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GIS
2008
ACM
16 years 7 months ago
Should SDBMS support a join index?: a case study from CrimeStat
Given a spatial crime data warehouse, that is updated infrequently and a set of operations O as well as constraints of storage and update overheads, the index type selection probl...
Pradeep Mohan, Ronald E. Wilson, Shashi Shekhar, B...
WWW
2001
ACM
16 years 7 months ago
ViBE: virtual biology experiments
The virtual laboratories enhance learning experiences by providing the student with a supplement to the physical lab. The laboratories allow students to perform exercises as in an...
Rajaram Subramanian, Ivan Marsic
CHI
2009
ACM
16 years 7 months ago
An evaluation of coordination techniques for protecting objects and territories in tabletop groupware
Indirect input techniques allow users to quickly access all parts of tabletop workspaces without the need for physical access; however, indirect techniques restrict the available ...
David Pinelle, Mutasem Barjawi, Miguel A. Nacenta,...
MOBISYS
2009
ACM
16 years 6 months ago
SPATE: small-group PKI-less authenticated trust establishment
Establishing trust between a group of individuals remains a difficult problem. Prior works assume trusted infrastructure, require an individual to trust unknown entities, or provi...
Yue-Hsun Lin, Ahren Studer, Hsu-Chun Hsiao, Jonath...
SIGMOD
2009
ACM
137views Database» more  SIGMOD 2009»
16 years 6 months ago
Advances in flash memory SSD technology for enterprise database applications
The past few decades have witnessed a chronic and widening imbalance among processor bandwidth, disk capacity, and access speed of disk. According to Amdhal's law, the perfor...
Sang-Won Lee, Bongki Moon, Chanik Park