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» Recommender Systems by means of Information Retrieval
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CLEF
2009
Springer
14 years 10 months ago
Approaching Question Answering by Means of Paragraph Validation
In this paper we describe the system we developed for taking part in monolingual Spanish and English tasks at ResPubliQA 2009. Our system was composed by an IR phase focused on im...
Álvaro Rodrigo, Joaquín Pérez...
HICSS
2007
IEEE
135views Biometrics» more  HICSS 2007»
15 years 4 months ago
Extending the Applicability of Recommender Systems: A Multilayer Framework for Matching Human Resources
Recommender Systems (RS) so far have been applied to many fields of e-commerce in order to assist users in finding the products that best meet their preferences. However, while th...
Tobias Keim
DOLAP
2009
ACM
15 years 4 months ago
Query recommendations for OLAP discovery driven analysis
Recommending database queries is an emerging and promising field of investigation. This is of particular interest in the domain of OLAP systems where the user is left with the te...
Arnaud Giacometti, Patrick Marcel, Elsa Negre, Arn...
KDD
2006
ACM
172views Data Mining» more  KDD 2006»
15 years 10 months ago
Attack detection in time series for recommender systems
Recent research has identified significant vulnerabilities in recommender systems. Shilling attacks, in which attackers introduce biased ratings in order to influence future recom...
Sheng Zhang, Amit Chakrabarti, James Ford, Fillia ...
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RECSYS
2009
ACM
15 years 2 months ago
Effective diverse and obfuscated attacks on model-based recommender systems
Robustness analysis research has shown that conventional memory-based recommender systems are very susceptible to malicious profile-injection attacks. A number of attack models h...
Zunping Cheng, Neil Hurley