Triple
T8487406
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 7th Street/Metro Center to Culver City |
E200863
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
LATTC/Ortho Institute station
LATTC/Ortho Institute station is a Los Angeles Metro Rail station serving the Expo (E) Line near the Los Angeles Trade–Technical College and the Orthopaedic Institute for Children, just south of downtown Los Angeles.
|
E737245
|
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: LATTC/Ortho Institute station | Statement: [7th Street/Metro Center to Culver City, hasStation, LATTC/Ortho Institute station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: LATTC/Ortho Institute station Context triple: [7th Street/Metro Center to Culver City, hasStation, LATTC/Ortho Institute station]
-
A.
California (Green Line) station
California (Green Line) station is a Chicago 'L' rapid transit stop on the Green Line located in the city's West Garfield Park neighborhood.
-
B.
Pearl/Arts District station
Pearl/Arts District station is a Dallas Area Rapid Transit (DART) light rail station serving downtown Dallas and the adjacent Arts District.
-
C.
Alum Rock station
Alum Rock station is a public transit stop in San Jose, California, serving as a terminus on the Santa Clara Valley Transportation Authority (VTA) light rail system.
-
D.
Expo/La Brea station
Expo/La Brea station is an at-grade light rail stop in Los Angeles serving the E Line, located near the intersection of Exposition and La Brea Avenues in the West Adams area.
-
E.
Heath Street station
Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
- 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: LATTC/Ortho Institute station Triple: [7th Street/Metro Center to Culver City, hasStation, LATTC/Ortho Institute station]
Generated description
LATTC/Ortho Institute station is a Los Angeles Metro Rail station serving the Expo (E) Line near the Los Angeles Trade–Technical College and the Orthopaedic Institute for Children, just south of downtown Los Angeles.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: LATTC/Ortho Institute station Target entity description: LATTC/Ortho Institute station is a Los Angeles Metro Rail station serving the Expo (E) Line near the Los Angeles Trade–Technical College and the Orthopaedic Institute for Children, just south of downtown Los Angeles.
-
A.
California (Green Line) station
California (Green Line) station is a Chicago 'L' rapid transit stop on the Green Line located in the city's West Garfield Park neighborhood.
-
B.
Pearl/Arts District station
Pearl/Arts District station is a Dallas Area Rapid Transit (DART) light rail station serving downtown Dallas and the adjacent Arts District.
-
C.
Alum Rock station
Alum Rock station is a public transit stop in San Jose, California, serving as a terminus on the Santa Clara Valley Transportation Authority (VTA) light rail system.
-
D.
Expo/La Brea station
Expo/La Brea station is an at-grade light rail stop in Los Angeles serving the E Line, located near the intersection of Exposition and La Brea Avenues in the West Adams area.
-
E.
Heath Street station
Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
- 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_69ca831d7b148190a6e32c1de43ab13b |
completed | March 30, 2026, 2:05 p.m. |
| NER | Named-entity recognition | batch_69cbe556b5188190b1124effd7445803 |
completed | March 31, 2026, 3:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ce3a4e5be48190b5c598123ef75f8b |
completed | April 2, 2026, 9:43 a.m. |
| NEDg | Description generation | batch_69ce3d0323248190a076a209df98c96c |
completed | April 2, 2026, 9:55 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69ce3d7909f48190a46f58fca75d7740 |
completed | April 2, 2026, 9:57 a.m. |
Created at: March 30, 2026, 6:13 p.m.