Triple
T6587029
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Saco, Maine, United States |
E159250
|
entity |
| Predicate | hasRailStation |
P726
|
FINISHED |
| Object |
Saco Transportation Center
Saco Transportation Center is a passenger rail and bus station in Saco, Maine that serves as a regional transportation hub for Amtrak and local transit services.
|
E603301
|
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: Saco Transportation Center | Statement: [Saco, Maine, United States, hasRailStation, Saco Transportation Center]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Saco Transportation Center Context triple: [Saco, Maine, United States, hasRailStation, Saco Transportation Center]
-
A.
Aurora Transportation Center
Aurora Transportation Center is a major commuter rail and bus hub in Aurora, Illinois, serving as the western terminus for Metra’s BNSF Railway Line and a key regional transit center.
-
B.
Darby Transportation Center
Darby Transportation Center is a public transit hub in Darby, Pennsylvania, serving as a key interchange point for SEPTA trolley and bus services.
-
C.
Chester Transportation Center
Chester Transportation Center is a major multimodal transit hub in Chester, Pennsylvania, serving regional rail, bus, and other public transportation services.
-
D.
Anderson Regional Transportation Center
Anderson Regional Transportation Center is a major intermodal transit hub in Woburn, Massachusetts, serving commuter rail and bus passengers traveling to and from the Greater Boston area.
-
E.
Arrott Transportation Center
Arrott Transportation Center is a major public transit hub in Philadelphia that serves as an important connection point for subway and bus routes in the city’s Frankford neighborhood.
- 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: Saco Transportation Center Triple: [Saco, Maine, United States, hasRailStation, Saco Transportation Center]
Generated description
Saco Transportation Center is a passenger rail and bus station in Saco, Maine that serves as a regional transportation hub for Amtrak and local transit services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Saco Transportation Center Target entity description: Saco Transportation Center is a passenger rail and bus station in Saco, Maine that serves as a regional transportation hub for Amtrak and local transit services.
-
A.
Aurora Transportation Center
Aurora Transportation Center is a major commuter rail and bus hub in Aurora, Illinois, serving as the western terminus for Metra’s BNSF Railway Line and a key regional transit center.
-
B.
Darby Transportation Center
Darby Transportation Center is a public transit hub in Darby, Pennsylvania, serving as a key interchange point for SEPTA trolley and bus services.
-
C.
Chester Transportation Center
Chester Transportation Center is a major multimodal transit hub in Chester, Pennsylvania, serving regional rail, bus, and other public transportation services.
-
D.
Anderson Regional Transportation Center
Anderson Regional Transportation Center is a major intermodal transit hub in Woburn, Massachusetts, serving commuter rail and bus passengers traveling to and from the Greater Boston area.
-
E.
Arrott Transportation Center
Arrott Transportation Center is a major public transit hub in Philadelphia that serves as an important connection point for subway and bus routes in the city’s Frankford neighborhood.
- 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_69c688366ce8819083f8883983c0df92 |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6aeafd2848190bb51e3ea9711c803 |
completed | March 27, 2026, 4:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6d5794f388190a04f4f9c9e628f22 |
completed | March 27, 2026, 7:07 p.m. |
| NEDg | Description generation | batch_69c6d677a74881908e174a6f6c7a5497 |
completed | March 27, 2026, 7:11 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c6d8486534819080b75cad9cc32276 |
completed | March 27, 2026, 7:19 p.m. |
Created at: March 27, 2026, 1:55 p.m.