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IEICE TRANSACTIONS on Information

Accelerating Web Content Filtering by the Early Decision Algorithm

Po-Ching LIN, Ming-Dao LIU, Ying-Dar LIN, Yuan-Cheng LAI

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Summary :

Real-time content analysis is typically a bottleneck in Web filtering. To accelerate the filtering process, this work presents a simple, but effective early decision algorithm that analyzes only part of the Web content. This algorithm can make the filtering decision, either to block or to pass the Web content, as soon as it is confident with a high probability that the content really belongs to a banned or an allowed category. Experiments show the algorithm needs to examine only around one-fourth of the Web content on average, while the accuracy remains fairly good: 89% for the banned content and 93% for the allowed content. This algorithm can complement other Web filtering approaches, such as URL blocking, to filter the Web content with high accuracy and efficiency. Text classification algorithms in other applications can also follow the principle of early decision to accelerate their applications.

Publication
IEICE TRANSACTIONS on Information Vol.E91-D No.2 pp.251-257
Publication Date
2008/02/01
Publicized
Online ISSN
1745-1361
DOI
10.1093/ietisy/e91-d.2.251
Type of Manuscript
PAPER
Category
Contents Technology and Web Information Systems

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