Triple
T14082298
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Saidapet |
E338896
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
Saidapet railway station
Saidapet railway station is a suburban rail station in Chennai, India, serving the Saidapet neighborhood on the Chennai Beach–Tambaram line.
|
E1084065
|
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: Saidapet railway station | Statement: [Saidapet, hasRailwayStation, Saidapet railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Saidapet railway station Context triple: [Saidapet, hasRailwayStation, Saidapet railway station]
-
A.
Velachery railway station
Velachery railway station is a major terminal on Chennai's Mass Rapid Transit System (MRTS) serving the Velachery neighborhood in south Chennai.
-
B.
Tambaram railway station
Tambaram railway station is a major suburban and long-distance rail hub in the Chennai metropolitan area, serving as a key terminus and transit point for commuters and regional travelers in Tamil Nadu, India.
-
C.
Kodambakkam railway station
Kodambakkam railway station is a suburban rail stop in Chennai, India, serving the Kodambakkam neighborhood on the city’s Mass Rapid Transit and suburban railway network.
-
D.
Avadi railway station
Avadi railway station is a major suburban rail hub serving the Avadi area in the Chennai metropolitan region of Tamil Nadu, India.
-
E.
Chepauk MRTS station
Chepauk MRTS station is an elevated suburban railway station in Chennai, India, serving the Mass Rapid Transit System near the Chepauk area and its prominent institutions.
- 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: Saidapet railway station Triple: [Saidapet, hasRailwayStation, Saidapet railway station]
Generated description
Saidapet railway station is a suburban rail station in Chennai, India, serving the Saidapet neighborhood on the Chennai Beach–Tambaram line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Saidapet railway station Target entity description: Saidapet railway station is a suburban rail station in Chennai, India, serving the Saidapet neighborhood on the Chennai Beach–Tambaram line.
-
A.
Velachery railway station
Velachery railway station is a major terminal on Chennai's Mass Rapid Transit System (MRTS) serving the Velachery neighborhood in south Chennai.
-
B.
Tambaram railway station
Tambaram railway station is a major suburban and long-distance rail hub in the Chennai metropolitan area, serving as a key terminus and transit point for commuters and regional travelers in Tamil Nadu, India.
-
C.
Kodambakkam railway station
Kodambakkam railway station is a suburban rail stop in Chennai, India, serving the Kodambakkam neighborhood on the city’s Mass Rapid Transit and suburban railway network.
-
D.
Avadi railway station
Avadi railway station is a major suburban rail hub serving the Avadi area in the Chennai metropolitan region of Tamil Nadu, India.
-
E.
Chepauk MRTS station
Chepauk MRTS station is an elevated suburban railway station in Chennai, India, serving the Mass Rapid Transit System near the Chepauk area and its prominent institutions.
- 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_69d81c687b0c819087fd9ed4198403f8 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de5c5f759c81909bfd60ab35b0937b |
completed | April 14, 2026, 3:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcf7dc62b081909f3c9259295064cf |
completed | May 7, 2026, 8:36 p.m. |
| NEDg | Description generation | batch_69fd066f900c8190a4e2674a25a6f510 |
completed | May 7, 2026, 9:38 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fd06e35174819098c33a741f1581fc |
completed | May 7, 2026, 9:40 p.m. |
Created at: April 9, 2026, 10:21 p.m.