In the past conversational recommender systems have adopted a similarity-based approach to recommendation, preferring cases that are similar to some user query or profile. Recent research, however, has indicated the importance of diversity as an additional selection constraint. In this paper we attempt to clarify the role of diversity in conversational recommender systems, highlighting the pitf...

Recommender systems are software applications that belong to a class of personalized information filtering technologies that aim to support decision making in large information space. There are various techniques being used to achieve this goal in traditional and mobile recommender systems. The recommender systems techniques are usually classified in four main categories: Collaborative Filterin...

Over the years, amount of healthcare data has immensely increased due to technological development. Although it provided user with ease access, large amounts can be challenging information overload. In case domain, any misinterpreted may cause a severe situation. Recommender systems are proving beneficial their use in extracting required quickly. this paper, we conducted an analysis existing he...

In this work, we will provide a brief review of different recommender systems’ algorithms, which have been proposed in the recent literature. First, we will present the basic recommender systems’ challenges and problems. Then, we will give an overview of association rules, memorybased, model-based and hybrid recommendation algorithms. Finally, evaluation metrics to measure the performance of th...

It is apparent that m-commerce and e-commerce have various similarities from operational and services perspectives. However, at the same time, m-commerce has its own a unique technology driven business opportunities with its own unique characteristics, functions, opportunities and challenges. One successful application in e-commerce is personalized recommendations services as results of recomme...

Recommender systems are an AI technology that has become an essential part of business for many E-commerce sites. They serve many types of E-commerce applications, from direct product recommendation for an individual to helping someone find a gift for a third party. In this paper, we provide a brief overview of how recommender systems are being used in E-commerce today, and analyze four key cha...

A recommender system is a piece of software that helps users to identify the most interesting and relevant learning items from a large number of items. Recommender systems may be based on collaborative filtering (by user ratings), content-based filtering (by keywords), and hybrid filtering (by both collaborative and content-based filtering). Recommender systems have been a useful tool to recomm...

Recommender systems attempt to reduce information overload and retain customers by selecting a subset of items from a universal set based on user preferences. While research in recommender systems grew out of information retrieval and filtering, the topic has steadily advanced into a legitimate and challenging research area of its own. Recommender systems have traditionally been studied from a ...

Recommendation plays an increasingly important role in our daily lives. Recommender systems automatically suggest to a user items that might be of interest to her. Recent studies demonstrate that information from social networks can be exploited to improve accuracy of recommendations. In this paper, we present a survey of Collaborative Filtering(CF) based social recommender systems. We provide ...

Article history: Received March 29, 2011 Received in Revised form June, 18, 2011 Accepted 19 June 2011 Available online 20 June 2011 Recommender systems are tools for realization one to one marketing. Recommender systems are systems, which attract, retain, and develop customers. Recommender systems use several ways to make recommendations. Two ways are using more than the others: collaborative ...