Struct Index

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pub struct Index<IdType>where
    IdType: Clone + Eq + Hash + Serialize + Debug,{
    pub index: HashMap<IdType, (DefaultSparseVec<u16>, u64)>,
    pub avg_tokens_len: u64,
    pub max_tokens_len: u64,
    pub idf: Map<Vec<u8>>,
    pub total_doc_count: u64,
}

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§index: HashMap<IdType, (DefaultSparseVec<u16>, u64)>§avg_tokens_len: u64§max_tokens_len: u64§idf: Map<Vec<u8>>§total_doc_count: u64

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impl<IdType> Index<IdType>
where IdType: Clone + Eq + Hash + Serialize + Debug,

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pub fn new_with_set( index: HashMap<IdType, (DefaultSparseVec<u16>, u64)>, idf: Map<Vec<u8>>, avg_tokens_len: u64, max_tokens_len: u64, total_doc_count: u64, ) -> Self

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pub fn get_index(&self) -> &HashMap<IdType, (DefaultSparseVec<u16>, u64)>

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pub fn search_cos_similarity( &self, query: &[&str], n: usize, ) -> Vec<(&IdType, f64)>

単純なコサイン類似度検索

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pub fn search_cos_similarity_tuned( &self, query: &[&str], n: usize, b: f64, ) -> Vec<(&IdType, f64)>

文書長を正規化するパラメータを入れたコサイン類似度検索

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pub fn search_bm25_tfidf( &self, query: &[&str], n: usize, k1: f64, b: f64, ) -> Vec<(&IdType, f64)>

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pub fn synthesize_index(&mut self, other: Self)

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pub fn bm25_with_csvec_optimized( query_vec: &DefaultSparseVec<u16>, doc_vec: &DefaultSparseVec<u16>, doc_len: u64, avg_doc_len: f64, k1: f64, b: f64, ) -> f64

Trait Implementations§

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impl<IdType> Clone for Index<IdType>
where IdType: Clone + Eq + Hash + Serialize + Debug + Clone,

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fn clone(&self) -> Index<IdType>

Returns a copy of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl<IdType> Debug for Index<IdType>
where IdType: Clone + Eq + Hash + Serialize + Debug + Debug,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<IdType> UnwindSafe for Index<IdType>
where IdType: UnwindSafe,

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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