Optimal threshold control by the robots of web search engines with obsolescence of documents.
Konstantin AvrachenkovAlexander N. DudinValentina I. KlimenokPhilippe NainOlga V. SemenovaPublished in: Comput. Networks (2011)
Keyphrases
- web search engines
- web documents
- user queries
- web search
- search engine
- relevance judgments
- robotic systems
- desired information
- search result
- web queries
- query logs
- major search engines
- mobile robot
- web pages
- ranking functions
- search queries
- information retrieval systems
- internet search engines
- query suggestion
- document collections
- information retrieval
- keywords
- web searches
- text documents
- document representation
- commercial search engines
- relevant documents
- vector space model
- xml documents
- document ranking