ELI5: Explain Like I'm 5

Cross-language information retrieval

Cross-language information retrieval (CLIR) is when you want to find information in a language that you don't speak very well or at all. It's like trying to find your favorite toy in your friend's toy room, but their room is messy and all the toys have labels in a different language.

So, imagine you are looking for cats on the internet, but you only speak Spanish and the websites you find are in English. CLIR helps you search for cats on those English websites and then gives you the websites or articles that are related to cats, but translated into Spanish so you can understand them.

To do this, CLIR programs use a special system that compares the words you type in your language with the words in a different language, and identifies the ones that mean the same thing. It's like finding matching puzzle pieces.

For example, if you type in "gatos," which means "cats" in Spanish, the CLIR software will look for websites that have the word "cats" in English. And if the website has a lot of information about cats, the software will translate it into Spanish for you.

CLIR can be very helpful for people who speak different languages and want to share information or find information on a topic. It's like having a friend who speaks both languages and can help you communicate with people who don't speak your language.
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