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153
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SIGMOD
2003
ACM
16 years 3 months ago
2003
ACM
With the growing importance of XML in data exchange, much research has been done in providing flexible query facilities to extract data from structured XML documents. In this pape...
117
Voted
SIGMOD
2001
ACM
16 years 3 months ago
2001
ACM
From the standpoint of satisfying human's informationneeds, the current digital library (DL) systems suffer from the following two shortcomings: (i) inadequate high-level cog...
111
Voted
SIGMOD
2001
ACM
16 years 3 months ago
2001
ACM
Materialized views can provide massive improvements in query processing time, especially for aggregation queries over large tables. To realize this potential, the query optimizer ...
128
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PODS
2001
ACM
16 years 3 months ago
2001
ACM
Several commercial applications, such as online comparison shopping and process automation, require integrating information that is scattered across multiple websites or XML docum...
137
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PODS
2002
ACM
16 years 3 months ago
2002
ACM
Data Warehousing and OLAPapplications typically view data as having multiple logical dimensions e.g., product, location with natural hierarchies de ned on each dimension. OLAP que...