Collaborative filtering with temporal dynamics
Proceedings of the 15th ACM SIGKDD international conference on Knowledge discovery and data mining
Collaborative filtering with temporal dynamics
Communications of the ACM
User Modeling and User-Adapted Interaction
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Recommender systems have emerged as an important part of the solution to the information overload problem facing today's Web users. Combining ideas and techniques from information filtering, user modeling, artificial intelligence, user interface design and human-computer interaction, recommender systems provide users with proactive suggestions that are tailored to meet their particular information needs and preferences. Indeed recommender systems have enjoyed considerable commercial success and continue to play an increasingly important role in many online services, from Amazon and Yahoo! to iTunes and Last.fm. It is our great pleasure to welcome you to the Second ACM International Conference on Recommender Systems (RecSys), which builds on a wonderful legacy of research workshops, the Recommenders Summer School held in Bilbao in 2006, and the First ACM International Conference on Recommender Systems held in Minneapolis in 2007. This conference brings together leaders in the field, from both research and practice, to explore the latest innovations, challenges, and opportunities for recommender systems technologies. The call for papers attracted 121 submissions, a more than 100% increase compared to 2007, with authors from nearly 30 different countries. After a detailed scientific review process the program committee selected 38 papers for publication in the proceedings and presentation at the conference, a 31% acceptance rate. Of these 38 papers, 20 full-length papers were accepted for oral presentation and 18 papers for poster presentation, of which 15 were full-length papers and 3 were short-papers. In addition, the conference program includes a keynote presentation by Yahoo!'s Andrei Broder; two panel sessions filled with industry leaders sharing experiences and raising challenges for the research community; and presentations of six early-stage recommender start-ups, each bidding to win a $100,000 prize from Strands, Inc. The conference also includes three tutorials, in which leaders of the field explore hot topics in more detail; and a doctoral symposium to provide an opportunity for doctoral students to explore and develop their research interests in an interdisciplinary workshop, under the guidance of a panel of distinguished research faculty.