Triple
T32177549
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Thirumayilai metro station |
E821894
|
entity |
| Predicate | servedByLine |
P1293
|
FINISHED |
| Object |
Blue Line (Chennai Metro)
Blue Line (Chennai Metro) is one of the main rapid transit corridors of the Chennai Metro system in Chennai, India, connecting key residential and commercial areas across the city.
|
E1995036
|
NE FINISHED |
How this triple was built (2 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: Blue Line (Chennai Metro) | Statement: [Thirumayilai metro station, servedByLine, Blue Line (Chennai Metro)]
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: Blue Line (Chennai Metro) Triple: [Thirumayilai metro station, servedByLine, Blue Line (Chennai Metro)]
Generated description
Blue Line (Chennai Metro) is one of the main rapid transit corridors of the Chennai Metro system in Chennai, India, connecting key residential and commercial areas across the city.
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_69f3490755288190aee11740a34862f9 |
completed | April 30, 2026, 12:20 p.m. |
| NER | Named-entity recognition | batch_69f6ba7a3efc819084fb3c8175044458 |
completed | May 3, 2026, 3:01 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a2f0be0fbe88190a1f34d8f161ca607 |
completed | June 14, 2026, 8:15 p.m. |
| NEDg | Description generation | batch_6a2f15c01ddc8190917b27116de5192e |
completed | June 14, 2026, 8:57 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a2f161bae0c81908f76582676bdf681 |
completed | June 14, 2026, 8:59 p.m. |
Created at: May 1, 2026, 12:34 a.m.