Talk:Inverted index: Difference between revisions
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: I am not sure I understand. What is a "full inverted index"? |
: I am not sure I understand. What is a "full inverted index"? |
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:: It's defined on the Wikipedia page you linked to. :-) Basically, it's keeping not just the file name/index, but also the index into the file of the word being indexed. What it means is that you can construct a metric over the words in the file so that you can say "this word is next to that one" in a relatively efficient fashion. –[[User:Dkf|Donal Fellows]] 08:37, 22 April 2010 (UTC) |
:: It's defined on the Wikipedia page you linked to. :-) Basically, it's keeping not just the file name/index, but also the index into the file of the word being indexed. What it means is that you can construct a metric over the words in the file so that you can say "this word is next to that one" in a relatively efficient fashion. –[[User:Dkf|Donal Fellows]] 08:37, 22 April 2010 (UTC) |
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::: Since the specification did not say anything about supporting phrase searching, I imagine that that should be a different task. --[[User:Rdm|Rdm]] 14:04, 29 April 2010 (UTC) |
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: Re “production code / fts module”, I just wanted to take away the mystery of search a little. Will try to do [http://en.wikipedia.org/wiki/Disjoint-set_data_structure union-find] soon. --[[User:Tinku99|Tinku99]] 19:27, 21 April 2010 (UTC) |
: Re “production code / fts module”, I just wanted to take away the mystery of search a little. Will try to do [http://en.wikipedia.org/wiki/Disjoint-set_data_structure union-find] soon. --[[User:Tinku99|Tinku99]] 19:27, 21 April 2010 (UTC) |
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