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Self-taught hashing for fast similarity search

Zhang, Dell, Wang, Jun, Cai, Deng, Lu, Jinsong·2010·Proceedings of the 33rd international ACM SIGIR conference on Research and development in information retrieval

Abstract

The ability of fast similarity search at large scale is of great importance to many Information Retrieval (IR) applications. A promising way to accelerate similarity search is semantic hashing which designs compact binary codes for a large number of documents so that semantically similar documents are mapped to similar codes (within a short Hamming distance). Although some recently proposed techniques are able to generate high-quality codes for documents known in advance, obtaining the codes for previously unseen documents remains to be a very challenging problem. In this paper, we emphasise this issue and propose a novel Self-Taught Hashing (STH) approach to semantic hashing: we first find the optimal l-bit binary codes for all documents in the given corpus via unsupervised learning, and then train l classifiers via supervised learning to predict the l-bit code for any query document unseen before. Our experiments on three real-world text datasets show that the proposed approach using binarised Laplacian Eigenmap (LapEig) and linear Support Vector Machine (SVM) outperforms state-of-the-art techniques significantly.

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Metadata

Authors
Zhang, D., Wang, J., Cai, D., & Lu, J.
Venue
Proceedings of the 33rd international ACM SIGIR conference on Research and development in information retrieval
Publisher
ACM
Published
2010-07-19
Pages
18-25
OpenAlex
W1835419070
Cited by
347
References
52
FWCI
14.84
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: Self-taught hashing for fast similarity search. https://app.cochat.ai/papers/10.1145/1835449.1835455
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Zhang, D., Wang, J., Cai, D., & Lu, J. (2010). Self-taught hashing for fast similarity search. Proceedings of the 33rd international ACM SIGIR conference on Research and development in information retrieval. https://doi.org/10.1145/1835449.1835455

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