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LICS
2009
IEEE
14 years 3 months ago
Logics with Rank Operators
—We introduce extensions of first-order logic (FO) and fixed-point logic (FP) with operators that compute the rank of a definable matrix. These operators are generalizations o...
Anuj Dawar, Martin Grohe, Bjarki Holm, Bastian Lau...
APPROX
2009
Springer
153views Algorithms» more  APPROX 2009»
14 years 3 months ago
Average-Case Analyses of Vickrey Costs
We explore the average-case “Vickrey” cost of structures in a random setting: the Vickrey cost of a shortest path in a complete graph or digraph with random edge weights; the V...
Prasad Chebolu, Alan M. Frieze, Páll Melste...
BTW
2009
Springer
146views Database» more  BTW 2009»
14 years 3 months ago
Towards Flash Disk Use in Databases - Keeping Performance While Saving Energy?
Abstract: Green computing or energy saving when processing information is primarily considered a task of processor development. We, however, advocate that a holistic approach is ne...
Theo Härder, Karsten Schmidt 0002, Yi Ou, Seb...
HICSS
2008
IEEE
118views Biometrics» more  HICSS 2008»
14 years 3 months ago
Geographically Distributed Enterprise Architecting: Towards a Theoretical Framework
Enterprise architecting is becoming critical for most modern organizations whose competitive strategies are tightly linked to the underlying information technology (IT) infrastruc...
J. Alberto Espinosa, Frank Armour
HICSS
2008
IEEE
136views Biometrics» more  HICSS 2008»
14 years 3 months ago
Tag Clouds: Data Analysis Tool or Social Signaller?
We examine the recent information visualization phenomenon known as tag clouds, which are an interesting combination of data visualization, web design element, and social marker. ...
Marti A. Hearst, Daniela Karin Rosner