Triple
T14046878
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chennai railway division |
E337978
|
entity |
| Predicate | hasImportantStation |
P1071
|
FINISHED |
| Object |
Tiruvallur railway station
Tiruvallur railway station is a key suburban and regional rail hub serving the town of Tiruvallur in the Chennai metropolitan area of Tamil Nadu, India.
|
E1076144
|
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: Tiruvallur railway station | Statement: [Chennai railway division, hasImportantStation, Tiruvallur railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tiruvallur railway station Context triple: [Chennai railway division, hasImportantStation, Tiruvallur railway station]
-
A.
Tirunelveli Junction railway station
Tirunelveli Junction railway station is a major rail hub in Tamil Nadu, India, serving as the primary junction connecting Tirunelveli with key cities across the region and country.
-
B.
Tiruttani railway station
Tiruttani railway station is a regional rail stop in Tamil Nadu, India, serving the town of Tiruttani and its surrounding areas on key routes connecting major cities.
-
C.
Tiruchirappalli Junction railway station
Tiruchirappalli Junction railway station is a major railway hub in Tamil Nadu, India, serving as one of the busiest and most important junctions in the Southern Railway zone.
-
D.
Thrissur railway station
Thrissur railway station is a major rail hub in Kerala, India, serving the city of Thrissur with extensive regional and long-distance train connections.
-
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: Tiruvallur railway station Triple: [Chennai railway division, hasImportantStation, Tiruvallur railway station]
Generated description
Tiruvallur railway station is a key suburban and regional rail hub serving the town of Tiruvallur in the Chennai metropolitan area of Tamil Nadu, India.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tiruvallur railway station Target entity description: Tiruvallur railway station is a key suburban and regional rail hub serving the town of Tiruvallur in the Chennai metropolitan area of Tamil Nadu, India.
-
A.
Tirunelveli Junction railway station
Tirunelveli Junction railway station is a major rail hub in Tamil Nadu, India, serving as the primary junction connecting Tirunelveli with key cities across the region and country.
-
B.
Tiruttani railway station
Tiruttani railway station is a regional rail stop in Tamil Nadu, India, serving the town of Tiruttani and its surrounding areas on key routes connecting major cities.
-
C.
Tiruchirappalli Junction railway station
Tiruchirappalli Junction railway station is a major railway hub in Tamil Nadu, India, serving as one of the busiest and most important junctions in the Southern Railway zone.
-
D.
Thrissur railway station
Thrissur railway station is a major rail hub in Kerala, India, serving the city of Thrissur with extensive regional and long-distance train connections.
-
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_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_69fbc34332448190b044f55f0f85d5e2 |
completed | May 6, 2026, 10:40 p.m. |
| NEDg | Description generation | batch_69fc43623d608190bee3ebd08ffa01e6 |
completed | May 7, 2026, 7:46 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fc43e71f708190903a63388b664ba5 |
completed | May 7, 2026, 7:48 a.m. |
Created at: April 9, 2026, 10:20 p.m.