Triple
T21344477
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Orange Line (San Diego Trolley) |
E526292
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Massachusetts Avenue station
Massachusetts Avenue station is a light rail stop on the San Diego Trolley system serving the Orange Line in the San Diego metropolitan area.
|
E1479327
|
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: Massachusetts Avenue station | Statement: [Orange Line (San Diego Trolley), hasStation, Massachusetts Avenue station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Massachusetts Avenue station Context triple: [Orange Line (San Diego Trolley), hasStation, Massachusetts Avenue station]
-
A.
Massachusetts Avenue station
Massachusetts Avenue station is an underground rapid transit stop in Boston, Massachusetts, located in the South End and served by the MBTA's Orange Line.
-
B.
Harvard Avenue station
Harvard Avenue station is a surface light rail stop in Boston’s Allston neighborhood serving the MBTA Green Line B branch.
-
C.
Coolidge Corner station
Coolidge Corner station is a light rail stop on the MBTA Green Line in Brookline, Massachusetts, serving the busy commercial and residential Coolidge Corner neighborhood.
-
D.
Boylston station
Boylston station is a historic underground light rail stop in downtown Boston that serves the MBTA Green Line.
-
E.
Uphams Corner station
Uphams Corner station is a Massachusetts Bay Transportation Authority commuter rail stop on the Fairmount Line located in the Uphams Corner neighborhood of Dorchester, Boston.
- 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: Massachusetts Avenue station Triple: [Orange Line (San Diego Trolley), hasStation, Massachusetts Avenue station]
Generated description
Massachusetts Avenue station is a light rail stop on the San Diego Trolley system serving the Orange Line in the San Diego metropolitan area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Massachusetts Avenue station Target entity description: Massachusetts Avenue station is a light rail stop on the San Diego Trolley system serving the Orange Line in the San Diego metropolitan area.
-
A.
Massachusetts Avenue station
Massachusetts Avenue station is an underground rapid transit stop in Boston, Massachusetts, located in the South End and served by the MBTA's Orange Line.
-
B.
Harvard Avenue station
Harvard Avenue station is a surface light rail stop in Boston’s Allston neighborhood serving the MBTA Green Line B branch.
-
C.
Coolidge Corner station
Coolidge Corner station is a light rail stop on the MBTA Green Line in Brookline, Massachusetts, serving the busy commercial and residential Coolidge Corner neighborhood.
-
D.
Boylston station
Boylston station is a historic underground light rail stop in downtown Boston that serves the MBTA Green Line.
-
E.
Uphams Corner station
Uphams Corner station is a Massachusetts Bay Transportation Authority commuter rail stop on the Fairmount Line located in the Uphams Corner neighborhood of Dorchester, Boston.
- 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_69e0b51c33048190ab27cede74ef798c |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e8a85274f481909e699b390bed9350 |
completed | April 22, 2026, 10:52 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a09a5c8c9808190810982de97320df3 |
completed | May 17, 2026, 11:26 a.m. |
| NEDg | Description generation | batch_6a09a6848c1c8190992ae7cdfeabdcf8 |
completed | May 17, 2026, 11:29 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a09aae23f2c81908f08d290277e22f9 |
completed | May 17, 2026, 11:47 a.m. |
Created at: April 16, 2026, 4:44 p.m.