Triple
T297956
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | F Market & Wharves |
E6133
|
entity |
| Predicate | operatesOn |
P23
|
FINISHED |
| Object |
Market Street surface tracks
Market Street surface tracks are the street-level light rail tracks along San Francisco’s Market Street used by historic streetcars and other Muni rail services.
|
E38242
|
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: Market Street surface tracks | Statement: [F Market & Wharves, operatesOn, Market Street surface tracks]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Market Street surface tracks Context triple: [F Market & Wharves, operatesOn, Market Street surface tracks]
-
A.
California Street line
The California Street line is one of San Francisco’s historic cable car routes, running east–west across the city’s California Street and offering classic views of its steep hills and downtown skyline.
-
B.
Market Street retail area
Market Street retail area is a major pedestrianized shopping thoroughfare in Manchester city centre, known for its high street stores and heavy footfall.
-
C.
Market Street
Market Street is a major east–west thoroughfare in Philadelphia known for its commercial activity, transit connections, and role as a central artery of the city.
-
D.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
E.
Valley Lines
Valley Lines is a suburban rail network serving Cardiff and the surrounding South Wales Valleys.
- 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: Market Street surface tracks Triple: [F Market & Wharves, operatesOn, Market Street surface tracks]
Generated description
Market Street surface tracks are the street-level light rail tracks along San Francisco’s Market Street used by historic streetcars and other Muni rail services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Market Street surface tracks Target entity description: Market Street surface tracks are the street-level light rail tracks along San Francisco’s Market Street used by historic streetcars and other Muni rail services.
-
A.
California Street line
The California Street line is one of San Francisco’s historic cable car routes, running east–west across the city’s California Street and offering classic views of its steep hills and downtown skyline.
-
B.
Market Street retail area
Market Street retail area is a major pedestrianized shopping thoroughfare in Manchester city centre, known for its high street stores and heavy footfall.
-
C.
Market Street
Market Street is a major east–west thoroughfare in Philadelphia known for its commercial activity, transit connections, and role as a central artery of the city.
-
D.
Portland Streetcar
Portland Streetcar is a modern urban streetcar transit system serving central Portland, Oregon, connecting key neighborhoods, employment centers, and educational institutions.
-
E.
Valley Lines
Valley Lines is a suburban rail network serving Cardiff and the surrounding South Wales Valleys.
- 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_69a2e79114b081909490b3bf5a5dbb51 |
completed | Feb. 28, 2026, 1:03 p.m. |
| NER | Named-entity recognition | batch_69a2e9e3acc08190a35746f2de7e30f0 |
completed | Feb. 28, 2026, 1:13 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3a88a27648190a691c62f0361fd90 |
completed | March 1, 2026, 2:46 a.m. |
| NEDg | Description generation | batch_69a3a90299888190b7f88d6411531823 |
completed | March 1, 2026, 2:48 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a3a96e4ff08190982e2e92a7c529a5 |
completed | March 1, 2026, 2:50 a.m. |
Created at: Feb. 28, 2026, 1:06 p.m.