Triple
T16944943
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Gongyixiqiao station |
E411043
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Beijing MTR Corporation Limited |
E67416
|
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: Beijing MTR Corporation Limited | Statement: [Gongyixiqiao station, operator, Beijing MTR Corporation Limited]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Beijing MTR Corporation Limited Context triple: [Gongyixiqiao station, operator, Beijing MTR Corporation Limited]
-
A.
Beijing MTR Corporation Limited
chosen
Beijing MTR Corporation Limited is a joint-venture rail transit company responsible for operating and managing several lines of the Beijing Subway system.
-
B.
Beijing Capital Metro Co., Ltd.
Beijing Capital Metro Co., Ltd. is a transit company responsible for operating metro services associated with Beijing Capital International Airport, including its Terminal 3 station.
-
C.
Beijing Mass Transit Railway Operation Corporation Limited
Beijing Mass Transit Railway Operation Corporation Limited is a state-owned company responsible for operating and managing much of the Beijing Subway system.
-
D.
MTR Corporation (Shanghai) Limited
MTR Corporation (Shanghai) Limited is the Shanghai-based subsidiary of Hong Kong’s MTR Corporation, responsible for investing in and operating urban rail transit projects in mainland China.
-
E.
Shenzhen Metro Group
Shenzhen Metro Group is the state-owned company responsible for constructing, operating, and managing the urban rail transit network in Shenzhen, China.
- 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_69d886c886688190967be07322597ac9 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3cfb14b788190be5b7f9c00c3e7ea |
completed | April 18, 2026, 6:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00cfeca4208190a3b9270869063d3d |
completed | May 10, 2026, 6:35 p.m. |
Created at: April 10, 2026, 5:31 a.m.