Triple
T2993796
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pan Am Railways |
E81017
|
entity |
| Predicate | formedFrom |
P402
|
FINISHED |
| Object |
Portland Terminal Company
Portland Terminal Company was a regional railroad and terminal switching company in New England that later became part of the corporate lineage leading to Pan Am Railways.
|
E317514
|
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: Portland Terminal Company | Statement: [Pan Am Railways, formedFrom, Portland Terminal Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Portland Terminal Company Context triple: [Pan Am Railways, formedFrom, Portland Terminal Company]
-
A.
Toronto Terminals Railway
Toronto Terminals Railway is a railway company responsible for managing and operating Toronto’s Union Station rail corridor and related terminal infrastructure.
-
B.
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.
-
C.
Grand Trunk Corporation
Grand Trunk Corporation is a U.S.-based holding company that oversees Canadian National Railway’s rail operations and assets in the United States.
-
D.
BC Rapid Transit Company
BC Rapid Transit Company is the public agency responsible for operating and managing metro and light rail transit services in the Metro Vancouver region of British Columbia, Canada.
-
E.
Fairview Container Terminal
Fairview Container Terminal is a major intermodal container facility in Prince Rupert, British Columbia, known for its deep-water berths and role as a key gateway for trans-Pacific trade between Asia and North America.
- 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: Portland Terminal Company Triple: [Pan Am Railways, formedFrom, Portland Terminal Company]
Generated description
Portland Terminal Company was a regional railroad and terminal switching company in New England that later became part of the corporate lineage leading to Pan Am Railways.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Portland Terminal Company Target entity description: Portland Terminal Company was a regional railroad and terminal switching company in New England that later became part of the corporate lineage leading to Pan Am Railways.
-
A.
Toronto Terminals Railway
Toronto Terminals Railway is a railway company responsible for managing and operating Toronto’s Union Station rail corridor and related terminal infrastructure.
-
B.
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.
-
C.
Grand Trunk Corporation
Grand Trunk Corporation is a U.S.-based holding company that oversees Canadian National Railway’s rail operations and assets in the United States.
-
D.
BC Rapid Transit Company
BC Rapid Transit Company is the public agency responsible for operating and managing metro and light rail transit services in the Metro Vancouver region of British Columbia, Canada.
-
E.
Fairview Container Terminal
Fairview Container Terminal is a major intermodal container facility in Prince Rupert, British Columbia, known for its deep-water berths and role as a key gateway for trans-Pacific trade between Asia and North America.
- 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_69ad8b187fc8819085914d3c9ea3142d |
completed | March 8, 2026, 2:43 p.m. |
| NER | Named-entity recognition | batch_69ad99e291e0819089f81c0a7d7a6cd9 |
completed | March 8, 2026, 3:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b109061684819086777d3b871c94f8 |
completed | March 11, 2026, 6:17 a.m. |
| NEDg | Description generation | batch_69b1196399e881908887513a3bdf7f98 |
completed | March 11, 2026, 7:27 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b119d306208190b53b059f0ff57712 |
completed | March 11, 2026, 7:29 a.m. |
Created at: March 8, 2026, 2:59 p.m.