Triple
T4944549
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Baltimore Transit Company |
E111015
|
entity |
| Predicate | precededBy |
P97
|
FINISHED |
| Object |
United Railways and Electric Company
United Railways and Electric Company was a major early 20th-century streetcar and electric transit operator in Baltimore, Maryland, that formed the backbone of the city’s public transportation system before its successor companies.
|
E481180
|
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: United Railways and Electric Company | Statement: [Baltimore Transit Company, precededBy, United Railways and Electric Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: United Railways and Electric Company Context triple: [Baltimore Transit Company, precededBy, United Railways and Electric Company]
-
A.
Westinghouse Amrail Company
Westinghouse Amrail Company was a railcar manufacturing firm known for producing New York City’s R68 subway cars.
-
B.
Manhattan Railway Company
The Manhattan Railway Company was a major transit operator in New York City that ran the elevated train lines in Manhattan before the development of the city’s subway system.
-
C.
London, Midland and Scottish Railway
The London, Midland and Scottish Railway was a major British railway company formed in 1923 that operated an extensive network across England, Scotland, and Wales until nationalisation in 1948.
-
D.
Robert Stephenson and Company
Robert Stephenson and Company was a pioneering 19th-century British locomotive manufacturing firm that played a key role in the early development of steam railway engines.
-
E.
Volk’s Electric Railway
Volk’s Electric Railway is a historic narrow-gauge electric seafront railway in Brighton, England, regarded as the world’s oldest operating electric railway.
- 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: United Railways and Electric Company Triple: [Baltimore Transit Company, precededBy, United Railways and Electric Company]
Generated description
United Railways and Electric Company was a major early 20th-century streetcar and electric transit operator in Baltimore, Maryland, that formed the backbone of the city’s public transportation system before its successor companies.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: United Railways and Electric Company Target entity description: United Railways and Electric Company was a major early 20th-century streetcar and electric transit operator in Baltimore, Maryland, that formed the backbone of the city’s public transportation system before its successor companies.
-
A.
Westinghouse Amrail Company
Westinghouse Amrail Company was a railcar manufacturing firm known for producing New York City’s R68 subway cars.
-
B.
Manhattan Railway Company
The Manhattan Railway Company was a major transit operator in New York City that ran the elevated train lines in Manhattan before the development of the city’s subway system.
-
C.
London, Midland and Scottish Railway
The London, Midland and Scottish Railway was a major British railway company formed in 1923 that operated an extensive network across England, Scotland, and Wales until nationalisation in 1948.
-
D.
Robert Stephenson and Company
Robert Stephenson and Company was a pioneering 19th-century British locomotive manufacturing firm that played a key role in the early development of steam railway engines.
-
E.
Volk’s Electric Railway
Volk’s Electric Railway is a historic narrow-gauge electric seafront railway in Brighton, England, regarded as the world’s oldest operating electric railway.
- 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_69bd441721cc819085c7e33fe0876818 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd70a8e5388190882831d7828441d3 |
completed | March 20, 2026, 4:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be77c6566c8190b0c76c05b9d82053 |
completed | March 21, 2026, 10:49 a.m. |
| NEDg | Description generation | batch_69be78ac2d888190b53d90452431263f |
completed | March 21, 2026, 10:53 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69be79a6634c8190bae1fa09eedd6829 |
completed | March 21, 2026, 10:57 a.m. |
Created at: March 20, 2026, 1:31 p.m.