Triple
T14307131
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Line 13 (Beijing Subway) |
E354726
|
entity |
| Predicate | rollingStock |
P1305
|
FINISHED |
| Object |
DKZ4 trains
DKZ4 trains are a type of electric multiple unit used to operate passenger services on Beijing's urban rapid transit network.
|
E1090961
|
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: DKZ4 trains | Statement: [Line 13 (Beijing Subway), rollingStock, DKZ4 trains]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: DKZ4 trains Context triple: [Line 13 (Beijing Subway), rollingStock, DKZ4 trains]
-
A.
NS-74 trains
NS-74 trains are a series of electric multiple units used on the Santiago Metro system in Chile, known for their long service history and role in the network’s expansion.
-
B.
K train
The K train was a former New York City Subway service designation that operated on parts of the Brooklyn–Manhattan Transit (BMT) system before being discontinued.
-
C.
NS-93 trains
NS-93 trains are a class of electric multiple-unit metro trains used on the Santiago Metro system in Chile.
-
D.
QJ train
The QJ train was a former New York City Subway service that operated in Brooklyn and Queens, primarily running along the Jamaica and Broadway–Brooklyn lines before being discontinued in the 1970s.
-
E.
DT3 train
The DT3 train is a type of electric multiple unit specifically designed for and operated on the Nuremberg U-Bahn rapid transit system in Germany.
- 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: DKZ4 trains Triple: [Line 13 (Beijing Subway), rollingStock, DKZ4 trains]
Generated description
DKZ4 trains are a type of electric multiple unit used to operate passenger services on Beijing's urban rapid transit network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: DKZ4 trains Target entity description: DKZ4 trains are a type of electric multiple unit used to operate passenger services on Beijing's urban rapid transit network.
-
A.
NS-74 trains
NS-74 trains are a series of electric multiple units used on the Santiago Metro system in Chile, known for their long service history and role in the network’s expansion.
-
B.
K train
The K train was a former New York City Subway service designation that operated on parts of the Brooklyn–Manhattan Transit (BMT) system before being discontinued.
-
C.
NS-93 trains
NS-93 trains are a class of electric multiple-unit metro trains used on the Santiago Metro system in Chile.
-
D.
QJ train
The QJ train was a former New York City Subway service that operated in Brooklyn and Queens, primarily running along the Jamaica and Broadway–Brooklyn lines before being discontinued in the 1970s.
-
E.
DT3 train
The DT3 train is a type of electric multiple unit specifically designed for and operated on the Nuremberg U-Bahn rapid transit system in Germany.
- 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_69d8278ed42c8190b9f882dcce611347 |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de85b156b0819083f2bd319deed1b6 |
completed | April 14, 2026, 6:21 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd3d2c32648190bc8bb26d57df57f5 |
completed | May 8, 2026, 1:32 a.m. |
| NEDg | Description generation | batch_69fd3e3d3e2c81909945253c26e19cee |
completed | May 8, 2026, 1:37 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fd3ebe4f008190aec72ed7e23c4cd4 |
completed | May 8, 2026, 1:39 a.m. |
Created at: April 10, 2026, 1:12 a.m.