Triple
T14437581
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tsukuba Express |
E358003
|
entity |
| Predicate | servesArea |
P82
|
FINISHED |
| Object | Tsukuba Science City |
E265818
|
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: Tsukuba Science City | Statement: [Tsukuba Express, servesArea, Tsukuba Science City]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tsukuba Science City Context triple: [Tsukuba Express, servesArea, Tsukuba Science City]
-
A.
Tsukuba Science City
chosen
Tsukuba Science City is a planned research and academic hub in Ibaraki Prefecture, Japan, known for its concentration of universities, national laboratories, and high-tech industries.
-
B.
Tsukuba Center
Tsukuba Center is a major commercial and transportation hub in Tsukuba, Japan, featuring shopping, offices, and access to local and regional transit.
-
C.
Tsukuba International Congress Center
Tsukuba International Congress Center is a major convention and conference facility in Tsukuba, Japan, used for international academic, scientific, and professional events.
-
D.
Tsukuba Expo Center
Tsukuba Expo Center is a science museum and planetarium in Tsukuba, Japan, known for its interactive exhibits on science and technology.
-
E.
Expo '85 Tsukuba
Expo '85 Tsukuba was the 1985 World's Fair held in Tsukuba, Japan, showcasing cutting-edge science and technology exhibits from around the globe.
- 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_69d8279402a88190821ffa39ae15bccf |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de914a45ec81909ab8ccf302047d7f |
completed | April 14, 2026, 7:11 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd5bd7f46881908df1a1cea7b6af9b |
completed | May 8, 2026, 3:43 a.m. |
Created at: April 10, 2026, 1:18 a.m.