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  1. add content-based recommendation

    Based based on a description of the item and a profile of the user’s preference

    PredictionIO algorithms currently integrated do not make use of custom attributes. When content based algorithms are integrated, they will impact similarities and recommendations.

    https://groups.google.com/forum/#!topic/predictionio-user/Nj2lNRAkjxs
    https://groups.google.com/forum/#!topic/predictionio-user/eRPo5uaBf5A
    https://groups.google.com/forum/#!topic/predictionio-user/jEbDgWWoaTc
    https://groups.google.com/forum/#!topic/predictionio-user/Gip5mcSr6Ug
    https://groups.google.com/forum/#!topic/predictionio-user/CiVukwb1ipo

    221 votes
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    • solve new user problem in ItemRec engine

      provide algorithms to recommend items to new users and solve cold start problem

      https://groups.google.com/forum/#!topic/predictionio-user/0RitqAIvx3E

      73 votes
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        1 comment  ·  Admin →
      • 67 votes
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          1 comment  ·  Admin →
        • support anonymized user

          Most users browses products before they sign in on my site. It would be great if anonymized user logging is supported.

          56 votes
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          • add user similarity engine

            Useful for friend recommendations or (PYMK) "people you may know" based on user-to-user actions like "friend" and "follow".

            https://groups.google.com/forum/#!topic/predictionio-user/mYZIShQ1yJs
            https://groups.google.com/forum/#!topic/predictionio-user/iNumdrdqiX8

            31 votes
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            • add sentiment analysis engine

              Sentiment analysis engine will be useful for to identifying and extracting subjective information from textual data.

              29 votes
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              • predict rating and return score or rank with item

                Is there a way to return the associated rating of an item together with the item, while asking for recommendations?

                Has scoring been implemented yet in results? I'm looking for results that would be something like:

                { "pio_iids":[["item2",.09876], ["item3",72635], ["item8",.0765]] }

                I'm not interested in this specific format, just something that would have scoring.

                https://groups.google.com/d/msg/predictionio-user/u3dy3wBGyM0/HWuQa5R_LyMJ

                26 votes
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                  1 comment  ·  Admin →
                • support custom action types

                  PredictionIO comes with a few built-in actions, such as like, rate and view. It would be nice to allow developers to define custom action types.

                  24 votes
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                    1 comment  ·  Admin →
                  • Please support Deployment on RedHat Openshift

                    Given the number of components needed to make PredictionIO work, consider supporting a Openshift deployment either via a Cartridge or DIY approach that is explained in a Blog post

                    19 votes
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                    • add trend detection engine

                      Trend detection engine to detect trends in time series data.

                      19 votes
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                        1 comment  ·  Admin →
                      • Support ElasticSearch backend

                        ElasticSearch is gaining momentum in use-cases that aren't strictly search. Also includes geospatial support as well.

                        14 votes
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                        • Display app, engine and algorithm ID in Web GUI

                          It makes it easier to monitor training and errors from scheduler log files

                          12 votes
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                          • 12 votes
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                            • pagination for get_Itemrec_topn

                              pagination at API/SDK calls for itemrec topn.

                              11 votes
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                                1 comment  ·  Admin →
                              • PredictionIO-aaS

                                SaaS/hosted version of PredictionIO

                                10 votes
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                                • Add demographic recommendation

                                  All of your algorithm are providing recommendation base on previous behaviors of user. What about an algorithm to recommend items base on user's demographic information. It's good to solve problems like recommend items between different location (city, country, etc..).

                                  10 votes
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                                    1 comment  ·  Admin →
                                  • sales predictions

                                    Does prediction.io support sales predictions? Example: I've timeline with sales per day and I'd like to predict future sales - how many sales will be tomorrow and so. Thank's for answer.

                                    9 votes
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                                    • Create App / Engine / Set Algo from SDK

                                      I would like to add create app, engine, set algo params, etc... to the SDK as well as PredictionIO.

                                      https://groups.google.com/forum/#!topic/predictionio-user/Xn7jl_kuS_s

                                      9 votes
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                                        1 comment  ·  Admin →
                                      • support CORS request

                                        It could be great to enable the CORS request ; configure the domains and the methods allowed

                                        8 votes
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                                        • add fraud detection engine

                                          can this be used for detecting unusual behaviour - like to detect fraud

                                          Our users are typically very very consistent in their usage patterns
                                          - this one always uses firefox on weekday mornings from this ip
                                          - this one always uses ie on weekday afternoons from these 2 ips
                                          - etc

                                          We would like to be able to detect if the info for the current login is unusual based on the previous logins, and require additional authentication if so.

                                          https://groups.google.com/forum/#!topic/predictionio-user/Oa6a7d_dcms

                                          7 votes
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