Triple
T13827169
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sumida City |
E332279
|
entity |
| Predicate | hasTransportation |
P105
|
FINISHED |
| Object | JR Sōbu Line |
—
|
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: JR Sōbu Line | Statement: [Sumida City, hasTransportation, JR Sōbu Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: JR Sōbu Line Context triple: [Sumida City, hasTransportation, JR Sōbu Line]
-
A.
JR Jōban Line
The JR Jōban Line is a major Japanese railway line operated by JR East that runs from central Tokyo through Chiba and Ibaraki Prefectures toward the Tōhoku region.
-
B.
JR Yumesaki Line
The JR Yumesaki Line is a railway line in Osaka, Japan, operated by JR West that connects central Osaka with the bay area, including major attractions such as Universal Studios Japan.
-
C.
JR Katamachi Line
The JR Katamachi Line, also known as the Gakkentoshi Line, is a commuter rail line in the Osaka–Kyoto region of Japan operated by JR West that connects central Osaka with suburban cities including Hirakata.
-
D.
Sōbu Line
chosen
The Sōbu Line is a major Japan Railways (JR) commuter and intercity railway line in the Tokyo–Chiba area, connecting central Tokyo with eastern suburbs and cities in Chiba Prefecture.
-
E.
Nambu Line
The Nambu Line is a railway line in the Tokyo metropolitan area of Japan operated by JR East, connecting Kawasaki in Kanagawa Prefecture with Tachikawa in western Tokyo and serving as a key commuter route.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d81c5ae7c88190b0dd41bdafeb5999 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de0295d2d48190b08eba0d805bd72d |
completed | April 14, 2026, 9:02 a.m. |
Created at: April 9, 2026, 10:13 p.m.