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20th IEEE International Conference on Distributed Computing Systems (ICDCS'00)
Detecting and Representing Relevant Web Deltas Using Web Join
Taipei, Taiwan
April 10-April 13
ISBN: 0-7695-0601-1
Sourav S. Bhowmick, Purdue University
Wee Keong Ng, Purdue University
Ee-Peng Lim, Purdue University
Sanjay Madria, Nanyang Technological University
In this paper, we show how to detect and represent web deltas, i.e., changes in Web information, that are relevant to a user's query in the context of our web warehousing system called WHOWEDA (Warehouse of Web Data). In WHOWEDA, Web information is materialized views stored in web tables and can be manipulated and analyzed using a set of web algebraic operators. In this paper, we present a mechanism to detect relevant web deltas using web join and outer web join. We show how to represent these changes using delta web tables.
Index Terms:
web deltas, web warehousing, web tables, web join, outer web join
Citation:
Sourav S. Bhowmick, Wee Keong Ng, Ee-Peng Lim, Sanjay Madria, "Detecting and Representing Relevant Web Deltas Using Web Join," icdcs, pp.246, 20th IEEE International Conference on Distributed Computing Systems (ICDCS'00), 2000
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