Triple
T25682929
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chennai–Tiruchirappalli line |
E643988
|
entity |
| Predicate | administrativeRailwayZoneHeadquarters |
P169527
|
FINISHED |
| Object | Chennai |
—
|
NE NERFINISHED |
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: Chennai | Statement: [Chennai–Tiruchirappalli line, administrativeRailwayZoneHeadquarters, Chennai]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: administrativeRailwayZoneHeadquarters Context triple: [Chennai–Tiruchirappalli line, administrativeRailwayZoneHeadquarters, Chennai]
-
A.
railwayZoneHeadquartersFor
Indicates that a location serves as the administrative headquarters for a particular railway zone.
-
B.
railwayDivisionHeadquartersOf
Indicates that one location serves as the administrative headquarters for a specified railway division.
-
C.
hasRailwayHeadquarters
Indicates that a railway organization or system has its main administrative or operational headquarters located at a specified place.
-
D.
railPortalLocation
Indicates the geographic location or position of a rail portal (such as a tunnel or access point) relative to other referenced entities.
-
E.
railwayDivision
Indicates that one administrative railway division is responsible for, manages, or encompasses another railway unit, line, or area within a rail network.
- F. None of above. chosen
Provenance (4 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_69e77e8046888190b07ffa58c7e2c37a |
completed | April 21, 2026, 1:41 p.m. |
| NER | Named-entity recognition | batch_69f67fc237608190b6542b56038a7fe4 |
completed | May 2, 2026, 10:50 p.m. |
| PD | Predicate disambiguation | batch_69f67e3ed894819094c067c1ef624951 |
completed | May 2, 2026, 10:44 p.m. |
| PDg | Predicate description generation | batch_69f67f0353c88190a05b2db449abe0f4 |
completed | May 2, 2026, 10:47 p.m. |
Created at: April 21, 2026, 8:03 p.m.