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CEC
2011
IEEE
12 years 7 months ago
On universal search strategies for multi-criteria optimization using weighted sums
—We develop a stochastic local search algorithm for finding Pareto points for multi-criteria optimization problems. The algorithm alternates between different single-criterium o...
Julien Legriel, Scott Cotton, Oded Maler
CORR
2012
Springer
292views Education» more  CORR 2012»
12 years 3 months ago
Optimal Threshold Control by the Robots of Web Search Engines with Obsolescence of Documents
A typical web search engine consists of three principal parts: crawling engine, indexing engine, and searching engine. The present work aims to optimize the performance of the cra...
Konstantin Avrachenkov, Alexander N. Dudin, Valent...
EDBT
2012
ACM
225views Database» more  EDBT 2012»
11 years 9 months ago
Differentially private search log sanitization with optimal output utility
Web search logs contain extremely sensitive data, as evidenced by the recent AOL incident. However, storing and analyzing search logs can be very useful for many purposes (i.e. in...
Yuan Hong, Jaideep Vaidya, Haibing Lu, Mingrui Wu
EVOW
2011
Springer
12 years 11 months ago
Local Search for Mixed-Integer Nonlinear Optimization: A Methodology and an Application
Abstract. A methodology is presented for tackling mixed-integer nonlinear optimization problems by local search, in particular large-scale real-life problems. This methodology is i...
Frédéric Gardi, Karim Nouioua
SIGMOD
2012
ACM
203views Database» more  SIGMOD 2012»
11 years 9 months ago
Optimizing index for taxonomy keyword search
Query substitution is an important problem in information retrieval. Much work focuses on how to find substitutes for any given query. In this paper, we study how to efficiently ...
Bolin Ding, Haixun Wang, Ruoming Jin, Jiawei Han, ...