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DOCENG
2004
ACM
14 years 2 months ago
Querying XML documents by dynamic shredding
With the wide adoption of XML as a standard data representation and exchange format, querying XML documents becomes increasingly important. However, relational database systems co...
Hui Zhang 0003, Frank Wm. Tompa
SIGMOD
2008
ACM
127views Database» more  SIGMOD 2008»
13 years 8 months ago
Minimization of tree pattern queries with constraints
Tree pattern queries (TPQs) provide a natural and easy formalism to query tree-structured XML data, and the efficient processing of such queries has attracted a lot of attention. ...
Ding Chen, Chee Yong Chan
DOLAP
1999
ACM
14 years 1 months ago
Design and Selection of Materialized Views in a Data Warehousing Environment: A Case Study
In this paper, we describe the design of a data warehousing system for an engineering company ‘R’. This system aims to assist users in retrieving data for business analysis in...
Goretti K. Y. Chan, Qing Li, Ling Feng
GIS
2003
ACM
14 years 10 months ago
The internet spatial spreadsheet: enabling remote visualization of dynamic spatial data and ongoing query results over a network
Moving object databases store and process data for objects that change location frequently. Materialized views maintained over time must be updated to reflect changes due to the m...
Glenn S. Iwerks, Hanan Samet
SIGMOD
2007
ACM
176views Database» more  SIGMOD 2007»
14 years 9 months ago
URank: formulation and efficient evaluation of top-k queries in uncertain databases
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between query scores and data uncertainty ma...
Mohamed A. Soliman, Ihab F. Ilyas, Kevin Chen-Chua...