Triple
T3216798
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Beijing MTR Corporation Limited |
E67416
|
entity |
| Predicate | operates |
P24
|
FINISHED |
| Object | Beijing Subway Line 4 |
E332211
|
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 Subway Line 4 | Statement: [Beijing MTR Corporation Limited, operates, Beijing Subway Line 4]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Beijing Subway Line 4 Context triple: [Beijing MTR Corporation Limited, operates, Beijing Subway Line 4]
-
A.
Line 4 (Beijing Subway)
chosen
Line 4 of the Beijing Subway is a major north–south rapid transit line serving central Beijing, connecting key commercial, residential, and cultural areas and linking with multiple other subway lines.
-
B.
Batong Line (Beijing Subway)
The Batong Line of the Beijing Subway is an eastern suburban rapid transit line that extends the main network into the Tongzhou District, serving as a key commuter corridor for residents traveling to and from central Beijing.
-
C.
Changping Line (Beijing Subway)
The Changping Line of the Beijing Subway is a rapid transit line serving Beijing’s northern Changping District, linking suburban residential areas and university zones with the city’s urban rail network.
-
D.
Yanfang Line (Beijing Subway)
The Yanfang Line of the Beijing Subway is a suburban rapid transit line serving the southwestern outskirts of Beijing, designed to improve connectivity for outlying districts to the main urban rail network.
-
E.
Daxing Line (Beijing Subway)
The Daxing Line of the Beijing Subway is a rapid transit line serving Beijing’s southern Daxing District, linking it with the central city and integrating into the broader subway network.
- 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_69ad858b8adc8190ad989712c87a476b |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69adab096b588190b22e41a76263ae92 |
completed | March 8, 2026, 4:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bb808e7f94819086fbad85d6aed33e |
completed | March 19, 2026, 4:50 a.m. |
Created at: March 8, 2026, 3:08 p.m.