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JIS
2008
119views more  JIS 2008»
13 years 8 months ago
A three-year study on the freshness of web search engine databases
This paper deals with one aspect of the index quality of search engines: index freshness. The purpose is to analyse the update strategies of the major Web search engines Google, Y...
Dirk Lewandowski
CSE
2009
IEEE
14 years 3 months ago
Information Flow and Search in Unstructured Keyword Based Social Networks
—In online social networks (OSNs), user connections can be represented as a network. The network formed has distinct properties that distinguish it from other network topologies....
Ankush Garg, Prantik Bhattacharyya, Charles U. Mar...
WEBDB
2007
Springer
159views Database» more  WEBDB 2007»
14 years 3 months ago
A clustering-based sampling approach for refreshing search engine's database
Due to resource constraints, search engines usually have difficulties keeping the local database completely synchronized with the Web. To detect as many changes as possible, the ...
Qingzhao Tan, Ziming Zhuang, Prasenjit Mitra, C. L...
CEC
2010
IEEE
13 years 21 days ago
Co-evolutionary search path planning under constrained information-sharing for a cooperative unmanned aerial vehicle team
—Mobile cooperative sensor networks are increasingly used for surveillance and reconnaissance tasks to support domain picture compilation. However, efficient distributed informat...
Jean Berger, Jens Happe
CORR
2012
Springer
292views Education» more  CORR 2012»
12 years 4 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...