Port of Otsu
E648315
Port of Otsu is a lakeside harbor and passenger terminal on Lake Biwa in Ōtsu, Japan, serving as a hub for sightseeing cruises and regional water transport.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Port of Otsu canonical | 1 |
| Port of Ōtsu | 1 |
| Ōtsu waterfront | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7192157 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Port of Otsu Context triple: [Otsu, hasPort, Port of Otsu]
-
A.
Kishiwada Port
Kishiwada Port is a coastal harbor facility in Kishiwada, Osaka Prefecture, Japan, serving regional maritime transport and local industry.
-
B.
Port of Otaru
The Port of Otaru is a major commercial and passenger seaport on Hokkaido’s Sea of Japan coast, historically serving as a key maritime gateway for trade and transport in northern Japan.
-
C.
Minatogawa Fishing Port
Minatogawa Fishing Port is a local fishing harbor in Itoman, Okinawa, known for its coastal fisheries and fresh seafood landings.
-
D.
Port of Akita
The Port of Akita is a key seaport on Japan’s Sea of Japan coast that supports regional industry, trade, and maritime transport for Akita Prefecture.
-
E.
Onagawa Port
Onagawa Port is a coastal harbor town in northeastern Japan known for its fishing industry, scenic bay, and reconstruction efforts following the 2011 Tōhoku earthquake and tsunami.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Port of Otsu Target entity description: Port of Otsu is a lakeside harbor and passenger terminal on Lake Biwa in Ōtsu, Japan, serving as a hub for sightseeing cruises and regional water transport.
-
A.
Kishiwada Port
Kishiwada Port is a coastal harbor facility in Kishiwada, Osaka Prefecture, Japan, serving regional maritime transport and local industry.
-
B.
Port of Otaru
The Port of Otaru is a major commercial and passenger seaport on Hokkaido’s Sea of Japan coast, historically serving as a key maritime gateway for trade and transport in northern Japan.
-
C.
Minatogawa Fishing Port
Minatogawa Fishing Port is a local fishing harbor in Itoman, Okinawa, known for its coastal fisheries and fresh seafood landings.
-
D.
Port of Akita
The Port of Akita is a key seaport on Japan’s Sea of Japan coast that supports regional industry, trade, and maritime transport for Akita Prefecture.
-
E.
Onagawa Port
Onagawa Port is a coastal harbor town in northeastern Japan known for its fishing industry, scenic bay, and reconstruction efforts following the 2011 Tōhoku earthquake and tsunami.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
harbor
ⓘ
passenger terminal ⓘ port ⓘ |
| basinCountry | Japan ⓘ |
| connectsWith | other ports on Lake Biwa ⓘ |
| continent | Asia ⓘ |
| country | Japan ⓘ |
| hasFacility |
berths for cruise boats
ⓘ
passenger terminal building ⓘ piers ⓘ ticket counters ⓘ tourist information services ⓘ waiting area ⓘ |
| hasUse |
passenger transport
ⓘ
regional water transport ⓘ sightseeing cruises ⓘ |
| hasView |
Lake Biwa
ⓘ
Ōtsu waterfront ⓘ
linked to:
Port of Otsu
|
| isPartOf |
tourism infrastructure of Shiga Prefecture
ⓘ
transport infrastructure of Ōtsu ⓘ |
| languageUsed | Japanese ⓘ |
| locatedInAdministrativeTerritorialEntity |
Shiga Prefecture
ⓘ
Ōtsu ⓘ |
| locatedInTimeZone | Japan Standard Time ⓘ |
| locatedOnBodyOfWater | Lake Biwa ⓘ |
| location |
Japan
ⓘ
Shiga Prefecture ⓘ Ōtsu ⓘ |
| near |
Lake Biwa lakeside promenade in Ōtsu
ⓘ
central Ōtsu ⓘ |
| partOf | Lake Biwa water transport network ⓘ |
| primaryFunction |
hub for sightseeing cruises
ⓘ
regional passenger water transport hub ⓘ |
| serves |
local residents
ⓘ
tourists ⓘ |
| serviceType |
regional passenger services
ⓘ
scheduled cruise services ⓘ tourist excursion services ⓘ |
| tourismAttractionType |
cruise departure point
ⓘ
lakeside attraction ⓘ |
| transportMode | water transport ⓘ |
| typicalUsers |
commuters on regional boats
ⓘ
domestic tourists ⓘ international tourists ⓘ |
| uses | Lake Biwa water transport routes ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Port of Otsu Description of subject: Port of Otsu is a lakeside harbor and passenger terminal on Lake Biwa in Ōtsu, Japan, serving as a hub for sightseeing cruises and regional water transport.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.