Triple
T609771
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | East Cambridge |
E12071
|
entity |
| Predicate | transportServedBy |
P1298
|
FINISHED |
| Object |
Lechmere station
Lechmere station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station serving the East Cambridge neighborhood of Cambridge, Massachusetts.
|
E92544
|
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: Lechmere station | Statement: [East Cambridge, transportServedBy, Lechmere station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lechmere station Context triple: [East Cambridge, transportServedBy, Lechmere station]
-
A.
Lawrence station
Lawrence station is a Toronto Transit Commission subway station on Line 1 Yonge–University, serving the Lawrence Avenue and Yonge Street area in midtown Toronto.
-
B.
Kipling station
Kipling station is a major western transit hub in Toronto that connects the subway system with regional buses and commuter services.
-
C.
Deanwood station
Deanwood station is an elevated Washington Metro station in Northeast Washington, D.C., serving the Deanwood neighborhood on the system’s Orange Line.
-
D.
Rosedale station
Rosedale station is a subway station on Line 1 of the Toronto Transit Commission (TTC) serving the Rosedale neighbourhood in Toronto, Canada.
-
E.
Robinson station
Robinson station is a suburban terminus of Paris’s RER B commuter rail line, serving the commune of Sceaux in the southern outskirts of the city.
- 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: Lechmere station Triple: [East Cambridge, transportServedBy, Lechmere station]
Generated description
Lechmere station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station serving the East Cambridge neighborhood of Cambridge, Massachusetts.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lechmere station Target entity description: Lechmere station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station serving the East Cambridge neighborhood of Cambridge, Massachusetts.
-
A.
Lawrence station
Lawrence station is a Toronto Transit Commission subway station on Line 1 Yonge–University, serving the Lawrence Avenue and Yonge Street area in midtown Toronto.
-
B.
Kipling station
Kipling station is a major western transit hub in Toronto that connects the subway system with regional buses and commuter services.
-
C.
Deanwood station
Deanwood station is an elevated Washington Metro station in Northeast Washington, D.C., serving the Deanwood neighborhood on the system’s Orange Line.
-
D.
Rosedale station
Rosedale station is a subway station on Line 1 of the Toronto Transit Commission (TTC) serving the Rosedale neighbourhood in Toronto, Canada.
-
E.
Robinson station
Robinson station is a suburban terminus of Paris’s RER B commuter rail line, serving the commune of Sceaux in the southern outskirts of the city.
- 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_69a493309df48190a327f748e88049a6 |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a49df68f2c8190a0ee9da4692b2a62 |
completed | March 1, 2026, 8:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a6732a8c0881909753261f9256fcf2 |
completed | March 3, 2026, 5:35 a.m. |
| NEDg | Description generation | batch_69a6738d22f48190b7933ffeb84e8b9c |
completed | March 3, 2026, 5:37 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a673dc2af88190896776ed418ffa44 |
completed | March 3, 2026, 5:38 a.m. |
Created at: March 1, 2026, 7:35 p.m.