Triple
T17170383
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MARC Train station |
E416713
|
entity |
| Predicate | hasService |
P182
|
FINISHED |
| Object |
MARC Camden Line
The MARC Camden Line is a Maryland commuter rail service that operates between Washington, D.C., and Baltimore along the historic Camden rail corridor.
|
E1255848
|
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: MARC Camden Line | Statement: [MARC Train station, hasService, MARC Camden Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MARC Camden Line Context triple: [MARC Train station, hasService, MARC Camden Line]
-
A.
Coastal Line
Coastal Line is a major Sri Lankan railway route running along the island’s western and southern coasts, linking Colombo with key coastal towns and cities.
-
B.
Eastern Line
The Eastern Line is a suburban rail service in Auckland, New Zealand, running between the city centre and eastern suburbs as part of the Auckland rail network.
-
C.
Eastern Line
The Eastern Line is a major railway corridor in Taiwan that runs along the island’s less urbanized east coast, connecting key cities and towns and supporting both passenger and freight transport.
-
D.
MARC Penn Line
The MARC Penn Line is a Maryland commuter rail service that runs along the Amtrak Northeast Corridor between Washington, D.C., and Perryville, serving numerous communities in Prince George’s County and beyond.
-
E.
Harlem Line
The Harlem Line is a major commuter rail line in New York State operated by Metro-North Railroad, running from Manhattan north through the Bronx and into suburban communities in Westchester, Putnam, and Dutchess counties.
- 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: MARC Camden Line Triple: [MARC Train station, hasService, MARC Camden Line]
Generated description
The MARC Camden Line is a Maryland commuter rail service that operates between Washington, D.C., and Baltimore along the historic Camden rail corridor.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MARC Camden Line Target entity description: The MARC Camden Line is a Maryland commuter rail service that operates between Washington, D.C., and Baltimore along the historic Camden rail corridor.
-
A.
Coastal Line
Coastal Line is a major Sri Lankan railway route running along the island’s western and southern coasts, linking Colombo with key coastal towns and cities.
-
B.
Eastern Line
The Eastern Line is a suburban rail service in Auckland, New Zealand, running between the city centre and eastern suburbs as part of the Auckland rail network.
-
C.
Eastern Line
The Eastern Line is a major railway corridor in Taiwan that runs along the island’s less urbanized east coast, connecting key cities and towns and supporting both passenger and freight transport.
-
D.
MARC Penn Line
The MARC Penn Line is a Maryland commuter rail service that runs along the Amtrak Northeast Corridor between Washington, D.C., and Perryville, serving numerous communities in Prince George’s County and beyond.
-
E.
Harlem Line
The Harlem Line is a major commuter rail line in New York State operated by Metro-North Railroad, running from Manhattan north through the Bronx and into suburban communities in Westchester, Putnam, and Dutchess counties.
- 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_69d886d5f34c8190b24564dfaa63f3fb |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3f91831d88190b262227fc41c9067 |
completed | April 18, 2026, 9:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a015fc83984819098c98b75cf021e3a |
completed | May 11, 2026, 4:49 a.m. |
| NEDg | Description generation | batch_6a0160beb4188190b6e9a91f50b6e276 |
completed | May 11, 2026, 4:53 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a016158b1d081909b62cf73e14b3e78 |
completed | May 11, 2026, 4:55 a.m. |
Created at: April 10, 2026, 5:37 a.m.