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VLDB
2004
ACM
118views Database» more  VLDB 2004»
14 years 7 days ago
On the performance of bitmap indices for high cardinality attributes
It is well established that bitmap indices are efficient for read-only attributes with low attribute cardinalities. For an attribute with a high cardinality, the size of the bitma...
Kesheng Wu, Ekow J. Otoo, Arie Shoshani
GLOBECOM
2007
IEEE
14 years 1 months ago
Non-Cooperative Dynamic Spectrum Access for CDMA Networks
— Recent studies indicate the presence of a significant amount of idle licensed spectrum, in different time periods and geographic locations. Prompted by the latest regulatory ch...
George Alyfantis, Giannis F. Marias, Stathes Hadji...
SIGMETRICS
2002
ACM
128views Hardware» more  SIGMETRICS 2002»
13 years 6 months ago
High-density model for server allocation and placement
It is well known that optimal server placement is NP-hard. We present an approximate model for the case when both clients and servers are dense, and propose a simple server alloca...
Craig W. Cameron, Steven H. Low, David X. Wei
SIGMOD
2011
ACM
150views Database» more  SIGMOD 2011»
12 years 9 months ago
WHAM: a high-throughput sequence alignment method
Over the last decade the cost of producing genomic sequences has dropped dramatically due to the current so called “next-gen” sequencing methods. However, these next-gen seque...
Yinan Li, Allison Terrell, Jignesh M. Patel
ISF
2008
114views more  ISF 2008»
13 years 6 months ago
An OVAL-based active vulnerability assessment system for enterprise computer networks
Abstract Many security problems are caused by vulnerabilities hidden in enterprise computer networks. It is very important for system administrators to have knowledge about the sec...
Xiuzhen Chen, Qinghua Zheng, Xiaohong Guan