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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Tan Jianlong Liu Xia Liu Yanbing Liu Ping |
| Copyright Year | 2011 |
| Description | Author affiliation: Institute of Computing Technology, Chinese Academy of Sciences, Beijing, 100190, China (Tan Jianlong; Liu Xia; Liu Yanbing; Liu Ping) |
| Abstract | String matching plays a key role in web content monitoring systems. Suffix matching algorithms have good time efficiency, and thus are widely used. These algorithms require that all patterns in a set have the same length. When the patterns cannot satisfy this requirement, the leftmost characters, m being the length of the shortest pattern, are extracted to construct the data structure. We call such -character strings partial strings. However, a simple extraction from the left does not address the impact of partial string locations on search speed. We propose a novel method to extract the partial strings from each pattern which maximizes search speed. More specifically, with this method we can compute all the corresponding searching time cost by theoretical derivation, and choose the location which yields an approximately minimal search time. We evaluate our method on two rule sets: Snort and ClamAV. Experiments show that in most cases, our method achieves the fastest searching speed in all possible locations of partial string extraction, and is about 5%–20% faster than the alternative methods. |
| Starting Page | 1030 |
| Ending Page | 1035 |
| File Size | 587301 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781457702495 |
| e-ISBN | 9781457702488 |
| DOI | 10.1109/INFCOMW.2011.5928778 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2011-04-10 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Training Algorithm design and analysis multiple string matching Wu Manber algorithm pattern matching Bills of materials Automata SBOM algorithm Data structures string matching Data mining Pattern matching |
| Content Type | Text |
| Resource Type | Article |
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