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146
Voted
OSDI
2008
ACM
16 years 4 months ago
A Comparison of High-Level Full-System Power Models
Dynamic power management in enterprise environments requires an understanding of the relationship between resource utilization and system-level power consumption. Power models bas...
Suzanne Rivoire, Parthasarathy Ranganathan, Christ...
161
Voted
ICALP
2009
Springer
16 years 4 months ago
Limits and Applications of Group Algebras for Parameterized Problems
The algebraic framework introduced in [Koutis, Proc. of the 35th ICALP 2008] reduces several combinatorial problems in parameterized complexity to the problem of detecting multili...
Ioannis Koutis, Ryan Williams
210
Voted
SIGMOD
2008
ACM
126views Database» more  SIGMOD 2008»
16 years 3 months ago
On efficient top-k query processing in highly distributed environments
Lately the advances in centralized database management systems show a trend towards supporting rank-aware query operators, like top-k, that enable users to retrieve only the most ...
Akrivi Vlachou, Christos Doulkeridis, Kjetil N&osl...
129
Voted
SIGMOD
2002
ACM
114views Database» more  SIGMOD 2002»
16 years 3 months ago
Time-parameterized queries in spatio-temporal databases
Time-parameterized queries (TP queries for short) retrieve (i) the actual result at the time that the query is issued, (ii) the validity period of the result given the current mot...
Yufei Tao, Dimitris Papadias
116
Voted
PODS
2001
ACM
85views Database» more  PODS 2001»
16 years 3 months ago
On XML Integrity Constraints in the Presence of DTDs
The paper investigates XML document speci cations with DTDs and integrity constraints, such as keysand foreign keys. We study the consistency problem of checking whether a given s...
Wenfei Fan, Leonid Libkin