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COCOA
2009
Springer
13 years 8 months ago
An Effective Hybrid Algorithm for the Circles and Spheres Packing Problems
stract to be announcedPlenary session 09:00-10:00 Panos M, Pardalos, University of Florida, USA Tea Break 10:00-10:20 At the 1st floor 10:20-10:45 Polynomial Approximation Schemes ...
Jingfa Liu, Yonglei Yao, Yu Zheng, Huantong Geng, ...
VLDB
1995
ACM
155views Database» more  VLDB 1995»
13 years 8 months ago
Aggregate-Query Processing in Data Warehousing Environments
In this paper we introduce generalized projections (GPs), an extension of duplicateeliminating projections, that capture aggregations, groupbys, duplicate-eliminating projections ...
Ashish Gupta, Venky Harinarayan, Dallan Quass
PODS
2011
ACM
238views Database» more  PODS 2011»
12 years 7 months ago
Beyond simple aggregates: indexing for summary queries
Database queries can be broadly classified into two categories: reporting queries and aggregation queries. The former retrieves a collection of records from the database that mat...
Zhewei Wei, Ke Yi
JCP
2008
142views more  JCP 2008»
13 years 4 months ago
QoS Aware Query Processing Algorithm for Wireless Sensor Networks
In sensor networks, continuous query is commonly used for collecting periodical data from the objects under monitoring. This sort of queries needs to be carefully designed, in orde...
Jun-Zhao Sun
GECCO
2005
Springer
157views Optimization» more  GECCO 2005»
13 years 10 months ago
Simple addition of ranking method for constrained optimization in evolutionary algorithms
During the optimization of a constrained problem using evolutionary algorithms (EAs), an individual in the population can be described using three important properties, i.e., obje...
Pei Yee Ho, Kazuyuki Shimizu