Triple
T8003217
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Silver Line (MBTA) |
E186300
|
entity |
| Predicate | connectsAt |
P1139
|
FINISHED |
| Object |
Chelsea commuter rail station
Chelsea commuter rail station is a Massachusetts Bay Transportation Authority (MBTA) transit hub in Chelsea, Massachusetts, serving both commuter rail and bus rapid transit services.
|
E704244
|
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: Chelsea commuter rail station | Statement: [Silver Line (MBTA), connectsAt, Chelsea commuter rail station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chelsea commuter rail station Context triple: [Silver Line (MBTA), connectsAt, Chelsea commuter rail station]
-
A.
SMART commuter rail station
SMART commuter rail station is a Sonoma–Marin Area Rail Transit stop serving as a regional commuter rail hub in San Rafael, California.
-
B.
Parc commuter rail station
Parc commuter rail station is a passenger rail station in Montreal, Quebec, serving the Parc-Extension area with regional commuter train connections.
-
C.
Handen commuter rail station
Handen commuter rail station is a local train station in Handen, Sweden, serving as a stop on the Stockholm commuter rail network.
-
D.
City Thameslink station
City Thameslink station is a central London railway station on the Thameslink route, providing north–south cross-city services between Bedford, Brighton, and other destinations.
-
E.
Elizabeth station
Elizabeth station is a key New Jersey Transit rail stop in Elizabeth, New Jersey, providing commuter access along major regional routes including the busy Northeast Corridor.
- 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: Chelsea commuter rail station Triple: [Silver Line (MBTA), connectsAt, Chelsea commuter rail station]
Generated description
Chelsea commuter rail station is a Massachusetts Bay Transportation Authority (MBTA) transit hub in Chelsea, Massachusetts, serving both commuter rail and bus rapid transit services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chelsea commuter rail station Target entity description: Chelsea commuter rail station is a Massachusetts Bay Transportation Authority (MBTA) transit hub in Chelsea, Massachusetts, serving both commuter rail and bus rapid transit services.
-
A.
SMART commuter rail station
SMART commuter rail station is a Sonoma–Marin Area Rail Transit stop serving as a regional commuter rail hub in San Rafael, California.
-
B.
Parc commuter rail station
Parc commuter rail station is a passenger rail station in Montreal, Quebec, serving the Parc-Extension area with regional commuter train connections.
-
C.
Handen commuter rail station
Handen commuter rail station is a local train station in Handen, Sweden, serving as a stop on the Stockholm commuter rail network.
-
D.
City Thameslink station
City Thameslink station is a central London railway station on the Thameslink route, providing north–south cross-city services between Bedford, Brighton, and other destinations.
-
E.
Elizabeth station
Elizabeth station is a railway station serving the suburb of Elizabeth in Adelaide, South Australia, providing commuter rail services on the Gawler line.
- 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_69ca82aaaf24819084b94d18f699ba53 |
completed | March 30, 2026, 2:03 p.m. |
| NER | Named-entity recognition | batch_69cb3cf443e48190ac9e83343ff4019e |
completed | March 31, 2026, 3:18 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cbe121b0ac81908b9da58cf14c8df5 |
completed | March 31, 2026, 2:58 p.m. |
| NEDg | Description generation | batch_69cbe441b76881909efa791b74316088 |
completed | March 31, 2026, 3:12 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cc34749ae08190a1d30919a0594bfd |
completed | March 31, 2026, 8:54 p.m. |
Created at: March 30, 2026, 5:18 p.m.