Triple
T1083336
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dallas Area Rapid Transit |
E23995
|
entity |
| Predicate | owns |
P347
|
FINISHED |
| Object |
DART Rail Maintenance Facilities
DART Rail Maintenance Facilities are specialized complexes in the Dallas–Fort Worth area where Dallas Area Rapid Transit services, repairs, and stores its light rail vehicles and related rail infrastructure.
|
E51093
|
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: DART Rail Maintenance Facilities | Statement: [Dallas Area Rapid Transit, owns, DART Rail Maintenance Facilities]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: DART Rail Maintenance Facilities Context triple: [Dallas Area Rapid Transit, owns, DART Rail Maintenance Facilities]
-
A.
DART Light Rail
DART Light Rail is a light rail transit system serving the Dallas–Fort Worth metropolitan area, operated by Dallas Area Rapid Transit.
-
B.
ExpressRail system
The ExpressRail system is a dedicated on-dock rail network at the Port of New York and New Jersey that moves containerized cargo efficiently between marine terminals and inland destinations.
-
C.
DART Red Line
The DART Red Line is a light rail service in Dallas, Texas, forming one of the primary routes in the Dallas Area Rapid Transit rail network.
-
D.
Fern Rock Transportation Center
Fern Rock Transportation Center is a major multimodal transit hub in North Philadelphia that serves as a key subway, regional rail, and bus interchange in the SEPTA system.
-
E.
Conrail
Conrail was a major U.S. freight railroad formed in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
- 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: DART Rail Maintenance Facilities Triple: [Dallas Area Rapid Transit, owns, DART Rail Maintenance Facilities]
Generated description
DART Rail Maintenance Facilities are specialized complexes in the Dallas–Fort Worth area where Dallas Area Rapid Transit services, repairs, and stores its light rail vehicles and related rail infrastructure.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: DART Rail Maintenance Facilities Target entity description: DART Rail Maintenance Facilities are specialized complexes in the Dallas–Fort Worth area where Dallas Area Rapid Transit services, repairs, and stores its light rail vehicles and related rail infrastructure.
-
A.
DART Light Rail
chosen
DART Light Rail is a light rail transit system serving the Dallas–Fort Worth metropolitan area, operated by Dallas Area Rapid Transit.
-
B.
ExpressRail system
The ExpressRail system is a dedicated on-dock rail network at the Port of New York and New Jersey that moves containerized cargo efficiently between marine terminals and inland destinations.
-
C.
DART Red Line
The DART Red Line is a light rail service in Dallas, Texas, forming one of the primary routes in the Dallas Area Rapid Transit rail network.
-
D.
Fern Rock Transportation Center
Fern Rock Transportation Center is a major multimodal transit hub in North Philadelphia that serves as a key subway, regional rail, and bus interchange in the SEPTA system.
-
E.
Conrail
Conrail was a major U.S. freight railroad formed in the 1970s to take over and revitalize the operations of several bankrupt Northeastern railroads.
- F. None of above.
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_69a493f1ddf48190a99d54b00e99f8ce |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4b95e56948190a1e92367ad7240b7 |
completed | March 1, 2026, 10:10 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac42affbac8190b6b16a1d726d0d35 |
completed | March 7, 2026, 3:22 p.m. |
| NEDg | Description generation | batch_69ac44a7a69c8190af5289f6e46d571a |
completed | March 7, 2026, 3:30 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ac451af1508190a55c037328b41931 |
completed | March 7, 2026, 3:32 p.m. |
Created at: March 1, 2026, 7:42 p.m.