Triple
T16536415
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Marunouchi business district |
E401702
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | JR East rail lines |
E694153
|
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: JR East rail lines | Statement: [Marunouchi business district, servedBy, JR East rail lines]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR East rail lines Context triple: [Marunouchi business district, servedBy, JR East rail lines]
-
A.
JR East rail lines
chosen
JR East rail lines are a network of passenger railway services operated by the East Japan Railway Company that connect major cities and regions across eastern Honshu, including Chiba.
-
B.
JR East Keiyō Line
The JR East Keiyō Line is a railway line in the Tokyo–Chiba area of Japan that runs along the Tokyo Bay waterfront, linking central Tokyo with destinations such as Maihama (Tokyo Disney Resort) and Chiba.
-
C.
JR Tōzai Line
The JR Tōzai Line is a commuter rail line in the Kansai region of Japan operated by West Japan Railway Company (JR West), connecting Kyōbashi in Osaka with Amagasaki in Hyōgo via central Osaka.
-
D.
JR East Joban Line
The JR East Joban Line is a major railway line in Japan operated by East Japan Railway Company, running between central Tokyo and the Tohoku region along the Pacific coast.
-
E.
JR Central conventional lines
JR Central conventional lines are the network of standard (non–Shinkansen) passenger and freight railway lines operated by Central Japan Railway Company across the Chūbu region of Japan.
- 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_69d88384bc30819084229e7dcdc39a41 |
completed | April 10, 2026, 4:58 a.m. |
| NER | Named-entity recognition | batch_69e34558ec448190a6dcc15d62d1889c |
completed | April 18, 2026, 8:48 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a006094dee481908757b84c10d0dc19 |
completed | May 10, 2026, 10:40 a.m. |
Created at: April 10, 2026, 5:15 a.m.