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Joint Optimization of Wrapper Generation and Template Detection

Published on Sep 14, 20074074 Views

Many websites have large collections of pages generated dynamically from an underlying structured source like a database. The data of a category are typically encoded into similar pages by a common sc

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Chapter list

Joint Optimization of Wrapper Generation and Template Detection00:03
Outline00:39
Motivations01:05
Related Work02:05
Problems (cont.) (1)02:59
Problems (cont.) (2)03:13
Problems (1)03:45
Problems (2)04:10
Our Proposed Approach04:41
Problem Definition06:19
System Overview06:49
Wrapper Generation [6, 4, 18]07:42
Wrapper-DOM.Distance08:09
Wrapper-Oriented Page Clustering (WPC)08:45
Outline10:50
Experiments10:51
Effectiveness Test11:26
WPC with Different Thresholds13:11
Stability Test14:18
Demo!14:55
Conclusion18:08
Thanks!19:11