Triple
T5249042
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Boston subway |
E118535
|
entity |
| Predicate | colorCodeSystem |
P60
|
FINISHED |
| Object |
Green Line is colored green
The Green Line is one of Boston’s MBTA subway routes, known for serving key central and western neighborhoods and being designated by the color green on transit maps.
|
E505502
|
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: Green Line is colored green | Statement: [Boston subway, colorCodeSystem, Green Line is colored green]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Green Line is colored green Context triple: [Boston subway, colorCodeSystem, Green Line is colored green]
-
A.
Green (as part of Green Line)
Green (as part of the Green Line) is the color designation used for Chicago's Green Line rapid transit route, including its Englewood Branch, within the Chicago 'L' system.
-
B.
Green line
The Green line is one of the main color-coded routes in the Stockholm metro system, serving numerous central and suburban stations across the city.
-
C.
MAX Green Line
MAX Green Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with Clackamas Town Center as part of TriMet’s MAX Light Rail system.
-
D.
Red Line and Green Line
Red Line and Green Line are two key Boston MBTA subway lines that intersect at Park Street Station, serving as major routes through the city and surrounding areas.
-
E.
Yellow Line
The Yellow Line is one of the color-coded rapid transit routes in the Washington Metro system, running primarily in a north–south direction and serving key areas in Washington, D.C. and Northern Virginia.
- 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: Green Line is colored green Triple: [Boston subway, colorCodeSystem, Green Line is colored green]
Generated description
The Green Line is one of Boston’s MBTA subway routes, known for serving key central and western neighborhoods and being designated by the color green on transit maps.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Green Line is colored green Target entity description: The Green Line is one of Boston’s MBTA subway routes, known for serving key central and western neighborhoods and being designated by the color green on transit maps.
-
A.
Green (as part of Green Line)
Green (as part of the Green Line) is the color designation used for Chicago's Green Line rapid transit route, including its Englewood Branch, within the Chicago 'L' system.
-
B.
Green line
The Green line is one of the main color-coded routes in the Stockholm metro system, serving numerous central and suburban stations across the city.
-
C.
MAX Green Line
MAX Green Line is a light rail service in the Portland, Oregon metropolitan area that connects downtown Portland with Clackamas Town Center as part of TriMet’s MAX Light Rail system.
-
D.
Red Line and Green Line
Red Line and Green Line are two key Boston MBTA subway lines that intersect at Park Street Station, serving as major routes through the city and surrounding areas.
-
E.
Yellow Line
The Yellow Line is one of the color-coded rapid transit routes in the Washington Metro system, running primarily in a north–south direction and serving key areas in Washington, D.C. and Northern Virginia.
- 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_69bd4468aacc8190a8196f71855cdf4f |
completed | March 20, 2026, 12:58 p.m. |
| NER | Named-entity recognition | batch_69bd84718f788190ab016ea45878b2a7 |
completed | March 20, 2026, 5:31 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bef83998f881909fef2746f5c496af |
completed | March 21, 2026, 7:57 p.m. |
| NEDg | Description generation | batch_69befa746be88190a8d807317ab36430 |
completed | March 21, 2026, 8:07 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69befac54e8c8190986aca0f5591d04e |
completed | March 21, 2026, 8:08 p.m. |
Created at: March 20, 2026, 1:50 p.m.