Triple
T731736
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metro B Line |
E14844
|
entity |
| Predicate | connectsWith |
P37
|
FINISHED |
| Object |
Metrolink at Union Station
Metrolink at Union Station is the Southern California regional commuter rail service hub located at Los Angeles Union Station, providing connections between multiple counties and local transit lines.
|
E88195
|
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: Metrolink at Union Station | Statement: [Metro B Line, connectsWith, Metrolink at Union Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metrolink at Union Station Context triple: [Metro B Line, connectsWith, Metrolink at Union Station]
-
A.
Metrolink
Metrolink is the light rail tram system serving Greater Manchester, England, connecting central Manchester with surrounding towns and key destinations across the metropolitan area.
-
B.
Hollywood/Western Metro station
Hollywood/Western Metro station is a Los Angeles Metro Rail station on the B Line located in East Hollywood, serving the busy Hollywood Boulevard corridor.
-
C.
Universal City/Studio City station
Universal City/Studio City station is a Los Angeles Metro Rail subway stop serving the Universal City and Studio City areas near Universal Studios Hollywood.
-
D.
Los Angeles Metro Rail
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
-
E.
LA Metro A Line
The LA Metro A Line is a light rail line in Los Angeles County that connects downtown Los Angeles with several surrounding communities, including Pasadena and Long Beach.
- 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: Metrolink at Union Station Triple: [Metro B Line, connectsWith, Metrolink at Union Station]
Generated description
Metrolink at Union Station is the Southern California regional commuter rail service hub located at Los Angeles Union Station, providing connections between multiple counties and local transit lines.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Metrolink at Union Station Target entity description: Metrolink at Union Station is the Southern California regional commuter rail service hub located at Los Angeles Union Station, providing connections between multiple counties and local transit lines.
-
A.
Metrolink
Metrolink is the light rail tram system serving Greater Manchester, England, connecting central Manchester with surrounding towns and key destinations across the metropolitan area.
-
B.
Hollywood/Western Metro station
Hollywood/Western Metro station is a Los Angeles Metro Rail station on the B Line located in East Hollywood, serving the busy Hollywood Boulevard corridor.
-
C.
Universal City/Studio City station
Universal City/Studio City station is a Los Angeles Metro Rail subway stop serving the Universal City and Studio City areas near Universal Studios Hollywood.
-
D.
Los Angeles Metro Rail
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
-
E.
LA Metro A Line
The LA Metro A Line is a light rail line in Los Angeles County that connects downtown Los Angeles with several surrounding communities, including Pasadena and Long Beach.
- 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_69a4934d9930819099eed80096b0597d |
completed | March 1, 2026, 7:28 p.m. |
| NER | Named-entity recognition | batch_69a4a5c40b6481909db9efd7310850b3 |
completed | March 1, 2026, 8:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a64a5c9d248190b0bebfd0e999643a |
completed | March 3, 2026, 2:41 a.m. |
| NEDg | Description generation | batch_69a64e4ae3b4819099da917053197627 |
completed | March 3, 2026, 2:58 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a64eb30e80819096ac54a526eea79d |
completed | March 3, 2026, 3 a.m. |
Created at: March 1, 2026, 7:37 p.m.