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GIS
2009
ACM
15 years 9 months ago
Annotating geospatial data based on its semantics
Geospatial information (GI) constitutes a significant portion of available data and are a key factor in planning and decision-making in a variety of domains,such as emergency man...
Carla Geovana N. Macário, Sidney Roberto de...
DSS
2008
114views more  DSS 2008»
15 years 6 months ago
Price formation and its dynamics in online auctions
This research uses functional data modelling to study the price formation process of online auctions. It conceptualizes the price curve and its first and second derivatives (veloc...
Ravi Bapna, Wolfgang Jank, Galit Shmueli
CSDA
2006
91views more  CSDA 2006»
15 years 6 months ago
Maximum a posteriori pruning on decision trees and its application to bootstrap BUMPing
The cost-complexity pruning generates nested subtrees and selects the best one. However, its computational cost is large since it uses holdout sample or cross-validation. On the o...
Jinseog Kim, Yongdai Kim
ESA
2009
Springer
143views Algorithms» more  ESA 2009»
16 years 1 months ago
On Optimally Partitioning a Text to Improve Its Compression
In this paper we investigate the problem of partitioning an input string T in such a way that compressing individually its parts via a basecompressor C gets a compressed output th...
Paolo Ferragina, Igor Nitto, Rossano Venturini
SAGA
2007
Springer
16 years 20 days ago
A VNS Algorithm for Noisy Problems and Its Application to Project Portfolio Analysis
Abstract. Motivated by an application in project portfolio analysis under uncertainty, we develop an algorithm S-VNS for solving stochastic combinatorial optimization (SCO) problem...
Walter J. Gutjahr, Stefan Katzensteiner, Peter Rei...