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Questions tagged [search-engines]

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3 votes
2 answers

Match a string agains a set of regexes

There are several algorithms to match a (simple) string against a regular expression (see here). But if we have a lot of regexes, can we find one of them that matches the given string faster than ...
Mohemnist's user avatar
  • 230
1 vote
2 answers

question about probability ranking principle

I am studying IR and I am not clearly understand "probability ranking principle" ( I tried to google the definition, but i couldn't find clear answer.) I am assuming that it's system which ...
Dc Redwing's user avatar
1 vote
2 answers

What are some theory problems in Information Retrieval and Search Engines which are not yet solved or can be bettered?

I'm interested in IR and Search Engines and want to work on a theory problem in this space. Most thoughts that I get are focused towards implementation and would like to explore something not solved ...
gizgok's user avatar
  • 141