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Block world problem8/1/2023 ![]() ![]() Instead of a tag, you can return an X-Robots-Tag If you want to add a meta tag to your website, search for instructionsĪbout modifying the of your page on your CMS (for example, Settings page or some other mechanism to tell search engines about meta tags. Instead, your CMS might have a search engine Your HTML directly, or you might prefer not to. If you use a CMS, such as Wix, WordPress, or Blogger, you might not be able to edit Still appear in results from other search engines. As a result, it is possible that your page might To prevent only Google web crawlers from indexing a page:īe aware that some search engines might interpret the To prevent all search engines that support the noindex rule from indexingĪ page on your site, place the following tag into the ForĮxample, you can join a nofollow hint with a noindex rule: You can also combine the noindex rule with other rules that control indexing. Noindex rule in the robots.txt file is not supported by Google. They have the same effect choose the method that is moreĬonvenient for your site and appropriate for the content type. There are two ways to implement noindex: as a tag andĪs an HTTP response header. Using noindex is useful if you don't have root access to your server, as itĪllows you to control access to your site on a page-by-page basis. Noindex rule, and the page can still appear in search results, for example Robots.txt file or the crawler can't access the page, the crawler will never see the Or resource must not be blocked by a robots.txt file, and it has to be otherwiseĪccessible to the crawler. Important: For the noindex rule to be effective, the page Regardless of whether other sites link to it. When Googlebot crawls that page andĮxtracts the tag or header, Google will drop that page entirely from Google Search results, Support the noindex rule, such as Google. The goal here is to move Block B from the middle of the pile on the left and onto the top of the pile on the right.Tag or HTTP response header and is used to prevent indexing content by search engines that The first item in each 2-tuple should be what block is being moved, and the second item should be where it is being moved to-either the name of another block or “Table” if it is to be put into a new pile.įor example, imagine the following initial and target state: Optimal moves have always been chosen How to RunĪn initial arrangement of blocks and a goal arrangement of blocks will be given, the agent will return a list of moves that will transform the initial state into the goal state. Zero, which means it has reached the goal state. Will keep this operation for each block of the left stack until the difference reaches If not, move the top block to the table, skip if aīlock is already on the table alone, then use this state as the new state. To the right stack, followed by checking if the difference has been reduced. The agent was designed to always try firstly moving the top block of the left stack The technique behind the agent is: first use Generate & Test to generate a possible state, then use Means-Ends Analysis to choose the best state to move to. This Python project implements an agent that can solve Block World problems optimally(in the minimum number of moves) for an arbitrary initial arrangement of blocks (A-Z, 26 blocks maximum). A block may not be moved if there is another block on top of it. Only one block may be moved at a time, it may be placed either on the table or on top of another block. ![]() The goal is to build one or more vertical stacks of blocks, turn the initial state into the goal state. The block world problem is one of the most famous planning domains in artificial intelligence. ![]()
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