Frequently Asked Questions

• Installation
  • How to check the environment variables on Windows
  • How to install Tesseract-3 on Debian
  • How to reset a forgotten username or password
  • Known exceptions and error messages
  • Out of memory issue
  • How to monitor an OpenSearchServer instance
• Crawling
  • How to exclude part of a Web page from being crawled
  • How to use Selenium to crawl websites
  • How the lang of webpages are detected
  • How to extract specific information from web pages
  • How to use the URL filter feature
  • How to use variables with the Database Crawler
  • How to configure an incremental Database crawl process
  • How to configure the crawl process of the Web crawler
  • How to crawl a MongoDB server
  • Crawling and searching images
• Parsing
  • XPATH parsing
  • How to parse YouTube URLs and extract data
• Indexing
  • How to set up stop words
  • How to use analyzers
• Querying
  • Improving relevancy with "Mirror AND filter"
  • Indexing your documents with geolocation information
  • Allowing search within words
  • Sorting on a specific field then on relevance
  • How to use the More Like This feature
  • How to use synonyms
  • How to use filters on a query
  • How to replicate and merge indexes
  • How to delete documents
  • How to configure advanced authentication
  • How to make an exact search
  • How to export data to an URL

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