Triple
T9743637
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chepauk |
E236251
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
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.
|
E817779
|
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: Chepauk MRTS station | Statement: [Chepauk, hasLandmark, Chepauk MRTS station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chepauk MRTS station Context triple: [Chepauk, hasLandmark, Chepauk MRTS station]
-
A.
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.
-
B.
Vandalur railway station
Vandalur railway station is a suburban rail stop in Chennai, India, serving as a key access point for visitors to the nearby Arignar Anna Zoological Park.
-
C.
Chennai Central Metro
Chennai Central Metro is a major underground interchange station in Chennai, India, connecting the Chennai Metro network with the city’s primary railway terminus and other urban transit services.
-
D.
Nadaprabhu Kempegowda Metro Station
Nadaprabhu Kempegowda Metro Station is a major interchange and transit hub in Bengaluru’s Namma Metro network, connecting multiple lines and serving as one of the city’s busiest urban rail stations.
-
E.
GTB Nagar metro station
GTB Nagar metro station is a Delhi Metro station in North Delhi that serves as a key access point to the University of Delhi’s North Campus and surrounding student areas.
- 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: Chepauk MRTS station Triple: [Chepauk, hasLandmark, Chepauk MRTS station]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chepauk MRTS station Target entity description: 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.
-
A.
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.
-
B.
Vandalur railway station
Vandalur railway station is a suburban rail stop in Chennai, India, serving as a key access point for visitors to the nearby Arignar Anna Zoological Park.
-
C.
Chennai Central Metro
Chennai Central Metro is a major underground interchange station in Chennai, India, connecting the Chennai Metro network with the city’s primary railway terminus and other urban transit services.
-
D.
Nadaprabhu Kempegowda Metro Station
Nadaprabhu Kempegowda Metro Station is a major interchange and transit hub in Bengaluru’s Namma Metro network, connecting multiple lines and serving as one of the city’s busiest urban rail stations.
-
E.
GTB Nagar metro station
GTB Nagar metro station is a Delhi Metro station in North Delhi that serves as a key access point to the University of Delhi’s North Campus and surrounding student areas.
- 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_69ca84d3e24481908a476e2231123cf9 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cd9f2e5bb081908047e3bf5fe3991c |
completed | April 1, 2026, 10:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1affb761881908dde9a4f028c32f6 |
completed | April 5, 2026, 12:42 a.m. |
| NEDg | Description generation | batch_69d1b0f7a68481909de080dd78f883a8 |
completed | April 5, 2026, 12:46 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d1b17bd97c8190b77815db5a6a70d9 |
completed | April 5, 2026, 12:49 a.m. |
Created at: March 30, 2026, 8:23 p.m.