I am interested in doing some document clustering, and right now I am considering using TF-IDF for this.
I\'m writing a piece of java software that has to make the final judgement on the similarity of two documents encoded in UTF-8.
Consider the following search results: Google for \'David\' - 591 millions hits in 0.28 sec Google for \'John\' - 785 millions hits in 0.18 sec
Can anyone explain me what isnon-serializable in transaction DB. pleas开发者_Go百科e give me an example.r1(x) r2(x)w1(y) c2 c1 is this non-serializable? Imagine this table (in Oracle):
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As part of a research project I\'m currently looking for open-source implementations of self-indexing algorithms, i.e. a compressed form of the traditional inverted index yielding nice characteristics
I have two structs like so: public struct KeyLog { Keys key; DateTime time; } public struct MouseLog { MouseEvents mouse;
I want to get a related [things/questions] in my app, similar to what StackOverflow does, when you tab out of the Title field.
Lets say I have 4 different values A,B,C,D with sets of identifiers attached. A={1,2,3,4,5} B={8,9,4} C={3,4,5}
I\'m doing work on information extraction, and I need a tool to crawl data from web page , is there a popular 开发者_如何学Goone in windows?From: http://en.wikipedia.org/wiki/Web_crawler:
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