jiebaR (version 0.11)

simhash: Simhash computation

Description

Simhash worker uses the keyword extraction worker to find the keywords and uses simhash algorithm to compute simhash. dict hmm, idf and stop_word should be provided when initializing jiebaR worker.

Usage

simhash(code, jiebar)
vector_simhash(code, jiebar)

Arguments

code

For simhash, a Chinese sentence or the path of a text file. For vector_simhash, a character vector of segmented words.

jiebar

jiebaR Worker.

Details

There is a symbol <= for this function.

References

MS Charikar - Similarity Estimation Techniques from Rounding Algorithms

See Also

<=.simhash worker

Examples

# NOT RUN {
### Simhash
words = "hello world"
simhasher = worker("simhash",topn=1)
simhasher <= words
distance("hello world" , "hello world!" , simhasher)
# }