Sciweavers

189 search results - page 12 / 38
» Efficient Distributed Algorithms to Build Inverted Files
Sort
View
ICMLA
2010
13 years 5 months ago
Multimodal Parameter-exploring Policy Gradients
Abstract-- Policy Gradients with Parameter-based Exploration (PGPE) is a novel model-free reinforcement learning method that alleviates the problem of high-variance gradient estima...
Frank Sehnke, Alex Graves, Christian Osendorfer, J...
EC
2006
195views ECommerce» more  EC 2006»
13 years 7 months ago
Automated Global Structure Extraction for Effective Local Building Block Processing in XCS
Learning Classifier Systems (LCSs), such as the accuracy-based XCS, evolve distributed problem solutions represented by a population of rules. During evolution, features are speci...
Martin V. Butz, Martin Pelikan, Xavier Llorà...
DEXA
2010
Springer
230views Database» more  DEXA 2010»
13 years 5 months ago
Hybrid Indexing and Seamless Ranking of Spatial and Textual Features of Web Documents
Abstract. There is a significant commercial and research interest in locationbased web search engines. Given a number of search keywords and one or more locations that a user is in...
Ali Khodaei, Cyrus Shahabi, Chen Li
SSDBM
2010
IEEE
142views Database» more  SSDBM 2010»
13 years 5 months ago
Efficient and Adaptive Distributed Skyline Computation
Skyline queries have attracted considerable attention over the last few years, mainly due to their ability to return interesting objects without the need for user-defined scoring f...
George Valkanas, Apostolos N. Papadopoulos
DASFAA
1999
IEEE
79views Database» more  DASFAA 1999»
13 years 12 months ago
Summary Grids: Building Accurate Multidimensional Histograms
Data summarization is very important for many data analysis tasks. In this paper we propose a simple but efficient data summarization algorithm, which outputs a histogram for mult...
Pedro Furtado, Henrique Madeira