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Approximate nearest search

Xem 1-1 trên 1 kết quả Approximate nearest search
  • Accurately representing synonymy using distributional similarity requires large volumes of data to reliably represent infrequent words. However, the na¨ve nearestı neighbour approach to comparing context vectors extracted from large corpora scales poorly (O(n2 ) in the vocabulary size). In this paper, we compare several existing approaches to approximating the nearestneighbour search for distributional similarity. We investigate the trade-off between efficiency and accuracy, and find that SASH (Houle and Sakuma, 2005) provides the best balance. ...

    pdf8p hongvang_1 16-04-2013 36 1   Download

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