collaborative-filtering
mahout collaborative-filtering input binary dataset
i am new to mahout. I have already used mahout\'s item based algorithm with a loglikelihood similarity measure. I read in past threads that it is better to use loglikelihood similarity when the reco[详细]
2023-04-10 06:11 分类:问答Mahout servlets per data model
I am implementing the Mahout user-based recommendation engine where the recommendations will be served via RecommenderServlet running in Tomcat.[详细]
2023-04-08 22:50 分类:问答Similarity function for Mahout boolean user-based recommender
I am using Mahout to build a user-based recommendation system which operates with boolean data. I use GenericBooleanPrefUserBasedRecommender, NearestNUserNeighborhood and now trying to decide about t[详细]
2023-04-08 11:00 分类:问答Architecture & Essential Components of StumbleUpon's Recommendation Engine
I would like to know how stumbleupon recommends articles for its users?. Is it using a neural network or some sort of machine-learning algorithms or is it actually recommending articles based on wha[详细]
2023-04-06 08:51 分类:问答What is collaborative Intelligent filtering?
i looked it up in the internet (ofcourse), and found nothing like it exactly, what I saw was in开发者_Go百科telligent collaborative filtering and simply collaborative filtering. For what it\'s worth,[详细]
2023-04-04 03:01 分类:问答Mahout Log Likelihood similarity metric behaviour
The problem I\'m trying to solve is finding the right similarity metric, rescorer heuristic and filtration level for my data. (I\'m using \'filtration level\' to mean the amount of ratings that a user[详细]
2023-03-28 13:07 分类:问答What are the most efficient algorithms to recommend items to groups of users?
Using collaborative filtering usually applies to giving ratings to an individual user, but how would these algorithms change when nee开发者_运维百科ding to recommend an item(s) to multiple people (for[详细]
2023-03-20 21:34 分类:问答A personalized email algorithm
I\'ve been delving into a lot of recommendation algorithms lately (collaborative filtering mostly) and I\'ve found quite a lot of answers on recommending an item based on either a specific user or ite[详细]
2023-03-08 06:50 分类:问答Recommender system: simple user-based collaborative filtering to evaluate with precision and recall
I\'m looking for a very simple implementation in Java of a user-based collaborative filtering. I would like to evaluate the precision and recall of this CF with the movielens dataset. I\'ve seen that[详细]
2023-03-05 01:52 分类:问答Pearson Correlation problem
I\'m not sure which figures to use below in a problem Im trying to solve that involves using the Pearson Correlation formula.[详细]
2023-03-04 05:16 分类:问答