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PVLDB
2011
14 years 5 months ago
Social Content Matching in MapReduce
Matching problems are ubiquitous. They occur in economic markets, labor markets, internet advertising, and elsewhere. In this paper we focus on an application of matching for soci...
Gianmarco De Francisci Morales, Aristides Gionis, ...
PERCOM
2011
ACM
14 years 2 months ago
Is ontology-based activity recognition really effective?
—While most activity recognition systems rely on data-driven approaches, the use of knowledge-driven techniques is gaining increasing interest. Research in this field has mainly...
Daniele Riboni, Linda Pareschi, Laura Radaelli, Cl...
IS
2011
14 years 2 months ago
Collection trees for event-monitoring queries
In this paper we present algorithms for building and maintaining efficient collection trees that provide the conduit to disseminate data required for processing monitoring queries...
Antonios Deligiannakis, Yannis Kotidis, Vassilis S...
PERCOM
2011
ACM
14 years 2 months ago
Ranges of human mobility in Los Angeles and New York
—The advent of ubiquitous, mobile, personal devices creates an unprecedented opportunity to improve our understanding of human movement. In this work, we study human mobility in ...
Sibren Isaacman, Richard Becker, Ramón C&aa...
DIMVA
2011
14 years 2 months ago
Operating System Interface Obfuscation and the Revealing of Hidden Operations
Many software security solutions—including malware analyzers, information flow tracking systems, auditing utilities, and host-based intrusion detectors—rely on knowledge of s...
Abhinav Srivastava, Andrea Lanzi, Jonathon T. Giff...