Triple
T12064786
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tachikawa |
E287266
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
Tachikawa-Kita Station
Tachikawa-Kita Station is a monorail railway station in Tachikawa, Tokyo, serving as part of the Tama Toshi Monorail Line.
|
E1540880
|
NE FINISHED |
How this triple was built (4 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: Tachikawa-Kita Station | Statement: [Tachikawa, hasRailwayStation, Tachikawa-Kita Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tachikawa-Kita Station Context triple: [Tachikawa, hasRailwayStation, Tachikawa-Kita Station]
-
A.
Tachikawa Station
Tachikawa Station is a major railway hub in Tachikawa, Tokyo, serving multiple JR East lines and acting as a key transit point in western Tokyo.
-
B.
Naka-Urawa Station
Naka-Urawa Station is a railway station in Saitama, Japan, operated by JR East on a major commuter route connecting central Tokyo with the surrounding suburbs.
-
C.
Futako-Tamagawa Station
Futako-Tamagawa Station is a major railway hub in Tokyo’s Setagaya ward, serving as a key transit point and gateway to the Futako-Tamagawa shopping and business district along the Tama River.
-
D.
Shintomichō Station
Shintomichō Station is a subway station in Tokyo, Japan, served by the Tokyo Metro Yurakuchō Line.
-
E.
Ishikawacho Station
Ishikawacho Station is a railway station in Yokohama, Japan, serving as a key access point to the historic Yamate district and nearby tourist attractions such as Chinatown.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Tachikawa-Kita Station Triple: [Tachikawa, hasRailwayStation, Tachikawa-Kita Station]
Generated description
Tachikawa-Kita Station is a monorail railway station in Tachikawa, Tokyo, serving as part of the Tama Toshi Monorail Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tachikawa-Kita Station Target entity description: Tachikawa-Kita Station is a monorail railway station in Tachikawa, Tokyo, serving as part of the Tama Toshi Monorail Line.
-
A.
Tachikawa Station
Tachikawa Station is a major railway hub in Tachikawa, Tokyo, serving multiple JR East lines and acting as a key transit point in western Tokyo.
-
B.
Naka-Urawa Station
Naka-Urawa Station is a railway station in Saitama, Japan, operated by JR East on a major commuter route connecting central Tokyo with the surrounding suburbs.
-
C.
Futako-Tamagawa Station
Futako-Tamagawa Station is a major railway hub in Tokyo’s Setagaya ward, serving as a key transit point and gateway to the Futako-Tamagawa shopping and business district along the Tama River.
-
D.
Shintomichō Station
Shintomichō Station is a subway station in Tokyo, Japan, served by the Tokyo Metro Yurakuchō Line.
-
E.
Ishikawacho Station
Ishikawacho Station is a railway station in Yokohama, Japan, serving as a key access point to the historic Yamate district and nearby tourist attractions such as Chinatown.
- F. None of above. chosen
Provenance (5 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_69d6ab4846e081908ee7bbd66a6d3459 |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d90440dd988190ae2b80367aceb6f7 |
completed | April 10, 2026, 2:08 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0b17c7198c8190b96754a4a0b317c1 |
completed | May 18, 2026, 1:44 p.m. |
| NEDg | Description generation | batch_6a0b1ac642408190bb265ec0a797daf2 |
completed | May 18, 2026, 1:57 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0b1b28377c8190a6c28b470ee5f1f8 |
completed | May 18, 2026, 1:59 p.m. |
Created at: April 8, 2026, 9:48 p.m.