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Modified beam_search() to work with multi-character tokens #53

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Modified beam_search() to work with multi-character tokens #53

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9 changes: 6 additions & 3 deletions src/duplex.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -635,15 +635,18 @@ pub fn beam_search<D: Data<Elem = f32>, E: Data<Elem = usize>>(
}
}

let mut sequence = String::new();
let mut tokens: Vec<&str> = Vec::new();

if beam[0].node != ROOT_NODE {
for label in suffix_tree.iter_from_no_data(beam[0].node) {
sequence.push_str(&alphabet[label + 1]);
tokens.push(&alphabet[label + 1]);
}
}

Ok(sequence.chars().rev().collect())
tokens.reverse();
let sequence = tokens.concat();

Ok(sequence)
}

pub fn crf_beam_search<D: Data<Elem = f32>, E: Data<Elem = usize>>(
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10 changes: 7 additions & 3 deletions src/search.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -283,17 +283,21 @@ pub fn beam_search<D: Data<Elem = f32>>(
}

let mut path = Vec::new();
let mut sequence = String::new();
let mut tokens: Vec<&str> = Vec::new();

if beam[0].node != ROOT_NODE {
for (label, &time) in suffix_tree.iter_from(beam[0].node) {
path.push(time);
sequence.push_str(&alphabet[label + 1]);
tokens.push(&alphabet[label + 1]);
}
}

path.reverse();
Ok((sequence.chars().rev().collect::<String>(), path))
tokens.reverse();

let sequence = tokens.concat();

Ok((sequence, path))
}

fn find_max(
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