E-Commerce Recommendation Template in Java
Documentation
Please refer to https://predictionio.apache.org/templates/javaecommercerecommendation/quickstart/.
Versions
v0.14.0
Update for Apache PredictionIO 0.14.0
v0.13.0
Update for Apache PredictionIO 0.13.0
v0.12.0-incubating
- Bump version number to track PredictionIO version
- Sets default build targets according to PredictionIO
- Fix compilation issue with Scala 2.11
v0.11.0-incubating
- Update to build with PredictionIO 0.11.0-incubating
- Rename Java package name
- Update SBT and plugin versions
v0.1.2
add "org.jblas" dependency in build.sbt
v0.1.1
- parallelize filtering valid items
v0.1.0
- initial version
Development Notes
Import Sample Data
$ python data/import_eventserver.py --access_key <your_access_key>
Query
normal:
$ curl -H "Content-Type: application/json" \
-d '{
"userEntityId" : "u1",
"number" : 10 }' \
http://localhost:8000/queries.json
$ curl -H "Content-Type: application/json" \
-d '{
"userEntityId" : "u1",
"number": 10,
"categories" : ["c4", "c3"]
}' \
http://localhost:8000/queries.json
curl -H "Content-Type: application/json" \
-d '{
"userEntityId" : "u1",
"number": 10,
"whitelist": ["i21", "i26", "i40"]
}' \
http://localhost:8000/queries.json
curl -H "Content-Type: application/json" \
-d '{
"userEntityId" : "u1",
"number": 10,
"blacklist": ["i21", "i26", "i40"]
}' \
http://localhost:8000/queries.json
unknown user:
curl -H "Content-Type: application/json" \
-d '{
"userEntityId" : "unk1",
"number": 10}' \
http://localhost:8000/queries.json
Handle New User
new user:
curl -H "Content-Type: application/json" \
-d '{
"userEntityId" : "x1",
"number": 10}' \
http://localhost:8000/queries.json
import some view events and try to get recommendation for x1 again.
accessKey=<YOUR_ACCESS_KEY>
curl -i -X POST http://localhost:7070/events.json?accessKey=$accessKey \
-H "Content-Type: application/json" \
-d '{
"event" : "view",
"entityType" : "user"
"entityId" : "x1",
"targetEntityType" : "item",
"targetEntityId" : "i2",
"eventTime" : "2015-02-17T02:11:21.934Z"
}'
curl -i -X POST http://localhost:7070/events.json?accessKey=$accessKey \
-H "Content-Type: application/json" \
-d '{
"event" : "view",
"entityType" : "user"
"entityId" : "x1",
"targetEntityType" : "item",
"targetEntityId" : "i3",
"eventTime" : "2015-02-17T02:12:21.934Z"
}'
Handle Unavailable Items
Set the following items as unavailable (need to specify complete list each time when this list is changed):
curl -i -X POST http://localhost:7070/events.json?accessKey=$accessKey \
-H "Content-Type: application/json" \
-d '{
"event" : "$set",
"entityType" : "constraint"
"entityId" : "unavailableItems",
"properties" : {
"items": ["i43", "i20", "i37", "i3", "i4", "i5"],
}
"eventTime" : "2015-02-17T02:11:21.934Z"
}'
Set empty list when no more items unavailable:
curl -i -X POST http://localhost:7070/events.json?accessKey=$accessKey \
-H "Content-Type: application/json" \
-d '{
"event" : "$set",
"entityType" : "constraint"
"entityId" : "unavailableItems",
"properties" : {
"items": [],
}
"eventTime" : "2015-02-18T02:11:21.934Z"
}'