2845 search results - page 504 / 569 » Constraints over Ontologies |
SIGMOD
2001
ACM
14 years 9 months ago
2001
ACM
Digital archives are dedicated to the long-term preservation of electronic information and have the mandate to enable sustained access despite rapid technology changes. Persistent...
SIGMOD
2001
ACM
14 years 9 months ago
2001
ACM
Users often need to optimize the selection of objects by appropriately weighting the importance of multiple object attributes. Such optimization problems appear often in operation...
ICCD
2006
IEEE
14 years 5 months ago
2006
IEEE
Technology trends are driving parallel on-chip architectures in the form of multi-processor systems-on-a-chip (MPSoCs) and chip multi-processors (CMPs). In these systems the incre...
ISCA
2009
IEEE
14 years 3 months ago
2009
IEEE
Caching techniques have been an efficient mechanism for mitigating the effects of the processor-memory speed gap. Traditional multi-level SRAM-based cache hierarchies, especially...
FOCS
2008
IEEE
14 years 3 months ago
2008
IEEE
We prove that approximating the Max Acyclic Subgraph problem within a factor better than 1/2 is Unique-Games hard. Specifically, for every constant ε > 0 the following holds:...