And what the T in the slides is for? How can we implement it if it's is not implemented yet?
2017-06-04 8:11 GMT+04:00 Pat Ferrel <[email protected]>: > Buy purchasing an item with a tag that you have given it, they are > displaying a preference for that tag. > > > On Jun 3, 2017, at 12:36 PM, Marius Rabenarivo <[email protected]> > wrote: > > So the tag here is assumed to be a tag given by the user to an item? > > I was thinking that it was some kind of tag we give to the item by some > mean (classification, LDA, etc) > > 2017-06-03 21:14 GMT+04:00 Pat Ferrel <[email protected]>: > >> A = history of all purchases (in the e-com case) >> B = history of all tag preferences >> >> r = [A’A]h_a + [A’B]h_b >> >> The part in the slides about content-based recs is not needed here >> because you have captured them as user preferences. >> >> >> On Jun 2, 2017, at 7:22 PM, Marius Rabenarivo <[email protected]> >> wrote: >> >> Please correct side to size in my previous e-mail >> >> 2017-06-03 6:14 GMT+04:00 Marius Rabenarivo <[email protected]>: >> >>> What will be the size of the matrix if we send an event like tag-pref >>> We will get a |U|x|T| matrix I think (where T is the set of all tags). >>> >>> So [AtA] will be a |T| x |T| matrix and we will do a dot product with >>> the user history hT to get recommendation right? >>> >>> I was assuming that A should be of side |U| x |I| where I is the set of >>> all items as it should be added to other terms of the whole enchilada >>> formula afterwards. >>> >>> Thank you for your guidance Pat. >>> >>> 2017-06-02 21:35 GMT+04:00 Pat Ferrel <[email protected]>: >>> >>>> Please refer to the documents. The “event” is the name of the type of >>>> event or indicator if preference, it implies the type of >>>> the targetEntityId. So a “tag-pref’ event would be accompanied by >>>> a targetEntityId = tag-id. This is separate from attaching “tag” properties >>>> to items with the $set event for use with filter and boost rules. One looks >>>> at the data as a possible preference indicator and the other is used to >>>> restrict results. This is why we usually name events so they sound like a >>>> user preference of some type, whereas item property values are simply item >>>> attributes, intrinsic to the items and independent of an individual user. >>>> >>>> The event can have any name that makes sense to you. >>>> >>>> >>>> On Jun 2, 2017, at 9:19 AM, Marius Rabenarivo < >>>> [email protected]> wrote: >>>> >>>> so, the event field should be the token and targetEntityId the item ID, >>>> right? >>>> >>>> 2017-06-02 20:07 GMT+04:00 Pat Ferrel <[email protected]>: >>>> >>>>> Yes, each is analyzed separately as a separate event. If you are using >>>>> REST you can send up to 50 events in a single array. Some SDKs may support >>>>> this too. >>>>> >>>>> >>>>> On Jun 2, 2017, at 8:56 AM, Marius Rabenarivo < >>>>> [email protected]> wrote: >>>>> >>>>> So I have to send an event like category-preference for each tag >>>>> associated to an item right? >>>>> >>>>> entityId: userd-id >>>>> event: category-preference >>>>> targetEntityId : tag/token >>>>> >>>>> 2017-06-02 19:47 GMT+04:00 Pat Ferrel <[email protected]>: >>>>> >>>>>> When a user expresses a preference for a tag, word or term as in >>>>>> search or even in content like descriptions, these can be considered >>>>>> secondary events. The most useful are tags and search terms in our >>>>>> experience. Content can be used but each term/token needs to be sent as a >>>>>> separate preference while search phrases can be used though again turning >>>>>> them into tokens may be better. >>>>>> >>>>>> Please looks through the docs here: http://actionml.com/docs/ur or >>>>>> the siide deck here: https://www.slideshare.n >>>>>> et/pferrel/unified-recommender-39986309 >>>>>> >>>>>> The major innovation of CCO, the algorithm behind the UR, is the use >>>>>> of these cross-domain indicators. They are not guaranteed to predict >>>>>> conversions but the CCO algo tests them and weights them low if they do >>>>>> not >>>>>> so we tend to test for strength of prediction of the entire category of >>>>>> indictor and drop them if weak or set a minLLR threshold and filter weak >>>>>> individual indicators out. >>>>>> >>>>>> Technically these are not called latent, that has another meaning in >>>>>> Machine Learning having to do with Latent Factor Analysis. >>>>>> >>>>>> >>>>>> On Jun 1, 2017, at 11:26 PM, Marius Rabenarivo < >>>>>> [email protected]> wrote: >>>>>> >>>>>> Hello everyone! >>>>>> >>>>>> Do you have an idea on how to use latent informations associated to >>>>>> items like tag, word vector embedding in Mahout's >>>>>> SimilarityAnalysis.cooccurrences? >>>>>> >>>>>> Regards, >>>>>> >>>>>> Marius >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "actionml-user" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> To post to this group, send email to [email protected]. >>>>>> To view this discussion on the web visit https://groups.google. >>>>>> com/d/msgid/actionml-user/CAC-ATVEO_YON-5E95iPJjBR- >>>>>> FUgEv8TQsOA0rtD-xg0u-tNA_g%40mail.gmail.com >>>>>> <https://groups.google.com/d/msgid/actionml-user/CAC-ATVEO_YON-5E95iPJjBR-FUgEv8TQsOA0rtD-xg0u-tNA_g%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>> >>>>>> >>>>> >>>>> >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "actionml-user" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To post to this group, send email to [email protected]. >>>> To view this discussion on the web visit https://groups.google. >>>> com/d/msgid/actionml-user/CAC-ATVFMsZw3uKtJQ8Mi00vvfRz4wOo3b >>>> acs5KMzcqS0kDdc0A%40mail.gmail.com >>>> <https://groups.google.com/d/msgid/actionml-user/CAC-ATVFMsZw3uKtJQ8Mi00vvfRz4wOo3bacs5KMzcqS0kDdc0A%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>> . >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>>> >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "actionml-user" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> To view this discussion on the web visit https://groups.google. >> com/d/msgid/actionml-user/CAC-ATVEuH6iFKAyzDt8_MdAWQuzjgb%3D >> x3EdULpqjHK3LtEfdcQ%40mail.gmail.com >> <https://groups.google.com/d/msgid/actionml-user/CAC-ATVEuH6iFKAyzDt8_MdAWQuzjgb%3Dx3EdULpqjHK3LtEfdcQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> >> > > -- > You received this message because you are subscribed to the Google Groups > "actionml-user" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit https://groups.google. > com/d/msgid/actionml-user/CAC-ATVHa-v4Aw8Ebo4xESzKUxvyyhfEfBoSPnD% > 2Bv_-4ZCpR0AQ%40mail.gmail.com > <https://groups.google.com/d/msgid/actionml-user/CAC-ATVHa-v4Aw8Ebo4xESzKUxvyyhfEfBoSPnD%2Bv_-4ZCpR0AQ%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > >
