Recommendation engine example.

[Ernesto Cambuston]

Currently working on a proof of concept for a recommendation engine.

Example.https://github.com/erneestoc/graph_example/blob/master/src/java/com/example/ExampleTraversalDsl.java#L18

I'm trying to filter the first steps matched friends before the groupCount.

What would be the correct way of doing this?

[Daniel Kuppitz]

Not sure what you mean, can you please clarify?

I'm trying to filter

Filter by what?

the first steps matched friends before the groupCount

You mean the friends of friends?

Cheers,

Daniel

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[Ernesto Cambuston]

I'm want to remove the friends the user already know, from the friends of friends results.

On Sunday, March 25, 2018 at 8:02:42 AM UTC-7, Daniel Kuppitz wrote:

Not sure what you mean, can you please clarify?

I'm trying to filter

Filter by what?

the first steps matched friends before the groupCount

You mean the friends of friends?

Cheers,

Daniel

On Sun, Mar 25, 2018 at 3:32 AM, Ernesto Cambuston <e.cam...@gmail.com> wrote:

Currently working on a proof of concept for a recommendation engine.

Example.https://github.com/erneestoc/graph_example/blob/master/src/java/com/example/ExampleTraversalDsl.java#L18

I'm trying to filter the first steps matched friends before the groupCount.

What would be the correct way of doing this?

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[Ernesto Cambuston]

Got the desired result aggregating the first step results, and using `where(P.without("x"))`.. is this the correct way of doing it?

https://github.com/erneestoc/graph_example/blob/master/src/java/com/example/ExampleTraversalDsl.java#L24

[Daniel Kuppitz]

Yea, but you can remove the labels.

     return out("friendship").aggregate("x")

    .out("friendship")

                .where(P.without("x"))

    .groupCount()

            .by("email")

            .order(Scope.local)

            .by(Column.values, Order.decr)

                .limit(Scope.local, limit);

Cheers,

Daniel

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