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_YO >>>>> N-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/ms >>> gid/actionml-user/CAC-ATVFMsZw3uKtJQ8Mi00vvfRz4wOo3bacs5KMzc >>> qS0kDdc0A%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% > 3Dx3EdULpqjHK3LtEfdcQ%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. > >
