Triple
T9928227
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Toyohashi |
E192576
|
entity |
| Predicate | servedByRailway |
P848
|
FINISHED |
| Object | Nagoya Railroad lines |
E525362
|
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: Nagoya Railroad lines | Statement: [Toyohashi, servedByRailway, Nagoya Railroad lines]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nagoya Railroad lines Context triple: [Toyohashi, servedByRailway, Nagoya Railroad lines]
-
A.
Nagoya Railroad freight lines
Nagoya Railroad freight lines are a network of rail freight routes in the Nagoya region that transport cargo, including goods to and from the Port of Nagoya, supporting the area's industrial and logistical infrastructure.
-
B.
Keisei Electric Railway lines
Keisei Electric Railway lines are a group of private railway routes in the Greater Tokyo area best known for linking central Tokyo with Narita International Airport and serving commuter and interurban travel in Chiba Prefecture.
-
C.
Kintetsu Railway lines
Kintetsu Railway lines are a network of private railway routes in Japan operated by Kintetsu Corporation, connecting major cities and regional areas across the Kansai, Tōkai, and Shikoku regions.
-
D.
Kintetsu Nagoya Line
The Kintetsu Nagoya Line is a major private railway line in Japan connecting Nagoya with cities in Mie Prefecture, serving as an important commuter and intercity route.
-
E.
Meitetsu Nagoya Main Line
chosen
The Meitetsu Nagoya Main Line is a major private railway line in Japan’s Chubu region that connects Nagoya with surrounding cities and serves as a key commuter and intercity route.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69ca82dd978c8190947124ab0d3315ac |
completed | March 30, 2026, 2:04 p.m. |
| NER | Named-entity recognition | batch_69cdb59d7ad08190982a1584547190bd |
completed | April 2, 2026, 12:17 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d228cab0fc81908ff5fad6916c1bab |
completed | April 5, 2026, 9:18 a.m. |
Created at: March 30, 2026, 8:43 p.m.