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Query a LSH cache for matches to a single document

Source: R/lsh_query.R
lsh_query.Rd

This function retrieves the matches for a single document from an lsh_buckets object created by lsh. See lsh_candidates to retrieve all pairs of matches.

Usage

lsh_query(buckets, id)

Arguments

buckets

An lsh_buckets object created by lsh.

id

The document ID to find matches for.

Value

An lsh_candidates data frame with matches to the document specified.

See also

lsh, lsh_candidates

Examples

dir <- system.file("extdata/legal", package = "textreuse")
minhash <- minhash_generator(200, seed = 235)
corpus <- TextReuseCorpus(dir = dir,
                          tokenizer = tokenize_ngrams, n = 5,
                          minhash_func = minhash)
buckets <- lsh(corpus, bands = 50)
lsh_query(buckets, "ny1850-match")
#> # A tibble: 1 × 2
#>   a            b           
#>   <chr>        <chr>       
#> 1 ny1850-match ca1851-match