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CAISE
2003
Springer
16 years 5 hour ago
Processing Queries in a Large Peer-to-Peer System
While current search engines seem to easily handle the size of the data available on the Internet, they cannot provide fresh results. The most up-to-date data always resides on the...
Leonidas Galanis, Yuan Wang, Shawn R. Jeffery, Dav...
RECSYS
2009
ACM
15 years 11 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
SDM
2010
SIAM
156views Data Mining» more  SDM 2010»
15 years 8 months ago
Unsupervised Discovery of Abnormal Activity Occurrences in Multi-dimensional Time Series, with Applications in Wearable Systems
We present a method for unsupervised discovery of abnormal occurrences of activities in multi-dimensional time series data. Unsupervised activity discovery approaches differ from ...
Alireza Vahdatpour, Majid Sarrafzadeh
IADIS
2004
15 years 8 months ago
Instructional Systems Practices at USA Carnegie One Universities
In my Research Analyst capacity at the University of California Davis School of Education until November 2003, I performed a web-based research study of Instructional Systems IS a...
Maria Lorna A. Kunnath
MASCOTS
2001
15 years 8 months ago
Large-Scale Simulation of Replica Placement Algorithms for a Serverless Distributed File System
Farsite is a scalable, distributed file system that logically functions as a centralized file server but that is physically implemented on a set of client desktop computers. Farsi...
John R. Douceur, Roger Wattenhofer