Triple
T16092112
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Marunouchi Line |
E390381
|
entity |
| Predicate | formerRollingStock |
P29565
|
FINISHED |
| Object |
TRTA 300 series
The TRTA 300 series was an early generation of electric multiple unit trains that operated on Tokyo's Marunouchi Line under the former Teito Rapid Transit Authority.
|
E1194825
|
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: TRTA 300 series | Statement: [Marunouchi Line, formerRollingStock, TRTA 300 series]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: TRTA 300 series Context triple: [Marunouchi Line, formerRollingStock, TRTA 300 series]
-
A.
RTR
RTR is a Swiss public broadcasting division that produces and distributes radio, television, and online content in the Romansh language.
-
B.
RTR
RTR is the commonly used nickname for the Recruit Training Regiment, a military unit responsible for initial training of new recruits.
-
C.
TR-1A
The TR-1A is a high-altitude tactical reconnaissance aircraft developed from the Lockheed U-2, optimized for battlefield surveillance and intelligence-gathering missions.
-
D.
TR-25
TR-25 is the statistical and administrative region code assigned to Turkey’s Erzurum Province.
-
E.
TRTA
TRTA is the acronym for the Tahoe Rim Trail Association, a nonprofit organization dedicated to building, maintaining, and promoting the Tahoe Rim Trail around Lake Tahoe.
- 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: TRTA 300 series Triple: [Marunouchi Line, formerRollingStock, TRTA 300 series]
Generated description
The TRTA 300 series was an early generation of electric multiple unit trains that operated on Tokyo's Marunouchi Line under the former Teito Rapid Transit Authority.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: TRTA 300 series Target entity description: The TRTA 300 series was an early generation of electric multiple unit trains that operated on Tokyo's Marunouchi Line under the former Teito Rapid Transit Authority.
-
A.
RTR
RTR is a Swiss public broadcasting division that produces and distributes radio, television, and online content in the Romansh language.
-
B.
RTR
RTR is the commonly used nickname for the Recruit Training Regiment, a military unit responsible for initial training of new recruits.
-
C.
TR-1A
The TR-1A is a high-altitude tactical reconnaissance aircraft developed from the Lockheed U-2, optimized for battlefield surveillance and intelligence-gathering missions.
-
D.
TR-25
TR-25 is the statistical and administrative region code assigned to Turkey’s Erzurum Province.
-
E.
TRTA
TRTA is the acronym for the Tahoe Rim Trail Association, a nonprofit organization dedicated to building, maintaining, and promoting the Tahoe Rim Trail around Lake Tahoe.
- 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_69d87f198bc48190a8b7e53ca15b7ead |
completed | April 10, 2026, 4:39 a.m. |
| NER | Named-entity recognition | batch_69e1858d1264819099434d7201614d05 |
completed | April 17, 2026, 12:57 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ffeb9550f0819092660f6c4b0d708e |
completed | May 10, 2026, 2:21 a.m. |
| NEDg | Description generation | batch_69ffed526eac8190968a19738ab019e7 |
completed | May 10, 2026, 2:28 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ffedda25fc8190b9eef3e7752f95f5 |
completed | May 10, 2026, 2:30 a.m. |
Created at: April 10, 2026, 4:59 a.m.