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EDBT
2006
ACM
255views Database» more  EDBT 2006»
14 years 9 months ago
FIS-by-Step: Visualization of the Fast Index Scan for Nearest Neighbor Queries
Abstract. Many different index structures have been proposed for spatial databases to support efficient query processing. However, most of these index structures suffer from an exp...
Elke Achtert, Dominik Schwald
CHI
2010
ACM
14 years 4 months ago
Using concept maps to evaluate the usability of APIs
Application programming interfaces (APIs) are the interfaces to existing code structures, such as widgets, frameworks, or toolkits. Therefore, they very much do have an impact on ...
Jens Gerken, Hans-Christian Jetter, Harald Reitere...
DSN
2009
IEEE
14 years 4 months ago
Spam detection in voice-over-IP calls through semi-supervised clustering
In this paper, we present an approach for detection of spam calls over IP telephony called SPIT in VoIP systems. SPIT detection is different from spam detection in email in that t...
Yu-Sung Wu, Saurabh Bagchi, Navjot Singh, Ratsamee...
IPPS
2009
IEEE
14 years 4 months ago
Improving RDMA-based MPI eager protocol for frequently-used buffers
MPI is the main standard for communication in high-performance clusters. MPI implementations use the Eager protocol to transfer small messages. To avoid the cost of memory registr...
Mohammad J. Rashti, Ahmad Afsahi
AIRWEB
2009
Springer
14 years 3 months ago
Social spam detection
The popularity of social bookmarking sites has made them prime targets for spammers. Many of these systems require an administrator’s time and energy to manually filter or remo...
Benjamin Markines, Ciro Cattuto, Filippo Menczer