Triple
T8015628
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Main Line Elevated |
E186607
|
entity |
| Predicate | servedStation |
P726
|
FINISHED |
| Object |
Dudley Street Terminal
Dudley Street Terminal was a major elevated rapid transit station and former hub in Boston’s Roxbury neighborhood that served as a key interchange on the city’s early urban rail network.
|
E707572
|
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: Dudley Street Terminal | Statement: [Main Line Elevated, servedStation, Dudley Street Terminal]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dudley Street Terminal Context triple: [Main Line Elevated, servedStation, Dudley Street Terminal]
-
A.
Randolph Street Terminal
Randolph Street Terminal was a former downtown Chicago commuter rail station that served as the central hub for trains on what is now Metra’s Electric District line.
-
B.
Evans Terminal
Evans Terminal is one of the passenger terminals at Detroit Metropolitan Wayne County Airport, serving as a major facility for airline operations and traveler services.
-
C.
Dale Street Station
Dale Street Station is a light rail stop on Metro Transit's Green Line in Saint Paul, Minnesota, serving the surrounding Frogtown and Summit-University neighborhoods.
-
D.
Hyde Street terminal
Hyde Street terminal is the northern endpoint of San Francisco’s historic Powell–Hyde cable car line, located near Fisherman’s Wharf and the city’s waterfront.
-
E.
St. George Terminal
St. George Terminal is the main Staten Island Ferry hub in St. George, Staten Island, connecting the borough to Lower Manhattan and serving as a key transit and commercial center.
- 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: Dudley Street Terminal Triple: [Main Line Elevated, servedStation, Dudley Street Terminal]
Generated description
Dudley Street Terminal was a major elevated rapid transit station and former hub in Boston’s Roxbury neighborhood that served as a key interchange on the city’s early urban rail network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Dudley Street Terminal Target entity description: Dudley Street Terminal was a major elevated rapid transit station and former hub in Boston’s Roxbury neighborhood that served as a key interchange on the city’s early urban rail network.
-
A.
Randolph Street Terminal
Randolph Street Terminal was a former downtown Chicago commuter rail station that served as the central hub for trains on what is now Metra’s Electric District line.
-
B.
Evans Terminal
Evans Terminal is one of the passenger terminals at Detroit Metropolitan Wayne County Airport, serving as a major facility for airline operations and traveler services.
-
C.
Dale Street Station
Dale Street Station is a light rail stop on Metro Transit's Green Line in Saint Paul, Minnesota, serving the surrounding Frogtown and Summit-University neighborhoods.
-
D.
Hyde Street terminal
Hyde Street terminal is the northern endpoint of San Francisco’s historic Powell–Hyde cable car line, located near Fisherman’s Wharf and the city’s waterfront.
-
E.
St. George Terminal
St. George Terminal is the main Staten Island Ferry hub in St. George, Staten Island, connecting the borough to Lower Manhattan and serving as a key transit and commercial center.
- 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_69ca82ac7fc081909b1398cf025423af |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb3df24e4c8190ae1c46e97e54787d |
completed | March 31, 2026, 3:22 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cc56ba88b88190ad279d79d7f0ffd7 |
completed | March 31, 2026, 11:20 p.m. |
| NEDg | Description generation | batch_69cc58a9e94081908980e2c60be38642 |
completed | March 31, 2026, 11:28 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cc5cbaefb481909eb325f0d27675c0 |
completed | March 31, 2026, 11:46 p.m. |
Created at: March 30, 2026, 5:20 p.m.