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RECSYS
2015
ACM
8 years 14 days ago
Asymmetric Recommendations: The Interacting Effects of Social Ratings? Direction and Strength on Users' Ratings
In social recomendation systems, users often publicly rate objects such as photos, news articles or consumer products. When they appear in aggregate, these ratings carry social si...
Oded Nov, Ofer Arazy
RECSYS
2015
ACM
8 years 14 days ago
Automatic Selection of Linked Open Data Features in Graph-based Recommender Systems
In this paper we compare several techniques to automatically feed a graph-based recommender system with features extracted from the Linked Open Data (LOD) cloud. Specifically, we...
Cataldo Musto, Pierpaolo Basile, Marco de Gemmis, ...
RECSYS
2015
ACM
8 years 14 days ago
Word Embedding Techniques for Content-based Recommender Systems: An Empirical Evaluation
This work presents an empirical comparison among three widespread word embedding techniques as Latent Semantic Indexing, Random Indexing and the more recent Word2Vec. Specificall...
Cataldo Musto, Giovanni Semeraro, Marco de Gemmis,...
RECSYS
2015
ACM
8 years 14 days ago
Top-N Recommendation with Missing Implicit Feedback
In implicit feedback datasets, non-interaction of a user with an item does not necessarily indicate that an item is irrelevant for the user. Thus, evaluation measures computed on ...
Daryl Lim, Julian McAuley, Gert R. G. Lanckriet
RECSYS
2015
ACM
8 years 14 days ago
Predicting Online Performance of News Recommender Systems Through Richer Evaluation Metrics
We investigate how metrics that can be measured offline can be used to predict the online performance of recommender systems, thus avoiding costly A-B testing. In addition to accu...
Andrii Maksai, Florent Garcin, Boi Faltings
RECSYS
2015
ACM
8 years 14 days ago
News2Images: Automatically Summarizing News Articles into Image-Based Contents via Deep Learning
Compact representation is a key issue for effective information delivery to users in mobile content-providing services. In particular, it is more severe when providing text docume...
Jung-Woo Ha, Dongyeop Kang, Hyuna Pyo, Jeonghee Ki...
RECSYS
2015
ACM
8 years 14 days ago
Beyond "Hitting the Hits": Generating Coherent Music Playlist Continuations with the Right Tracks
Automated playlist generation is a special form of music recommendation and a common feature of digital music playing applications. A particular challenge of the task is that the ...
Dietmar Jannach, Lukas Lerche, Iman Kamehkhosh
RECSYS
2015
ACM
8 years 14 days ago
A Recommendation-Based Book-Exchange System Without Using Wish Lists
We introduce EasyEx, a recommendation-based book exchange system which identifies potential exchanges for a user solely based on the user’s item list. EasyEx is novel, since it...
Maria Soledad Pera, Yiu-Kai Ng
RECSYS
2015
ACM
8 years 14 days ago
Context-Aware Recommendations for Mobile Shopping
This paper presents a context-aware mobile shopping recommender system. A critique-based baseline recommender system is enhanced by the integration of context conditions like weat...
Béatrice Lamche, Yannick Rödl, Claudiu...
RECSYS
2015
ACM
8 years 14 days ago
Exploiting Regression Trees as User Models for Intent-Aware Multi-attribute Diversity
Diversity in a recommendation list has been recognized as one of the key factors to increase user’s satisfaction when interacting with a recommender system. Analogously to the m...
Paolo Tomeo, Tommaso Di Noia, Marco de Gemmis, Pas...