Detecting and representing relevant Web deltas in WHOWEDA
作者： Sourav S. Bhowmick , Sanjay Kumar Madria , Wee Keong Ng , None
DOI: 10.1109/TKDE.2003.1185843
关键词: Web service 、 Web search query 、 Web modeling 、 World Wide Web 、 The Internet 、 Web server 、 Web development 、 Web page 、 Web mapping 、 Data Web 、 Web 2.0 、 Static web page 、 Semantic Web Stack 、 Web mining 、 Data warehouse 、 Computer science 、 Social Semantic Web 、 Web navigation 、 Materialized view
摘要: In this paper, we present a mechanism for detecting and representing changes, given the old new versions of set interlinked Web documents, retrieved in response to user's query. particular, show how detect represent deltas, i.e., changes documents that are relevant query context our warehousing system called WHOWEDA (Warehouse Data). WHOWEDA, information is materialized views stored tables form tuples. These tuples, represented as directed graphs, can be manipulated using algebraic operators. deltas operators such join outer join. used identical residing two tables, whereas, join, derivative identify dangling We these delta tables. develop formal algorithms generation identifying which have been added, deleted, or modified since last
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