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WECWIS
2002
IEEE
129views ECommerce» more  WECWIS 2002»
13 years 10 months ago
On the Sensitivity of Incremental Algorithms for Combinatorial Auctions
Despite the large amounts of runtime needed to adequately solve a combinatorial auction (CA), existing iterative CA auction protocols require winner determination during every rou...
Ryan Kastner, Christina Hsieh, Miodrag Potkonjak, ...
CC
2009
Springer
13 years 10 months ago
Scheduling Tasks to Maximize Usage of Aggregate Variables in Place
Single-assignment languages with copy semantics have a very simple and approachable programming model. A na¨ıve implementation of the copy semantics that copies the result of eve...
Samah Abu-Mahmeed, Cheryl McCosh, Zoran Budimlic, ...
SIGMOD
1999
ACM
108views Database» more  SIGMOD 1999»
13 years 10 months ago
DynaMat: A Dynamic View Management System for Data Warehouses
Pre-computation and materialization of views with aggregate functions is a common technique in Data Warehouses. Due to the complex structure of the warehouse and the different pro...
Yannis Kotidis, Nick Roussopoulos
STACS
1999
Springer
13 years 10 months ago
Lower Bounds for Dynamic Algebraic Problems
Abstract. We consider dynamic evaluation of algebraic functions (matrix multiplication, determinant, convolution, Fourier transform, etc.) in the model of Reif and Tate; i.e., if f...
Gudmund Skovbjerg Frandsen, Johan P. Hansen, Peter...
VLDB
1998
ACM
82views Database» more  VLDB 1998»
13 years 9 months ago
Resource Scheduling for Composite Multimedia Objects
Scheduling algorithms for composite multimedia presentations need to ensure that the user-defined synchronization constraints for the various presentation components are met. This...
Minos N. Garofalakis, Yannis E. Ioannidis, Banu &O...