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110
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BMCBI
2006
15 years 3 months ago
2006
Background: Amino acids in proteins are not used equally. Some of the differences in the amino acid composition of proteins are between species (mainly due to nucleotide compositi...
171
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ESA
2003
Springer
15 years 8 months ago
2003
Springer
We prove that various geometric covering problems, related to the Travelling Salesman Problem cannot be efficiently approximated to within any constant factor unless P = NP. This ...
133
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WWW
2007
ACM
16 years 4 months ago
2007
ACM
We describe collaborative efforts between a knowledge representation team, a community of scientists, and scientific information managers in developing knowledge models for ecolog...
137
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JUCS
2010
15 years 1 months ago
2010
: The fact that the World Wide Web is being used for various purposes also implies that users may have various information quality factors to consider according to their current co...
147
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EUROMICRO
2009
IEEE
15 years 7 months ago
2009
IEEE
Runtime quality of software, such as availability and throughput, depends on architectural factors and execution environment characteristics (e.g. CPU speed, network latency). Alth...