文件名称:
Mining the Web: Discovering Knowledge from Hypertext Data
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文件大小: 3mb
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上传时间: 2012-05-02
详细说明： 1 introduction 1.1 crawling and indexing 1.2 topic directories 1.3 clustering and classification 1.4 hyperlink analysis 1.5 resource discovery and vertical portals 1.6 structured vs. unstructured data mining 1.7 bibliographic notes part ⅰ infrastructure 2 crawling the web 2.1 html and http basics 2.2 crawling basics 2.3 engineering large-scale crawlers 2.3.1 dns caching, prefetching, and resolution 2.3.2 multiple concurrent fetches 2.3.3 link extraction and normalization 2.3.4 robot exclusion 2.3.5 eliminating already-visited urls 2.3.6 spider traps 2.3.7 avoiding repeated expansion of links on duplicate pages . 2.3.8 load monitor and manager 2.3.9 per-server work-queues 2.3.10 text repository 2.3.11 refreshing crawled pages 2.4 putting together a crawler 2.4.1 design of the core components 2.4.2 case study: using w3c-libwww 2.5 bibliographic notes 3 web search and information retrieval 3.1 boolean queries and the inverted index 3.1.1 stopwords and stemming 3.1.2 batch indexing and updates 3.1.3 index compression techniques 3.2 relevance ranking 3.2.1 recall and precision 3.2.2 the vector-space model 3.2.3 relevance feedback and rocchio?s method 3.2.4 probabilistic relevance feedback models 3.2.5 advanced issues 3.3 similarity search 3.3.1 handling òfind-similaró queries 3.3.2 eliminating near duplicates via shingling 3.3.3 detecting locally similar subgraphs of the web 3.4 bibliographic notes part ⅱ learning part ⅲ applications references index ...展开收缩
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