: Mettur Dam railway station is a regional rail station in Tamil Nadu, India, serving the town of Mettur and providing access to the nearby Mettur Dam and surrounding industrial and residential areas.
-
A.
Badami railway station
Badami railway station is a regional rail stop in Karnataka, India, serving the historic town of Badami and its nearby cave temple complexes.
-
B.
Palani railway station
Palani railway station is a regional rail hub in Tamil Nadu, India, serving the pilgrimage town of Palani and providing connectivity to major cities in the region.
-
C.
Srirangam railway station
Srirangam railway station is a regional rail hub in Tamil Nadu, India, serving the temple town of Srirangam and connecting it to major cities in the state and beyond.
-
D.
Nallasopara railway station
Nallasopara railway station is a busy suburban rail stop in the northern Mumbai Metropolitan Region, serving the Nallasopara area on the Mumbai Suburban Railway network.
-
E.
Kumbakonam railway station
Kumbakonam railway station is a major rail hub in the town of Kumbakonam in Tamil Nadu, India, serving as an important junction for regional and pilgrimage travel.
- 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_69d8076e64308190904fb5c93517c901 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69d980bb52d88190b5be12000e27a2c9 |
completed | April 10, 2026, 10:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6cbdcc3e881908d9a246558b1c20e |
completed | May 3, 2026, 4:15 a.m. |
| NEDg | Description generation | batch_69f6cd0e88e08190a07468336bb624f0 |
completed | May 3, 2026, 4:20 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69f6ce23ca208190960409130c4c52a9 |
completed | May 3, 2026, 4:25 a.m. |
Created at: April 9, 2026, 8:58 p.m.